6 best3 In 1 Car Seatof November 2025
112M consumers helped this year.
10% off
1
Graco Tranzitions 3-in-1 Harness Booster Seat, Toddler to Big Kid Car Seat from 10-45 kg (22-100lb), Harness/Highback/Backless Booster, Proof
Graco
9.8
2
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear & Forward Facing, 10 Years 1 Car Seat, Slim Design Fits 3 Across, Pink Blossom
Diono
9.6
3
Graco TrioGrow SnugLock 3-in-1 Car Seat Featuring Anti-Rebound Bar, Leland
Graco
9.3
4
Graco Nautilus 65 3-in-1 Harness Booster, Toddler to Big Kid Car Seat from 10-45 kg (22-100lb), Harness/Highback/Backless Booster, Chanson
Graco
9.0
5
Evenflo EveryFit/All4One 3-in-1 Convertible Car Seat (Winston)
Evenflo
8.7
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