Cybex Aton G vs Chicco KeyFit 30

Both are infant car seats — here are their published manufacturer specs side by side.

This compares published manufacturer specs — not safety or fit advice. The seat's manual, your vehicle's manual, NHTSA's tools and a certified CPST are the fit-and-safety authority; always check them before installing.

Spec	Cybex Aton G	Chicco KeyFit 30
Stage	Infant	Infant
Narrow (3-across)	–	✓
Extended rear-facing	–	–
FAA-approved	✓	✓
Lightweight / travel	✓	✓

How they differ

• the Chicco KeyFit 30 is listed narrow (roughly ≤17″) for fitting three across a back seat; the Cybex Aton G isn't listed narrow

Where to buy

Check the Cybex Aton G price on Amazon →

Check the Chicco KeyFit 30 price on Amazon →

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FAQ

What's the difference between the Cybex Aton G and the Chicco KeyFit 30?
The Cybex Aton G is FAA-approved for aircraft, lightweight/travel; the Chicco KeyFit 30 is narrow for 3-across, FAA-approved for aircraft, lightweight/travel. Both are infant car seats.

Which fits three across, the Cybex Aton G or the Chicco KeyFit 30?
The Chicco KeyFit 30 is listed narrow (~≤17″) for 3-across; the Cybex Aton G isn't. Three-across fit still depends on your exact vehicle — confirm before buying.

Which is right for my car and child, the Cybex Aton G or the Chicco KeyFit 30?
That depends on your specific vehicle and child — this page compares published manufacturer specs only, not fit or safety. Check the seat manual, your vehicle manual, NHTSA's car-seat finder and ideally a certified CPST before deciding.

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