SeatFitFindercar seats, by spec

Diono Monterey 4DXT vs Chicco GoFit Plus

Both are booster 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.

SpecDiono Monterey 4DXTChicco GoFit Plus
StageBoosterBooster
Narrow (3-across)
Extended rear-facing
FAA-approved
Lightweight / travel

How they differ

Where to buy

Check the Diono Monterey 4DXT price on Amazon →

Check the Chicco GoFit Plus price on Amazon →

As an Amazon Associate we earn from qualifying purchases, at no extra cost to you. Affiliate links never affect our specs or which seats we compare.

FAQ

What's the difference between the Diono Monterey 4DXT and the Chicco GoFit Plus?
The Diono Monterey 4DXT is narrow for 3-across; the Chicco GoFit Plus is lightweight/travel. Both are booster car seats.

Which fits three across, the Diono Monterey 4DXT or the Chicco GoFit Plus?
The Diono Monterey 4DXT is listed narrow (~≤17″) for 3-across; the Chicco GoFit Plus isn't. Three-across fit still depends on your exact vehicle — confirm before buying.

Which is right for my car and child, the Diono Monterey 4DXT or the Chicco GoFit Plus?
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.

More booster comparisons: Graco TurboBooster 2.0 vs Clek Oobr · Graco TurboBooster 2.0 vs Diono Monterey 4DXT · Chicco KidFit ClearTex Plus vs Clek Oobr · Chicco KidFit ClearTex Plus vs Diono Monterey 4DXT · all booster seats · all comparisons