britax one for life vs graco 4ever dlx Graco 4Ever DLX 4-in-1 Car Seat

Graco 4Ever DLX 4-in-1 Car Seat gives you 10 years of use with 1 car seat! The 4Ever you know and love features a RapidRemove cover, an integrated belt lock-off for easy installation and rubberized Fuss Free harness storage for extra accessibility. It is comfortable for your child and convenient for you as it transitions from a rear-facing harness (4–40 lb) to forward-facing harness (26.5–65 lb) to highback belt-positioning booster (40–100 lb) to backless belt-positioning booster (40–120 lb). The Simply Safe Adjust Harness System and 10-position headrest lets you adjust the harness and headrest together with no rethreading. The 6-position recline keeps your child comfortable, while the InRight LATCH system makes installation easy. It’s the only car seat you'll ever need!

Graco 4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness (4-40 lb), to forward-facing harness (26.5-65 lb), to highback booster (40-100 lb), to backless booster (40-120 lb)
Graco ProtectPlus Engineered to the newest testing standards for side and frontal impact, and beyond, because the safety of your child shouldn’t stop at the standard
No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow
6-position recline keeps your child comfy and helps for a better installation
Graco’s exclusive InRight LATCH provides an easy, one-second attachment with an audible click to help ensure secure installation
Integrated belt lock-off for easy vehicle seat belt installation