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From bedtime to bathtime, the Maxi-Cosi Onyx packs 127 specs & features that matter. Especially handy ones like general information, dimensions & weight, design & aesthetics & fabric & materials.
A fast snapshot of the Maxi-Cosi Onyx, covering its standout specification and what you can expect right out of the box.
Maxi-Cosi Onyx
The Maxi-Cosi Onyx functions as a forward-facing seat that evolves from a harness system to a booster. This seat meets i-Size safety standards to ensure robust protection at all growth stages. Five recline positions are available to keep the child relaxed during long trips. The harness stores away neatly within the seat when converting to booster mode.
Specifications & Facts
127
Specs measured. Drama avoided.
Parent-tested, community-reviewed. This is how the Maxi-Cosi Onyx car seat scores on essentials — specs, performance, and real pros and cons.
General Information
15
Maxi-Cosi Onyx
Weight Range Suitability
What weight range does it support?
75
Maxi-Cosi Onyx
0
Votes
20–79 lbs
41
Car Seats in this range
0–79.4 lbs
Maxi-Cosi Onyx
The weight range suitability accommodates children weighing from 20 to 79 lbs (9.1 to 35.8 kg), covering toddlers up to older children requiring booster seats.
Shows the safe weight range supported by the seat.
When it comes to Weight Range Suitability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
34 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Weight Range Suitability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Model Name
What is the model name?
63
Maxi-Cosi Onyx
0
Votes
Onyx
42
Car Seats in this range
Revolve180 LiteMax NXT
Maxi-Cosi Onyx
The model name of the car seat is Onyx.
Identifies the specific model or version of the car seat.
When it comes to Model Name,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Name on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Model Number
What is the model number?
77
Maxi-Cosi Onyx
0
Votes
8156122110
34
Car Seats in this range
07079561970070
Maxi-Cosi Onyx
The model number for this car seat is 8156122110, useful for identifying it in product databases and for customer support.
Identifies the specific model or version of the car seat.
When it comes to Model Number,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
43 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Model Number on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Product Type
What type of car seat is it?
54
Maxi-Cosi Onyx
0
Votes
Booster Car Seat
34
Car Seats in this range
Convertible Car Seat
Defines the main classification of the car seat.
When it comes to Product Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Age Range Suitability
What is the age range suitability?
84
Maxi-Cosi Onyx
0
Votes
15 Months – 12 Years
33
Car Seats in this range
Birth – 12 Years
Indicates the recommended age suitability of the child.
When it comes to Age Range Suitability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
51 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Age Range Suitability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Height Range Suitability
What height range does it support?
63
Maxi-Cosi Onyx
0
Votes
30–59 inch
41
Car Seats in this range
Up to 32 inch
Defines child height range that fits safely in the seat.
When it comes to Height Range Suitability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
22 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Height Range Suitability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seating Capacity
How many children can it seat?
99
Maxi-Cosi Onyx
0
Votes
1 Child
59
Car Seats in this range
1 Child
Shows how many children the seat can accommodate.
When it comes to Seating Capacity,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Seating Capacity on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Warranty Period
How long is the warranty period?
34
Maxi-Cosi Onyx
0
Votes
24 Months
14
Car Seats in this range
24 Months
Specifies warranty length for defects and issues.
When it comes to Warranty Period,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Period on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Target Market
What market is it targeted for?
94
Maxi-Cosi Onyx
0
Votes
Global
54
Car Seats in this range
Global
Indicates intended sales regionmarket.
When it comes to Target Market,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Target Market on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Release Year
What is the release year?
94
Maxi-Cosi Onyx
0
Votes
2024
38
Car Seats in this range
2023
States the year of product launch or update.
When it comes to Release Year,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
56 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Release Year on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Country of Manufacture
Where is it manufactured?
39
Maxi-Cosi Onyx
0
Votes
China
32
Car Seats in this range
China
Identifies the country where the seat is produced.
When it comes to Country of Manufacture,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
7 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Country of Manufacture on Maxi-Cosi Onyx
◉ and help others decide!
Specifies the seating style and intended configuration.
When it comes to Car Seat Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Car Seat Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Facing Direction
What is the orientation?
49
Maxi-Cosi Onyx
0
Votes
Forward-Facing
41
Car Seats in this range
Rear and Forward-Facing
States whether seat is rear-facing, forward-facing, or convertible.
When it comes to Facing Direction,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Facing Direction on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Certification Approval Standard
Which certification does it meet?
89
Maxi-Cosi Onyx
0
Votes
ECE R129 i-Size
40
Car Seats in this range
ECE R129 i-Size
Shows compliance with child safety standards.
When it comes to Certification Approval Standard,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Certification Approval Standard on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Product Lifecycle Stage
What is the product lifecycle stage?
79
Maxi-Cosi Onyx
0
Votes
Current
46
Car Seats in this range
Current
Shows whether the model is active, new, or discontinued.
When it comes to Product Lifecycle Stage,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Lifecycle Stage on Maxi-Cosi Onyx
◉ and help others decide!
Dimensions & Weight
5
Maxi-Cosi Onyx
Product Length
What is the product length?
21
inch
0Votes
22.55
inch (Average)
Maxi-Cosi Onyx
The product width is 17.3 inches, which converts to 43.9 cm. This width impacts compatibility with car interiors and door clearance during installation.
Total length of the seat when fully assembled.
When it comes to Product Length,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
1.6 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Length on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Product Height
What is the product height?
23.6
inch
0Votes
24.9
inch (Average)
Maxi-Cosi Onyx
The product height is 23.6 inches, or 60.0 cm, supporting adequate head and back coverage for children as they use the seat.
Overall height of the car seat.
When it comes to Product Height,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
, delivering
equal
1.3 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Height on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Product Weight
What is the product weight?
24.3
lbs
0Votes
19.42
lbs (Average)
Maxi-Cosi Onyx
The product weighs 24.3 lbs, which is approximately 11.0 kg. This weight is typical for a high-back booster seat offering sturdy construction and safety features.
The weight of the car seat itself.
When it comes to Product Weight,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
, delivering
equal
4.9 lbs
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Weight on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Child Height Limit
What is the child height limit?
59
inch
0Votes
49.19
inch (Average)
Maxi-Cosi Onyx
The child height limit is 59 inches, or 150 cm, accommodating children up to about 12 years old.
Maximum child height the seat can support.
When it comes to Child Height Limit,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
9.8 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Child Height Limit on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Product Width
What is the product width?
17.3
inch
0Votes
18.25
inch (Average)
Total width across the car seat.
When it comes to Product Width,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
1.0 inch
measurement.
Don’t keep it to yourself — be the first to react and review the
Product Width on Maxi-Cosi Onyx
◉ and help others decide!
Design & Aesthetics
9
Maxi-Cosi Onyx
Handle Design
What is the handle design?
69
Maxi-Cosi Onyx
0
Votes
Integrated
48
Car Seats in this range
Integrated
Maxi-Cosi Onyx
The handle design is integrated, providing a seamless and ergonomic grip that blends into the car seat's structure for ease of carrying and adjustment.
Design style of carrying handle.
When it comes to Handle Design,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
21 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Handle Design on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Color Options
What color options are available?
21
Maxi-Cosi Onyx
0
Votes
Gray
16
Car Seats in this range
Black, Gray
Available color variations.
When it comes to Color Options,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
5 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Color Options on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Pattern/Print Options
What patternprint options are offered?
19
Maxi-Cosi Onyx
0
Votes
Solid
11
Car Seats in this range
Solid
Available seat patterns or prints.
When it comes to Pattern/Print Options,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Pattern/Print Options on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Design Theme
What is the design theme?
79
Maxi-Cosi Onyx
0
Votes
Modern
52
Car Seats in this range
Modern
General design aesthetic of the seat.
When it comes to Design Theme,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
27 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Design Theme on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Texture Finish
What is the texture finish?
74
Maxi-Cosi Onyx
0
Votes
Matte,Smooth
35
Car Seats in this range
Matte
Type of surface texture finish.
When it comes to Texture Finish,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Texture Finish on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Stitching Style
What stitching style is used?
49
Maxi-Cosi Onyx
0
Votes
Standard
20
Car Seats in this range
Standard
The visible stitching style used.
When it comes to Stitching Style,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
29 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Stitching Style on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Logo Brand Placement
Where is the logo placed?
62
Maxi-Cosi Onyx
0
Votes
Headrest, Base
36
Car Seats in this range
Headrest
Where the brand logo is placed.
When it comes to Logo Brand Placement,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
26 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Logo Brand Placement on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Premium Edition Version
Is there a premium edition?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if a premium edition is available.
When it comes to Premium Edition Version,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Premium Edition Version on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seasonal Style Variants
Are seasonal style variants offered?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Special edition variants released seasonally.
When it comes to Seasonal Style Variants,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Seasonal Style Variants on Maxi-Cosi Onyx
◉ and help others decide!
Fabric & Materials
11
Maxi-Cosi Onyx
Removable Cover
Is the cover removable?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The cover is removable, which makes cleaning easier and more thorough compared to fixed covers.
Indicates whether the seat cover can be removed.
When it comes to Removable Cover,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Removable Cover on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Washable Cover
Is the cover washable?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The cover is washable, which helps maintain hygiene and extends the seat’s usability by enabling easy cleaning.
Specifies if the cover is washable.
When it comes to Washable Cover,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Washable Cover on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Machine Wash Safe
Is the cover machine-wash safe?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Machine wash safe covers add convenience for cleaning, allowing the cover to be washed in a standard washing machine without damage.
Indicates if cover is safe for machine washing.
When it comes to Machine Wash Safe,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Machine Wash Safe on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Hand Wash Recommended
Is hand wash recommended?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Hand wash is not recommended, indicating that cleaning should be done by machine wash or other specified methods.
Whether hand washing is recommended for longevity.
When it comes to Hand Wash Recommended,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Hand Wash Recommended on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Flame Retardant Fabric
Does it have flame retardant fabric?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The fabric is flame retardant, providing added safety by resisting ignition and reducing fire risk.
Shows if flame retardant fabric is used.
When it comes to Flame Retardant Fabric,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
52 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Flame Retardant Fabric on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Eco-Friendly Materials
Does it use eco-friendly materials?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
This car seat is made with eco-friendly materials, ensuring an environmentally conscious choice for families seeking sustainable products.
Confirms if materials are sustainable or recycled.
When it comes to Eco-Friendly Materials,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
53 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Eco-Friendly Materials on Maxi-Cosi Onyx
◉ and help others decide!
When it comes to Padding Material Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
20 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Padding Material Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Hypoallergenic Properties
Is the fabric hypoallergenic?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates whether the fabric is hypoallergenic.
When it comes to Hypoallergenic Properties,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Hypoallergenic Properties on Maxi-Cosi Onyx
◉ and help others decide!
Comfort & Convenience
16
Maxi-Cosi Onyx
Fabric Material
What fabric type is used?
69
Maxi-Cosi Onyx
0
Votes
Polyester
41
Car Seats in this range
Polyester
Maxi-Cosi Onyx
The seat fabric material is polyester, a durable and easy-to-clean fabric commonly used in car seats for its resilience and comfort.
Type of fabric used in the seat covering.
When it comes to Fabric Material,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
28 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Fabric Material on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Ergonomic Design Features
Does it have ergonomic features?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Ergonomic design features contribute to increased comfort for the child and more intuitive adjustments for the caregiver.
Special ergonomic shaping for posture and comfort.
When it comes to Ergonomic Design Features,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Ergonomic Design Features on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seat Contour Type
What seat contour type is it?
99
Maxi-Cosi Onyx
0
Votes
Bucket
50
Car Seats in this range
Bucket
Maxi-Cosi Onyx
The seat features a bucket contour type, which helps in providing additional lateral support and comfort for the child during rides.
Shape of the seat design for child positioning.
When it comes to Seat Contour Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
49 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Seat Contour Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Breathable Mesh Panels
Does it have breathable mesh panels?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Presence of mesh areas for airflow.
When it comes to Breathable Mesh Panels,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Breathable Mesh Panels on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Ventilation System
Does it have a ventilation system?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Integrated ventilation to regulate temperature.
When it comes to Ventilation System,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Ventilation System on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Headrest Cushion
Does it have a headrest cushion?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Extra cushioning in headrest area for comfort.
When it comes to Headrest Cushion,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Headrest Cushion on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Lumbar Support
Does it have lumbar support?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Padding or structure to support child’s lower back.
When it comes to Lumbar Support,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Lumbar Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Armrest Presence
Does it have armrests?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if the seat has built-in armrests.
When it comes to Armrest Presence,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Armrest Presence on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Leg Rest Foot Support
Does it have legfoot support?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Provides leg or footrest to reduce fatigue.
When it comes to Leg Rest Foot Support,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Leg Rest Foot Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Reclining Function Range
What is the reclining function range?
49
Maxi-Cosi Onyx
0
Votes
5 positions
14
Car Seats in this range
Fixed
Range of recline angles for comfort.
When it comes to Reclining Function Range,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
35 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Reclining Function Range on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Infant Insert Included
Is an infant insert included?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Removable padding for newborns.
When it comes to Infant Insert Included,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Infant Insert Included on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Toddler Insert Included
Is a toddler insert included?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Extra insert for toddlers transitioning from infant stage.
When it comes to Toddler Insert Included,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Toddler Insert Included on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Sleeping Position Support
Does it support sleeping position?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Designed for safe, comfortable sleeping.
When it comes to Sleeping Position Support,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Sleeping Position Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Adjustable Shoulder Straps
Are the shoulder straps adjustable?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether shoulder straps can be adjusted easily.
When it comes to Adjustable Shoulder Straps,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Adjustable Shoulder Straps on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seat Depth Adjustability
Can the seat depth be adjusted?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Ability to adjust depth for growing children.
When it comes to Seat Depth Adjustability,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Seat Depth Adjustability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Head Support Adjustability
Is the head support adjustable?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Allows head support to move with child growth.
When it comes to Head Support Adjustability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Head Support Adjustability on Maxi-Cosi Onyx
◉ and help others decide!
Adjustability & Features
14
Maxi-Cosi Onyx
Recline Positions Count
How many recline positions are there?
46
Maxi-Cosi Onyx
0
Votes
5
18
Car Seats in this range
4
Maxi-Cosi Onyx
The seat offers 5 recline positions allowing adjustments to suit the child's comfort and better accommodate vehicle seat angles.
Number of recline positions offered.
When it comes to Recline Positions Count,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
28 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Recline Positions Count on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Harness Height Adjustment Levels
How many harness height adjustments are available?
47
Maxi-Cosi Onyx
0
Votes
13
24
Car Seats in this range
10
Maxi-Cosi Onyx
There are 13 harness height adjustment levels, enabling precise fit as the child grows, enhancing safety and comfort.
Number of vertical positions for harness straps.
When it comes to Harness Height Adjustment Levels,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
23 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Harness Height Adjustment Levels on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Adjustable Headrest Positions
How many headrest positions does it have?
49
Maxi-Cosi Onyx
0
Votes
10
27
Car Seats in this range
10
Maxi-Cosi Onyx
The adjustable headrest offers 10 position settings for personalized comfort and safety enhancement.
Number of headrest positions available.
When it comes to Adjustable Headrest Positions,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
22 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Adjustable Headrest Positions on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Multi-Stage Use
Can it be used as a convertible seat?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Multi-stage use allows the car seat to adapt through different growth stages of the child, extending the seat’s utility.
Whether the seat adapts across infant, toddler, and booster stages.
When it comes to Multi-Stage Use,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
43 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Multi-Stage Use on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Rear-to-Forward Transition Feature
Does it support rear-to-forward transition?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The seat does not include a rear-to-forward transition feature, so switching directional orientation may require additional steps.
Shows if the seat allows easy switch from rear to forward facing.
When it comes to Rear-to-Forward Transition Feature,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Rear-to-Forward Transition Feature on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
One-Hand Adjustment
Can it be adjusted with one hand?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
One-hand adjustment capability allows caregivers to easily modify the seat settings with a single hand, simplifying operation and improving user experience.
Adjustments that can be made with one hand.
When it comes to One-Hand Adjustment,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
One-Hand Adjustment on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Adjustable Leg Support
Does it have adjustable leg support?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if leg support can be extended or repositioned.
When it comes to Adjustable Leg Support,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Adjustable Leg Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Booster Mode Support
Can it be used as a booster?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if seat can convert into booster mode.
When it comes to Booster Mode Support,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
48 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Booster Mode Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seat Belt Guide
Does it include a seat belt guide?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Helps position seat belt properly in booster mode.
When it comes to Seat Belt Guide,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Seat Belt Guide on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Storage Pocket
Does it have storage pockets?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates presence of small storage compartments.
When it comes to Storage Pocket,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
53 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Storage Pocket on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Integrated Sunshade Canopy
Does it have a sunshade or canopy?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Built-in sunshade for added protection.
When it comes to Integrated Sunshade Canopy,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Integrated Sunshade Canopy on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Quick-Release Mechanism
Does it have a quick-release mechanism?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Mechanism to quickly remove or detach the seat.
When it comes to Quick-Release Mechanism,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Quick-Release Mechanism on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Extendable Seat Base
Does it have an extendable base?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Base can be extended for more legroom.
When it comes to Extendable Seat Base,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Extendable Seat Base on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Shoulder Width Adjustment
Does it allow shoulder width adjustment?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Ability to widennarrow shoulder area for comfort.
When it comes to Shoulder Width Adjustment,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Shoulder Width Adjustment on Maxi-Cosi Onyx
◉ and help others decide!
Safety & Protection
16
Maxi-Cosi Onyx
Side Impact Protection
Does it have side impact protection?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Side impact protection is incorporated to provide additional safety by absorbing and distributing forces during side collisions.
Indicates presence of padding or technology against side collisions.
When it comes to Side Impact Protection,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Side Impact Protection on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Steel Reinforced Frame
Does it have a steel reinforced frame?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The steel reinforced frame delivers superior structural strength, increasing durability and impact protection.
Steel in the frame increases durability and crash safety.
When it comes to Steel Reinforced Frame,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
44 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Steel Reinforced Frame on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Five-Point Harness
Does it use a five-point harness?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
A five-point harness system is included, which ensures the child is securely restrained at five critical points for maximal safety.
Shows if the seat uses a five-point harness system.
When it comes to Five-Point Harness,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Five-Point Harness on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
No-Rethread Harness
Does it have a no-rethread harness?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
No-rethread harness means that the harness can be adjusted for height without unthreading, simplifying adjustments and maintaining safety.
Harness adjusts without rethreading straps manually.
When it comes to No-Rethread Harness,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
No-Rethread Harness on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Headrest Adjustment Levels
How many headrest adjustment levels are there?
69
Maxi-Cosi Onyx
0
Votes
10
32
Car Seats in this range
10
Maxi-Cosi Onyx
There are 10 headrest adjustment levels, providing customizable support and growth accommodation for the child.
Number of positions for adjusting the headrest.
When it comes to Headrest Adjustment Levels,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Headrest Adjustment Levels on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Crash Test Certification
What crash test certifications does it hold?
69
Maxi-Cosi Onyx
0
Votes
UN R129
35
Car Seats in this range
UN R129
Maxi-Cosi Onyx
The car seat meets the UN R129 crash test certification, indicating compliance with the latest European safety standards for child restraints.
Indicates which crash test programs the seat passed.
When it comes to Crash Test Certification,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
34 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Crash Test Certification on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Safety Indicators
Does it have safety indicators?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
No safety indicators are present, so caregivers need to rely on manual checks for proper installation and usage.
Shows if the seat includes built-in safety status indicators.
When it comes to Safety Indicators,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Safety Indicators on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Impact-absorbing Base
Does it have an impact-absorbing base?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
An impact-absorbing base enhances safety by mitigating forces during collisions, providing extra protection to the child.
Base designed to dissipate crash forces.
When it comes to Impact-absorbing Base,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Impact-absorbing Base on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Emergency Release Mechanism
Does it have an emergency release?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
An emergency release mechanism is included, allowing quick disengagement of the seat in urgent situations for enhanced safety.
Feature that allows quick release in emergencies.
When it comes to Emergency Release Mechanism,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
46 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Emergency Release Mechanism on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Airbag Compatibility Warning
Does it provide airbag warnings?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Airbag compatibility warnings are provided to ensure safe usage in vehicles equipped with airbags, avoiding potential hazards.
Alerts whether seat should not be used with active airbags.
When it comes to Airbag Compatibility Warning,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
38 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Airbag Compatibility Warning on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Energy-Absorbing Foam
Does it use energy-absorbing foam?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Presence of EPS or EPP foam to absorb crash forces.
When it comes to Energy-Absorbing Foam,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Energy-Absorbing Foam on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Three-Point Harness
Does it use a three-point harness?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if a simpler three-point harness is used.
When it comes to Three-Point Harness,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Three-Point Harness on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Harness Adjustment Type
What type of harness adjustment does it have?
84
Maxi-Cosi Onyx
0
Votes
One-Pull
41
Car Seats in this range
Manual
Method of adjusting harness tightnessheight.
When it comes to Harness Adjustment Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
43 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Harness Adjustment Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Anti-Rebound Protection
Does it have anti-rebound protection?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Feature that limits rebound motion in crash.
When it comes to Anti-Rebound Protection,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Rebound Protection on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Extended Rear-Facing Capability
Does it support extended rear-facing use?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Allows children to remain rear-facing beyond standard limits.
When it comes to Extended Rear-Facing Capability,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Extended Rear-Facing Capability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Rollover Tested
Has it been rollover tested?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if the seat has passed rollover crash tests.
When it comes to Rollover Tested,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Rollover Tested on Maxi-Cosi Onyx
◉ and help others decide!
Installation & Compatibility
15
Maxi-Cosi Onyx
Vehicle Compatibility
What vehicles is it compatible with?
79
Maxi-Cosi Onyx
0
Votes
Car, SUV, Truck, Van
46
Car Seats in this range
Car, SUV, Truck, Van
Maxi-Cosi Onyx
Vehicle compatibility includes cars, SUVs, trucks, and vans, ensuring versatile use across most common vehicle types.
Shows what type of vehicles the seat fits into.
When it comes to Vehicle Compatibility,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
33 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Vehicle Compatibility on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Base Included
Is a base included?
99
Maxi-Cosi Onyx
0
Votes
Yes
41
Car Seats in this range
Yes
Maxi-Cosi Onyx
The included base ensures easy and secure installation in the vehicle.
Whether the base is provided with the product.
When it comes to Base Included,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
58 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Base Included on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Tether Type
What tether type is used?
89
Maxi-Cosi Onyx
0
Votes
Top Tether
45
Car Seats in this range
Top Tether
Maxi-Cosi Onyx
The tether type is a top tether, which anchors the seat to the vehicle structure and increases stability.
Specifies type of tether used for added safety.
When it comes to Tether Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
44 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Tether Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Installation Difficulty Rating
What is the installation difficulty rating?
99
Maxi-Cosi Onyx
0
Votes
Easy
53
Car Seats in this range
Easy
Maxi-Cosi Onyx
Installation difficulty is rated easy, indicating that caregivers can set up the seat with minimal effort or professional help.
Relative ease of installation (e.g., 1–5 rating).
When it comes to Installation Difficulty Rating,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
46 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Installation Difficulty Rating on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Quick Installation Features
Does it have quick installation features?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Quick installation features reduce setup time and improve user confidence in correct seat placement.
Indicates presence of fast-install mechanisms.
When it comes to Quick Installation Features,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Quick Installation Features on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Installation Method
What installation methods are supported?
52
Maxi-Cosi Onyx
0
Votes
ISOFIX, Seat Belt
27
Car Seats in this range
Seat Belt, LATCH
Indicates which systems can be used to secure the car seat.
When it comes to Installation Method,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
25 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Installation Method on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Base Compatibility
What type of base compatibility does it have?
0
Maxi-Cosi Onyx
0
Votes
Fixed
39
Car Seats in this range
Fixed
Defines whether the seat works with detachable or fixed base.
When it comes to Base Compatibility,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
, delivering
equal
39 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Base Compatibility on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Rotation Swivel Function
Does it have swivel function?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether the seat can rotateswivel for easier access.
When it comes to Rotation Swivel Function,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Rotation Swivel Function on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Load Leg Support
Does it have load leg support?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if a load leg is provided for extra stability.
When it comes to Load Leg Support,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Load Leg Support on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Anti-Rebound Bar
Does it have an anti-rebound bar?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Shows if an anti-rebound bar is included.
When it comes to Anti-Rebound Bar,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Anti-Rebound Bar on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Belt Lock-off System
Does it have a belt lock-off system?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Presence of a mechanism to lock vehicle belt.
When it comes to Belt Lock-off System,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Belt Lock-off System on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Built-in Level Indicator
Does it have a level indicator?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Shows if the seat has a leveling indicator.
When it comes to Built-in Level Indicator,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Built-in Level Indicator on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Compatibility with Travel System
Is it compatible with travel systems?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether the seat can attach to a stroller system.
When it comes to Compatibility with Travel System,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Compatibility with Travel System on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
FAA Aircraft Approval
Is it FAA approved?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates approval for use in airplanes.
When it comes to FAA Aircraft Approval,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
FAA Aircraft Approval on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Instruction Label Clarity
How clear are the instruction labels?
99
Maxi-Cosi Onyx
0
Votes
Clear
59
Car Seats in this range
Clear
Rates clarity of on-seat instruction labels.
When it comes to Instruction Label Clarity,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
40 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Instruction Label Clarity on Maxi-Cosi Onyx
◉ and help others decide!
Maintenance & Care
5
Maxi-Cosi Onyx
Detachable Fabric Parts
Are the fabric parts detachable?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Detachable fabric parts facilitate cleaning and maintenance, improving hygiene and ease of care.
Shows if fabric components can be removed.
When it comes to Detachable Fabric Parts,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Detachable Fabric Parts on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Machine Wash Temperature Limit
What is the machine wash temperature limit?
86
°F
0Votes
85.45
°F (Average)
Maxi-Cosi Onyx
The machine wash temperature limit is 86 °F, approximately 30 °C, suggesting gentle washing settings to protect fabric integrity.
Maximum temperature safe for machine washing.
When it comes to Machine Wash Temperature Limit,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
0.6 °F
measurement.
Don’t keep it to yourself — be the first to react and review the
Machine Wash Temperature Limit on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Spot Clean Only Areas
Are there spot-clean only areas?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Certain areas of the car seat should be spot cleaned only, which helps preserve materials that might degrade with full washing.
Areas that must be cleaned by spot cleaning only.
When it comes to Spot Clean Only Areas,
Maxi-Cosi Onyx ◉ is
same as
Car Seat in this range ◉
, delivering
equal
12 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Spot Clean Only Areas on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Replacement Part Availability
Are replacement parts available?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Replacement parts are available, facilitating maintenance and extending the car seat's usable life.
Indicates if replacement parts are available.
When it comes to Replacement Part Availability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
36 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Replacement Part Availability on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Maintenance Tools Required
Are tools required for maintenance?
99
Maxi-Cosi Onyx
0
Votes
None
54
Car Seats in this range
None
Indicates if any tools are needed for maintenance.
When it comes to Maintenance Tools Required,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
45 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Maintenance Tools Required on Maxi-Cosi Onyx
◉ and help others decide!
Packaging & Shipping
5
Maxi-Cosi Onyx
Packaging Type
What type of packaging is used?
84
Maxi-Cosi Onyx
0
Votes
Recyclable
22
Car Seats in this range
Standard
Maxi-Cosi Onyx
Packaging is made from recyclable materials, supporting environmental sustainability efforts.
Type of packaging material used.
When it comes to Packaging Type,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
62 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Packaging Type on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Instruction Manual Included
Is the manual included?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
An instruction manual is included to assist caregivers in correct installation and use, enhancing safety and usability.
States if an instruction manual is included.
When it comes to Instruction Manual Included,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
37 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Instruction Manual Included on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Number of Boxes
How many boxes are included?
49
Maxi-Cosi Onyx
0
Votes
1
4
Car Seats in this range
1
Total number of boxes shipped for the product.
When it comes to Number of Boxes,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
45 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Number of Boxes on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Assembly Required
Is assembly required?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether the product requires assembly after unboxing.
When it comes to Assembly Required,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Assembly Required on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Tools Included
Are tools included?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if necessary tools are included.
When it comes to Tools Included,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Tools Included on Maxi-Cosi Onyx
◉ and help others decide!
Policies & Warranty
5
Maxi-Cosi Onyx
Extended Warranty Option
Is an extended warranty option available?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
An extended warranty option is available, offering additional coverage beyond the standard warranty period for peace of mind.
Whether extended warranty is available.
When it comes to Extended Warranty Option,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
54 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Extended Warranty Option on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Registration Required for Warranty
Is registration required for warranty?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
Registration is required for warranty coverage, ensuring the customer benefits from service and support.
Shows if product registration is needed for warranty.
When it comes to Registration Required for Warranty,
Maxi-Cosi Onyx ◉ is
same as
Car Seat in this range ◉
, delivering
equal
17 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Registration Required for Warranty on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Replacement Seat Program (post-accident)
Is there a post-accident replacement program?
Yes
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Maxi-Cosi Onyx
The car seat offers a replacement seat program following an accident, ensuring continued safety compliance without purchasing a full new seat.
Whether a replacement seat is offered after an accident.
When it comes to Replacement Seat Program (post-accident),
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
45 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Replacement Seat Program (post-accident) on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Warranty Coverage Scope
What does the warranty cover?
19
Maxi-Cosi Onyx
0
Votes
Limited
15
Car Seats in this range
Limited
Defines what the warranty covers.
When it comes to Warranty Coverage Scope,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
4 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Warranty Coverage Scope on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Customer Support Availability
When is customer support available?
49
Maxi-Cosi Onyx
0
Votes
Business Hours Only
33
Car Seats in this range
Business Hours Only
Level of customer support provided.
When it comes to Customer Support Availability,
Maxi-Cosi Onyx ◉ is
better than
Car Seat in this range ◉
, delivering
higher
16 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Customer Support Availability on Maxi-Cosi Onyx
◉ and help others decide!
Accessories & Add-ons
11
Maxi-Cosi Onyx
Travel Bag Compatibility
Is it compatible with travel bags?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Shows if the seat can fit into a travelstorage bag.
When it comes to Travel Bag Compatibility,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Travel Bag Compatibility on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Storage Compartments
Does it have storage compartments?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether the seat includes compartments for small items.
When it comes to Storage Compartments,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Storage Compartments on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Cup Holder
Does it include a cup holder?
0
Maxi-Cosi Onyx
0
Votes
No
27
Car Seats in this range
No
States if the car seat comes with a cup holder.
When it comes to Cup Holder,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
, delivering
equal
27 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Cup Holder on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Snack Tray
Does it include a snack tray?
0
Maxi-Cosi Onyx
0
Votes
No
8
Car Seats in this range
No
Shows if a snack tray is provided.
When it comes to Snack Tray,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
, delivering
equal
8 score
measurement.
Don’t keep it to yourself — be the first to react and review the
Snack Tray on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Carrying Handle
Does it have a carrying handle?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if the seat has a handle for carrying.
When it comes to Carrying Handle,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Carrying Handle on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Rain Cover Compatibility
Is it compatible with a rain cover?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether the seat can be fitted with a rain cover.
When it comes to Rain Cover Compatibility,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Rain Cover Compatibility on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Mosquito Net Compatibility
Is it compatible with mosquito nets?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if a mosquito net can be attached.
When it comes to Mosquito Net Compatibility,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Mosquito Net Compatibility on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Toy Attachment Option
Does it allow toy attachment?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Shows if toys can be attached for child entertainment.
When it comes to Toy Attachment Option,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Toy Attachment Option on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Seat Protector Mat
Is a seat protector mat included?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Whether a mat is included to protect the vehicle seat.
When it comes to Seat Protector Mat,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Seat Protector Mat on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Organizer Pocket
Does it have an organizer pocket?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Extra pocket to keep small essentials organized.
When it comes to Organizer Pocket,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Organizer Pocket on Maxi-Cosi Onyx
◉ and help others decide!
Maxi-Cosi Onyx
Sunshade Extension
Does it include a sunshade extension?
No
0Votes
Maxi-Cosi Onyx
Yes
Car Seats in this range
Indicates if an extendable sunshade is provided.
When it comes to Sunshade Extension,
Maxi-Cosi Onyx ◉ is
worse than
Car Seat in this range ◉
.
Don’t keep it to yourself — be the first to react and review the
Sunshade Extension on Maxi-Cosi Onyx
◉ and help others decide!
Surveys
Because hot takes deserve votes.
Maxi-Cosi Onyx
Comfortness
How comfortable does this car seat feel during use?
Plush and supportive — Maximum comfort
0Votes
Soft and cozy — Very comfortable
0Votes
Decently padded — Feels okay
0Votes
A bit rough — Could be better
0Votes
Hard and stiff — Not comfortable at all
0Votes
Maxi-Cosi Onyx
Ease of Installation
How easy is it to install this car seat securely?
Super simple — Under 5 minutes
0Votes
Quick and easy — 5 to 10 minutes
0Votes
Straightforward — 10 to 20 minutes
0Votes
Tricky but doable — 20 to 30 minutes
0Votes
Frustrating and confusing — Took over 30 minutes
0Votes
Maxi-Cosi Onyx
Weight
How heavy is this car seat to carry and move around?
Ultra-light — Under 15 pounds
0Votes
Lightweight — 15 to 20 pounds
0Votes
Manageable — 20 to 25 pounds
0Votes
Heavy — 25 to 30 pounds
0Votes
Very heavy — Over 30 pounds
0Votes
Maxi-Cosi Onyx
Durability
How durable and long-lasting does this car seat feel?
Built to last — Over 5 years
0Votes
Strong — 3 to 5 years
0Votes
Decent — 2 to 3 years
0Votes
Weak — 1 to 2 years
0Votes
Flimsy — Less than 1 year
0Votes
Maxi-Cosi Onyx
Size and Fit
How well does this car seat fit in a standard vehicle?
Slim and perfect — Under 18 inches wide
0Votes
Compact fit — 18 to 20 inches wide
0Votes
Moderate fit — 20 to 22 inches wide
0Votes
Large fit — 22 to 24 inches wide
0Votes
Way too bulky — Over 24 inches wide
0Votes
Maxi-Cosi Onyx
Ease of Cleaning
How easy is it to clean this car seat after spills or messes?
Super easy — Removable and washable covers
0Votes
Easy clean — Wipes off quickly
0Votes
Average effort — Some parts easy, some not
0Votes
Pretty difficult — Lots of effort required
0Votes
Painful process — Needs deep scrubbing
0Votes
Maxi-Cosi Onyx
Noise Level
How noisy are the straps, buckles, or parts of this car seat during use?
Silent — No noise at all
0Votes
Quiet — Rarely makes noise
0Votes
Average — Some minor sounds
0Votes
Noticeably noisy — Can be distracting
0Votes
Very noisy — Constant squeaks and clicks
0Votes
Maxi-Cosi Onyx
Design Appeal
How attractive does the design of this car seat look?
Sleek and eye-catching
0Votes
Stylish and modern
0Votes
Decent but nothing special
0Votes
Plain and simple
0Votes
Outdated and dull
0Votes
Maxi-Cosi Onyx
Pricing
How would you rate the price of this car seat?
Great value for money
0Votes
Pretty good price
0Votes
Fair deal
0Votes
Kinda pricey
0Votes
Crazy expensive
0Votes
Maxi-Cosi Onyx
Material
How breathable and temperature-friendly is the material of this car seat?
Very breathable — Stays cool even on hot days
0Votes
Comfortable — Minimal heat buildup
0Votes
Average — Warm after long use
0Votes
Hot — Feels sweaty in warm weather
0Votes
Uncomfortable — Traps heat and feels sticky
0Votes
Guides
1
Yes, we brought proof.
Files
1
Maxi-Cosi Onyx - Harness to Booster Conversion Guide
Supermod
Moderator
