We Use CookiesWe use cookies to enhance the security, performance,
functionality and for analytical and promotional activities. By continuing to browse this site you
are agreeing to our privacy policy
10 Best Car Seat For 4 Year Olds 2025 in the United States
#1
Winner
Graco Extend2Fit Convertible Baby Car Seat, Rear and Forward Facing, Adjustable Extension Panel for Extra Legroom, Redmond
The Graco Extend2Fit Convertible Car Seat is designed to grow with your child, making it a good choice for 4-year-olds who still need a secure harness system. It offers both rear-facing and forward-facing options, which is great since rear-facing use is safer for younger children and the seat supports rear-facing up to 50 pounds — higher than many seats. For older toddlers, it converts to forward-facing with a 5-point harness and can hold children up to 65 pounds. One standout feature is the adjustable extension panel that gives extra legroom, helping your child stay comfortable on longer rides.
Rating
9.9
Chosen by1,292
Installation Method
Weight and Height Limits
Harness System
Most important from
72739 reviews
#2
Graco Extend2Fit Kenzie, 2-in-1 Convertible Car Seat for Infants to Toddlers with Advanced Safety Features
The Graco Extend2Fit Kenzie 2-in-1 Convertible Car Seat is designed to accommodate children from infancy up to toddler years. It supports a weight range of 4-50 pounds in the rear-facing position and 22-65 pounds when forward-facing, making it a versatile option for growing children. The car seat features a robust steel construction and meets US FMVSS 213 crash test standards, ensuring a high level of safety.
Rating
9.8
Weight and Height Limits
Harness System
Installation Method
Most important from
72742 reviews
#3
Safety 1st Grow and Go All-in-One Slim Convertible Car Seat, Rear Facing, 5-40 lbs, Forward Facing (30–65 lbs), High Back Booster Seat 40-100 pounds, Harvest Moon
The Safety 1st Grow and Go All-in-One Slim Convertible Car Seat is a versatile option that can grow with your child from newborn up to about 100 pounds, covering rear-facing, forward-facing, and booster seat stages. For a 4-year-old, typically in the forward-facing range, this seat supports children from 30 to 65 pounds and offers a 5-point harness for security. It’s easy to adjust thanks to the QuickFit harness system and adjustable headrest, which helps fit your child comfortably and safely as they grow. Installation uses the LATCH system, which many parents find straightforward and secure. The seat has three reclining positions, adding comfort for longer rides.
Rating
9.6
Safety Features
Harness System
Comfort and Convenience
Most important from
34176 reviews
Top 10 Best Car Seat For 4 Year Olds 2025 in the United States
#1
Winner
9.9 score
Graco Extend2Fit Convertible Baby Car Seat, Rear and Forward Facing, Adjustable Extension Panel for Extra Legroom, Redmond
Graco Extend2Fit Convertible Baby Car Seat, Rear and Forward Facing, Adjustable Extension Panel for Extra Legroom, Redmond
Type of Car Seat: Convertible
Weight and Height Limits: Rear-facing up to 50 lbs, forward 65
Harness System: 5-Point
Installation Method: Latch
Safety Features: ProtectPlus Engineering
Comfort and Convenience: Adjustable panel, no-rethread headrest, reclining
Chosen by 1292 this week
Graco Extend2Fit Kenzie, 2-in-1 Convertible Car Seat for Infants to Toddlers with Advanced Safety Features
Graco Extend2Fit Kenzie, 2-in-1 Convertible Car Seat for Infants to Toddlers with Advanced Safety Features
Type of Car Seat: 2-in-1 Convertible
Weight and Height Limits: 4-50 lbs (rear), 22-65 lbs (front)
Harness System: 5-Point
Installation Method: InRight LATCH system
Safety Features: Graco ProtectPlus, side-impact testing
Comfort and Convenience: No-rethread headrest, 10 reclining options
Safety 1st Grow and Go All-in-One Slim Convertible Car Seat, Rear Facing, 5-40 lbs, Forward Facing (30–65 lbs), High Back Booster Seat 40-100 pounds, Harvest Moon
Safety 1st Grow and Go All-in-One Slim Convertible Car Seat, Rear Facing, 5-40 lbs, Forward Facing (30–65 lbs), High Back Booster Seat 40-100 pounds, Harvest Moon
Type of Car Seat: Rear, Forward, Booster
Weight and Height Limits: Rear 5-40 lbs, Forward 22-65 lbs, Booster 100 lbs; Height 29-52 in
Harness System: 5-Point QuickFit harness
Installation Method: Latch
Safety Features: 5-Point harness
Comfort and Convenience: 3 recline positions, washable fabric
Expiration Date: Standard expiration
Evenflo Revolve360 Extend Convertible Car Seat with 360 Degree Rotation, Extended Rear-Facing, Forward-Facing, Booster Mode, and Secure Latch Install, Revere Gray
Evenflo Revolve360 Extend Convertible Car Seat with 360 Degree Rotation, Extended Rear-Facing, Forward-Facing, Booster Mode, and Secure Latch Install, Revere Gray
Type of Car Seat: Convertible
Weight and Height Limits: 4-120 pounds, 17-57 inches
Harness System: 5-Point
Installation Method: Latch or Seat Belt
Safety Features: Sure360 system, 5-point harness, rear-facing
Comfort and Convenience: 360-degree rotation, reclining, washable seat pad
Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing Car Seat, Highback, to Backless Booster, Eloise
Graco Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing Car Seat, Highback, to Backless Booster, Eloise
Type of Car Seat: 3-in-1 Harness Booster Seat
Weight and Height Limits: 26.5-100 lbs, up to 57 inches
Harness System: 5-point, No-Rethread Simply Safe Adjust
Installation Method: LATCH
Safety Features: 5-point harness, No-Rethread Adjust
Comfort and Convenience: 9 recline positions, machine-washable
Related Products
Up to 25% off
Evenflo Revolve360 Slim 2-in-1 Rotational Car Seat with Quick Clean Cover (Stow Blue)
Evenflo Revolve360 Slim 2-in-1 Rotational Car Seat with Quick Clean Cover (Stow Blue)
Type of Car Seat: 2-in-1 Rotational
Weight and Height Limits: 4 to 65 lbs, 17 to 49 in
Harness System: 5-point
Installation Method: Sure360 Safety System
Safety Features: 360-degree rotation, LockStrong, Tether360
Comfort and Convenience: 15 reclining positions, Quick Clean Cover
Graco 4Ever DLX 4-in-1, 10 Years Use Infant to Toddler Car Seat, Zagg, Includes Rear Facing, Forward Facing, Highback Booster & Backless Booster Seat options
Graco 4Ever DLX 4-in-1, 10 Years Use Infant to Toddler Car Seat, Zagg, Includes Rear Facing, Forward Facing, Highback Booster & Backless Booster Seat options
Type of Car Seat: 4-in-1 DLX
Weight and Height Limits: 4-65 lbs, up to 120 lbs
Harness System: Simply Safe Adjust, 5-Point
Installation Method: InRight LATCH, Seat Belt
Safety Features: Graco ProtectPlus Engineering
Comfort and Convenience: 6-position recline, RapidRemove cover
Britax One4Life Convertible Car Seat, 10 Years of Use from 5 to 120 Pounds, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, Performance Fabric, Cool Flow Carbon
Britax One4Life Convertible Car Seat, 10 Years of Use from 5 to 120 Pounds, Converts from Rear-Facing Infant Car Seat to Forward-Facing Booster Seat, Performance Fabric, Cool Flow Carbon
Type of Car Seat: Convertible Car Seat
Weight and Height Limits: 5 to 120 pounds, up to 63 inches
Harness System: 5-Point, 15-position headrest and harness
Installation Method: ClickTight technology, Seat Belt
Safety Features: Steel frame, SafeCell crumple zone
Comfort and Convenience: Cool Flow Carbon fabric, nine recline
#10
7.5 score
Chicco Fit360 ClearTex Rotating Convertible Car Seat with 360 Degree Rotation for Rear-Facing and Forward-Facing Usage, LeverLock Self-Tensioning Lock System | Slate/Grey
Chicco Fit360 ClearTex Rotating Convertible Car Seat with 360 Degree Rotation for Rear-Facing and Forward-Facing Usage, LeverLock Self-Tensioning Lock System | Slate/Grey
Type of Car Seat: Convertible
Weight and Height Limits: 4 to 65 pounds
Harness System: 5-point harness
Installation Method: LeverLock self-tensioning lock
Safety Features: ClearTex, flame retardant-free, low emissions
Comfort and Convenience: Ventilation, 15-position headrest, adjustable harness
Recommended lists
Top rated
Car Seat For 5 Year Olds
How do we rank products for you?
Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.
Buying Guide for the Best Car Seat For 4 Year Olds
Choosing the right car seat for your 4-year-old is crucial for their safety and comfort during car rides. At this age, children typically transition from a convertible car seat to a booster seat. It's important to consider several key specifications to ensure you select the best fit for your child. Here are the key specs you should focus on and how to navigate them.Type of Car SeatFor a 4-year-old, you will likely be looking at a forward-facing car seat with a harness or a booster seat. Forward-facing seats with a harness are suitable for children who have outgrown their rear-facing seats but are not yet ready for a booster. Booster seats are for children who have outgrown their forward-facing seats and are ready to use the car's seat belt. The choice depends on your child's height, weight, and maturity level.
Weight and Height LimitsEach car seat has specific weight and height limits. These limits are important because they ensure the seat can safely accommodate your child. Forward-facing seats typically have weight limits between 20-65 pounds and height limits up to 49 inches. Booster seats usually accommodate children from 30-100 pounds and up to 57 inches tall. Check your child's current measurements and choose a seat that will provide room for growth.
Harness SystemThe harness system is what secures your child in the car seat. For forward-facing seats, a 5-point harness is recommended as it provides the best protection by securing your child at the shoulders, hips, and between the legs. Ensure the harness is easy to adjust and fits snugly. For booster seats, the car's seat belt will be used, so make sure the seat belt fits properly over your child's shoulder and lap.
Installation MethodProper installation is critical for safety. Car seats can be installed using the vehicle's seat belt or the LATCH (Lower Anchors and Tethers for Children) system. The LATCH system is often easier to use and can provide a more secure fit. However, it has weight limits, so check your car's manual and the car seat's instructions. Ensure you can install the seat correctly and that it fits well in your vehicle.
Safety FeaturesLook for additional safety features such as side-impact protection, energy-absorbing foam, and a steel-reinforced frame. These features can provide extra protection in the event of a crash. While all car seats must meet basic safety standards, these additional features can offer enhanced safety for your child.
Comfort and ConvenienceComfort is important for longer car rides. Look for seats with ample padding, adjustable headrests, and reclining options. Convenience features like machine-washable covers, cup holders, and easy-to-adjust harnesses can make using the car seat more pleasant for both you and your child. Consider your daily routine and how these features might benefit you.
Expiration DateCar seats have expiration dates, usually ranging from 6 to 10 years from the date of manufacture. This is because the materials can degrade over time, potentially compromising safety. Check the expiration date on the car seat and ensure it will last for the duration you plan to use it. Avoid using second-hand car seats unless you are certain of their history and condition.