Diono Radian 3QXT vs Evenflo Tribute LX

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	Diono Radian 3QXT	Evenflo Tribute LX
Stage	Convertible	Convertible
Narrow (3-across)	✓	✓
Extended rear-facing	✓	–
FAA-approved	✓	✓
Lightweight / travel	–	✓

How they differ

• the Diono Radian 3QXT lists extended rear-facing (a higher rear-facing weight limit, ~40-50 lb); the Evenflo Tribute LX doesn't
• the Evenflo Tribute LX is the lighter, more travel-friendly model

Where to buy

Check the Diono Radian 3QXT price on Amazon →

Check the Evenflo Tribute LX price on Amazon →

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FAQ

What's the difference between the Diono Radian 3QXT and the Evenflo Tribute LX?
The Diono Radian 3QXT is narrow for 3-across, extended rear-facing, FAA-approved for aircraft; the Evenflo Tribute LX is narrow for 3-across, FAA-approved for aircraft, lightweight/travel. Both are convertible car seats.

Which is right for my car and child, the Diono Radian 3QXT or the Evenflo Tribute LX?
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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