Britax Allegiance vs Maxi-Cosi Pria Max

Both are convertible 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	Britax Allegiance	Maxi-Cosi Pria Max
Stage	Convertible	Convertible
Narrow (3-across)	–	–
Extended rear-facing	–	–
FAA-approved	✓	✓
Lightweight / travel	–	–

How they differ

• both list the same documented features for the convertible stage — the choice comes down to brand, price and your vehicle's fit (check both manuals)

Where to buy

Check the Britax Allegiance price on Amazon →

Check the Maxi-Cosi Pria Max price on Amazon →

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FAQ

What's the difference between the Britax Allegiance and the Maxi-Cosi Pria Max?
The Britax Allegiance is FAA-approved for aircraft; the Maxi-Cosi Pria Max is FAA-approved for aircraft. Both are convertible car seats.

Which is right for my car and child, the Britax Allegiance or the Maxi-Cosi Pria Max?
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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