Graco Extend2Fit 3-in-1 Car Seat
4.857,060 ratings
The same extended rear-facing seat, plus a third mode as a highback booster — so one seat covers from the ride home to the school run.
Convertible car seats
Graco Extend2Fit Convertible Car Seat
Best overall
An extension panel gives up to five extra inches of legroom, which is what lets you keep a toddler rear-facing to 50 lbs — the single biggest safety difference you control. Fits from 4 lbs, so it can be the first seat too.
Check price on AmazonOpens Amazon in a new tab, where today's price is always shown. As an Amazon Associate we may earn a commission if you buy — at no extra cost to you, and it never changes our pick.
Best for
Keeping a child rear-facing as long as possible
Good to know
Big and heavy by design. This is the seat that stays installed, not the one you carry into the house.
Quick specs
- Rear-facing
- 4-50 lbs
- Legroom
- Up to 5 in extra, 4 positions
- Forward-facing
- Yes, with harness
More convertible car seats
Also worth your money — where we'd turn if the top pick is sold out or over budget.
Safety 1st Grow and Go All-in-One
4.734,925 ratings
Rear-facing from 5 lbs, forward-facing with a harness, then a booster — the whole span for well under the price of a premium seat, and it's quick to get a tight fit.
1K+ bought in past month on Amazon
Doona Car Seat & Stroller
4.815,378 ratings
This is the one to grab when you don't want to wake a sleeping baby just to get from the car to the sidewalk. It clicks from car seat to stroller with one motion, and it's the only car seat tested and certified as a rear-facing car seat, stroller, and infant carrier.
Diono Radian 3R
4.77,870 ratings
If you need three car seats to fit across one bench seat, this is built for that specific problem, with a slim-fit design meant for zero compromises to safety or space. It also folds down for travel or storage, which none of the bulkier convertible seats can do.
Maxi-Cosi Pria All-in-One
4.65,407 ratings
If you want one seat that takes you from newborn to booster without hunting for a rethreading manual, the Pria's QuikFit headrest and harness adjust with one hand as your child grows. The fabric is made from recycled plastic bottles and skips added fire retardant treatment, and it comes off the seat to go straight in the washing machine.
KidsEmbrace 2-in-1 Bluey Car Seat
4.820,303 ratings
If your child would rather ride with Bluey than anyone else, this seat turns the daily buckle-up battle into something they actually look forward to, while still handling the real safety work with a 5-point harness and a booster mode that carries them through the growing years.
Graco SlimFit 3-in-1 Car Seat
4.916,971 ratings
If you need to fit three seats across or just want more elbow room in the back seat, this one is built slimmer without giving up the stages you need. The cup holders even rotate away to shave off extra width when you need it most.
Baby Trend Cover Me 4-in-1 Car Seat
4.76,610 ratings
This seat covers four modes from rear-facing infant through booster, so you are not buying a new seat every time your kid has a growth spurt. The no rethread harness and integrated headrest also mean fewer fiddly adjustments on a tired morning.
Elsewhere in the registry edit
- Pampers Swaddlers Newborn — our pick in diapers & wipes
- Aquaphor Baby Healing Ointment — our pick in diaper rash cream
- Ingenuity Contoured Changing Pad — our pick in diaper bags & changing pads
Some links are affiliate links — if you buy through one we may earn a small commission at no extra cost to you. It never changes our picks or your price.