10 bestBooster Seat For 4 Year Oldsof April 2026
112M consumers helped this year.
13% off
1

Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion
Graco

9.8
2

BRITAX RÖMER car seat KIDFIX 2 Z LINE, from 4 to 12 Years Old Children, ISOFIX Car Seat, Child from 15 to 36kg (Group 2/3), Midnight Grey
Britax Römer

9.6
3

Maxi-Cosi Tanza Child Seat with ISOFIX, Growing Booster Seat with G-Cell Side Impact Protection, Group 2/3 Car Seat, Can Be Used from Approx. 3.5 - 12 Years, (Approx. 100 - 150 cm), Grey
Maxi-Cosi

9.4
4

Maxi-Cosi Kore i-Size High Back Booster Seat, 3.5 - 12 years, 100 - 150 cm, ISOFIX Car Seat, Adjustable Height/Width, Side Protection System Plus, Quick & Easy Buckle Up, Authentic Graphite
Maxi-Cosi

9.2
5

Maxi-Cosi Titan i-Size, Multi-Age Child Car Seat, 15 Months-12 Years, 76-150 cm, ISOFIX Car Seat, G-CELL Side Impact Protection, 5 Recline Positions, Adjustable Headrest, Basic Black
Maxi-Cosi

8.9
OtherUp to 17% off
6

Graco Eldura R129 Harness Booster (76-145cm - 15 Months to Approx. 12 Years). Harness mode from 15 months to approx. 4 Yrs (76-105cm), Highback mode from approx. 3.5 to 12 yrs (105-145cm), Midnight
Graco

8.7
37% off
7

Maxi-Cosi RodiFix AirProtect High Back Booster Seat, 15 - 36 kg, 3.5 - 12 Years, Reclining ISOFIX Car Seat, Adjustable Headrest/Backrest, Extra Side Protection, Quick & Easy Buckle-up, Authentic Black
Maxi-Cosi

8.4
18% off
8

Graco Energi i-Size R129 ISOFIX/Top Tether Harness Booster 76-150cm (15 Months to Approx.. 12 yrs). Harness Mode 76-105cm (15 Months to 4 yrs), Highback Booster Mode 100-150cm (3.5 to 12 yrs), Meteor
Graco

8.2
9

Jovikids I-Size Booster Seat for Car with ISOFIX, 125-150cm (Group 2/3, 6-12 Years), Portable Car Seats for Kids, Comfortable, Compact, Convenient for Everyday Use, Great for Travel, ECE R129, Black
Jovikids

7.9
20% off
10

Maxi-Cosi RodiFix M i-Size, High Back Booster Seat, 3.5 - 12 years, 100 - 150cm, Kids Car Seat, G-CELL Side Impact Protection, Adjustable Height, Quick & Easy Buckle Up, ISOFIX Car Seat, Basic Black
Maxi-Cosi

7.6
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