Advertising Disclosure 4 Year Old Car Seat Comparison - May 2026
6 Best 4 Year Old Car Seat In the UK
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant's customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. As an Amazon Associate we may earn from qualifying purchases. We may receive a commission from purchases made through links on our site, which will help us continue to provide you with value.
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| 1 Best Choice  9.9Exceptional | 2  9.6Exceptional | 3 Best Value  9.5Excellent | 4  9.4Excellent | 5  9.3Excellent | 6  9.2Excellent |
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ModelGraco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Stargazer fashion | Model My Babiie MBCS75 Toddler to Booster R129 Child Car Seat - ISOFIX with Top Tether, Harness, 76-150cm (Approx. 9-36kg, 15 Months - 12 Years), i-Size, Group 1/2/3, Adjustable, Forward Facing - Black | Model Kinderkraft JUNIORFIX2 Car Seat for 4-12 Years, I-Size 100-150 cm, Group 2/3, Toddler car seat with Isofix, Adjustable Headrest, Reinforced Side protections, Wide and Comfortable seat, Gray | Model Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (Approx. 3.5 to 12 Years), Hunter Fashion | Model Graco Junior Maxi i-Size R129 Highback Booster car seat with cupholders, Suitable from 100-150cm (approx. 3.5 to 12 years), Midnight fashion | Model Kidoola Adjustable Car Seat for Toddlers & Children - Safety Certified Booster Seat, Padded & Comfortable with 3 Adjustable Age Functions & Straps, Up to 12 Years - ECE R44/04 (Grey & Black) (Grey) |
BrandGraco | Brand My Babiie | Brand Kinderkraft | Brand Graco | Brand Graco | Brand kidoola |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | |||||
maximum weight recommendation36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 40 Kilograms | maximum weight recommendation 36 Kilograms | maximum weight recommendation 15 Kilograms |
product dimensions41 x 60 x 102 cm; 5.24 kg | product dimensions 41 x 41 x 55 cm; 6 kg | product dimensions 41 x 44 x 80 cm 6.3 kg | product dimensions 39 x 45.6 x 81.5 cm; 3.49 kg | product dimensions 53.7 x 40.8 x 81.7 cm; 3.49 kg | product dimensions 48 x 48.4 x 67 cm 5.76 kg |
item weight5.24 kg | item weight 6 kg | item weight 6.3 kg | item weight 3.49 kg | item weight 3.49 kg | item weight 5.76 kg |
batteries requiredNo | batteries required No | batteries required No | batteries required No | batteries required No | batteries required No |
number of reclining positions5 | number of reclining positions 10 | number of reclining positions 10 | number of reclining positions 10 | number of reclining positions 10 | number of reclining positions - |
orientationForward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation Forward Facing | orientation - |
material composition- | material composition Metal, Plastic, Polyester | material composition Polyester, Polyethylene HDPE | material composition 1% Metal(Steel), 81%Plastic(PP, EPP), 18%(Polyester, PP, PU) | material composition 1.92% Steel, 85.16% plastic, 12.92% polyester | material composition Padded |
harness type3-Point | harness type 5-Point | harness type 3-Point | harness type - | harness type 3-Point | harness type - |
forward facing maximum child weight36 Kilograms | forward facing maximum child weight 36 Kilograms | forward facing maximum child weight - | forward facing maximum child weight - | forward facing maximum child weight 36 Kilograms | forward facing maximum child weight 36 Kilograms |
maximum height recommendation1953 Inches | maximum height recommendation 150 Centimetres | maximum height recommendation - | maximum height recommendation 150 Centimetres | maximum height recommendation 150 Centimetres | maximum height recommendation - |
material typeFoam | material type Metal, Plastic, Polyester | material type - | material type - | material type Alloy Steel, Polyester, Polypropylene | material type Polyurethane |
minimum weight recommendation15 Kilograms | minimum weight recommendation 9 Kilograms | minimum weight recommendation 15 Kilograms | minimum weight recommendation - | minimum weight recommendation 15 Kilograms | minimum weight recommendation - |
minimum height recommendation- | minimum height recommendation 76 Centimetres | minimum height recommendation 15 Kilograms | minimum height recommendation 100 Centimetres | minimum height recommendation 100 Centimetres | minimum height recommendation - |
styleSafety | style - | style JUNIOR FIX I-SIZE | style - | style R129 Midnight | style - |
Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.9
1GracoGraco Affix R44 Highback Booster car seat with isoCatch connectors, Suitable from approx. 4 to 12 years (15-36kg), Stargazer fashion
Why we love it
Provides excellent side impact protection.
Easy installation with isoCatch connectors.
Adjustable head support for growing children.
Main highlights- Safety surround side impact protection, which gives your child the ideal head and body protection
- Retractable cup holder and handy hideaway storage unit
- Open-loop belt guides to help ensure proper seat belt positioning
- Machine-washable covers
- Group 2/3 car seat - suitable from 4 to approx. 12 years (15-36 kg )
- Five position height-adjustable head support
- EPS, energy-absorbing foam for effective impact, energy management
- Convenient isoCatch connectors keeps the seat secure to the vehicle seat
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9.6
2My Babiie
My Babiie MBCS75 Toddler to Booster R129 Child Car Seat - ISOFIX with Top Tether, Harness, 76-150cm (Approx. 9-36kg, 15 Months - 12 Years), i-Size, Group 1/2/3, Adjustable, Forward Facing - Black
Main highlights- TODDLER & CHILD CAR SEAT: The MBCS75 grows with your child from 76–150cm (from appoximately 9-36kg, 15 months to 12 years, Group 1/2/3), transforming from a secure harness seat to a high-back booster. With adjustable headrest and no-rethread harness, it ensures comfort, safety, and convenience at every stage. i-Size certified and forward facing kids car seat.
- SAFETY FIRST: The MBCS75 is designed to meet the latest EU R129 safety certification standards. A reinforced shell and additional side impact testing give you peace of mind during every journey.
- HASSLE-FREE INSTALLATION: With a double-fix installation system using ISOFIX and a Top Tether strap, this car seat offers secure, stable attachment to your vehicle.
- COMFORT FOR YOUR LITTLE VIP: The 5-point harness system, designed with soft padded covers, keeps your little one both secure and comfortable by protecting the body’s strongest points, ensuring a snug, safe fit throughout every journey from toddler to big kid. An adjustable headrest and extra padding ensure your child's comfort on every journey.
- ALSO FEATURES: Simple to remove hand washable cover, breathable fabrics and wide, soft seat, 10-position headrest, and easy harness storage when switching to booster mode.
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9.5
3Kinderkraft18% Off
Kinderkraft JUNIORFIX2 Car Seat for 4-12 Years, I-Size 100-150 cm, Group 2/3, Toddler car seat with Isofix, Adjustable Headrest, Reinforced Side protections, Wide and Comfortable seat, Gray
Why we love it
Easy and secure ISOFIX installation.
Comfortable for long journeys.
Advanced side protection system.
Main highlights- SAFE: the baby seat has dedicated safety systems (SPS, H-GUARD): reinforced side protection that protects the child's shoulders and hips, also absorbing the energy generated during impact. The one-hand adjustment allows you to set it on one of 10 levels.
- I-SIZE: certification based on the most up-to-date standards makes the travel car seat safe and compliant with the newest standards. Thanks to that, you will be able to focus on driving the car without worrying about your child during a car ride.
- FOR CHILDREN FROM 3,5 TO 12 YEARS: a baby car seat from 100-150 cm height (15-36 kg). It is fitted front-way facing using the ISOFIX base or optionally with a car seat belt. It was tested in more strict conditions than required by the standard and obtained excellent results.
- EASY INSTALLATION: thanks to the ISOFIX base connectors and the correct installation indicators, you can fix the toddler car seat in a vehicle without a problem. The indicator will light up green once you correctly fix the baby seat, eliminating the risk of incorrectly fitting the child car seat.
- COMFORTABLE: this kids car seat has a wide and soft seat - the child will feel comfortable during both short car rides and longer journeys. It has profiled backrest, thanks to which it's comfortable for the little passenger.
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Value for money
topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
Value for money
topchoice.co.uk compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
