Best Car Seats 2024 Newborn Car Seat. The best all in one car seats, extended use convertible car seats for a baby through a kid age 10, including britax one4life, graco 4ever dlx and chicco onefit. Older car seats, before the introduction of isofix, used to rely on the seat belt of the car looping through the child seat to secure it in place.

Best infant car seat and stroller combo: Best affordable infant car seat.