Quick Picks:
The 15 Best Car Seat For 4 Year Old Reviews:
SaleBestseller No. 1 
Graco Tranzitions 3 in 1 Harness Booster Seat, Proof
- 3-in-1 harness booster helps protect your child, from toddler to youth
- Grows with your child from forward-facing harness (22-65 pounds) to highback booster (40-100 pounds) to backless booster (40-100 pounds) to continue to meet industry standards, we have increased the weight minimum from 30 to 40 pounds
- No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion.Do not use bleach
- Lightweight, portable seat is ideal for busy, active parents
- One-hand, 8-position adjustable headrest grows with your child
Bestseller No. 2 
Graco SlimFit 3 in 1 Car Seat -Slim & Comfy Design Saves Space in Your Back Seat, Darcie, One Size
- 3-in-1 car seat grows with your child from rear-facing harness (5-40 pounds) to forward-facing harness (22-65 pounds) to highback booster (40-100 pounds)
- Slim design with dual integrated cup holders that rotate away, making the seat 10% slimmer to save valuable back seat space
- Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear and rollover crashes
- 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
SaleBestseller No. 3 
Safety 1st Grand 2-in-1 Booster Car Seat, Forward-Facing with Harness, 30-65 pounds and Belt-Positioning Booster, 40-120 pounds, Black Sparrow
- Extended Use: forward-facing with harness, 30-65 pounds and Belt-positioning Booster, 40-120 pounds
- Designed to fit 3 ACROSS in most vehicles - Great for growing families and car pools
- Lightweight and easy to move from car to car
- Deluxe fabric gives kids a comfy ride
- Adjustable headrest allows for customizable support
SaleBestseller No. 4 
KidsEmbrace 2-in-1 Harness Booster Car Seat, Marvel Spider-Man
- 5-POINT HARNESS SECURITY: Two position points at each shoulder, two position points at the child's hips, and one point where the harness buckles between the legs to give your child the best possible protection
- 3 HARNESS POSITIONS: There are three slots to position the harness shoulder straps depending on the age and height of your child. Shoulder straps should be at or just above the shoulders whenever using a forward-facing car seat
- TWO MODE OPTIONS: This forward-facing five-point harness car seat is made for children weighing between 22 and 65 pounds and 29 to 49 inches in height. Converts to a belt-positioning booster seat for older children weighing between 40 and 100 pounds and 38 to 57 inches in height. We recommend using the 5-point harness to the maximum recommended weight and height before using this car seat as a belt-positioning booster
- SAFETY CERTIFICATIONS: This seat exceeds Federal Motor Vehicle Safety Standards (FMVSS 213). Side Impact Tested only when used with a 5-point harness. Insurance Institute for Highway Safety "Best Bet" rating when used as a belt-positioning booster
- ADDED COMFORT: Three-position adjustable height headrest is equipped with energy-absorbing EPS foam. Two cup holders provide added convenience to hold drinks or store treats
Bestseller No. 5 
Century Boost On 2-in-1 Booster, Splash
- 2-in-1 BOOSTER SEAT: For big kids 40-120 lb, it transforms from highback to backless booster, because growing up happens
- HAPPY PLANET COLLECTION: Fabrics made with recycled materials as part of our Do More promise to Recycle, Reimagine, and Give Back
- SLIM AND LIGHTWEIGHT DESIGN: This space savior is easy to move from car to car
- 6-POSITION, 1-HAND ADJUST HEADREST: Keep 'em comfy every step of the way
- ON-THE-GO H2O: 2 cup holders keep their water bottle and all-important after-school snack within arm's reach
Bestseller No. 6 
Evenflo Maestro Sport Convertible Booster Car Seat, Forward Facing, High Back, 5-Point Harness, For Kids 2 to 8 Years Old, Whitney Pink
- Convertible Forward Facing Car Seat: Keep your child safe as they grow from toddler to child with this forward-facing car seat for kids ages 2-8 years old or from 22-110 pounds; Dimensions (L x W x H): 17 x 19 x 27.5 inches
- Dual Use: 5-point harness car seat for toddlers ages 2-4 from 22-50 pounds and 28-50 inches tall; high-back booster seat for kids ages 4-8 from 40-110 pounds and 44-57 inches tall
- Adjustable Harness and Belt: Harness adjusts to growing child and booster seat features a shoulder seat belt guide to keep it in the proper position for your child
- Easy to Clean: Easy to clean with wipeable and machine-washable car seat pad that removes for easy cleaning
- Convenient and Safe: Includes 2 built-in cup holders to keep drinks and snacks within reach; Meets or exceeds all applicable federal safety standards and Evenflo's side impact standards
Bestseller No. 7 
Evenflo Chase Sport Harnessed Booster Car Seat, Jayden 18x18.5x29.5 Inch (Pack of 1)
- This 2-in-1 Combination Booster Car Seat fitting children from 22-110 lbs converts from a 5-point harnessed to belt-positioning car seat allowing for extended use for your child
- Upfront Harness Adjust: Central, front access to the harness adjuster provides an easy way to adjust child's harness for an accurate, snug fit
- This lightweight Combination Booster Car Seat comes equipped for LATCH systems allowing for easy installation and transfer between multiple vehicles. Do not use abrasive cleaners or solvents.
- Buckle Positions: 2 crotch buckle positions to adjust for more seating space as a child grows; Certified for use in aircraft: When used with the internal 5-point harness this restraint meets FAA Inversion requirements for airplane use.
- Integrated cup holders keep drinks close without increasing the width of the car seat, allowing multiple car seats to fit your back seat. Harness booster age at least two years of age. Fit tip: child's ears are below top of the child restraint headrest. Seat belt booster age at least four years of age
SaleBestseller No. 8 
KidsEmbrace High-Back Booster Car Seat, Disney Frozen Elsa and Anna
- GROWS WITH YOUR CHILD: The KidsEmbrace Frozen high back booster car seat grows with your child, and easily transitions from a high-back booster to a backless booster depending on their age and size
- AGE AND SIZE RECOMMENDATIONS: The high back booster is designed for children over 4 years old, weighing 40 to 100 pounds, and measuring 38 to 57 inches in height. The backless booster is designed for children over 4 years old, weighing 40 to 100 pounds, and measuring 40 to 57 inches in height
- SEAT BELT POSITIONING: Our Frozen high back booster has a shoulder belt positioning clip so you can easily adjust the seat belt according to your child's size, and a belt positioning clip guide for the backless booster
- CERTIFIED SAFE: Drive safe knowing your Frozen high back booster car seat exceeds the Federal Motor Vehicle Safety Standard (FMVSS 213) and boasts a BEST BET BOOSTER rating from the Insurance Institute for Highway Safety (IIHS)
- CUP HOLDER: Equipped with a cup holder so your child can enjoy their beverage or snack at any time during the ride
Bestseller No. 9 
Chicco KidFit Zip Plus 2-in-1 Belt-Positioning Booster Car Seat, Backless and High Back Booster Seat, for Children Aged 4 Years and up and 40-100 lbs. | Taurus/Black/Grey
- HEAD AND TORSO PROTECTION – Two layers of DuoGuard, a rigid shell and EPS energy-absorbing foam offer additional impact protection. The 10-position headrest easily adjusts from the waist instead of the neck for comfortable head and body support.
- GRAB & GO CONVENIENCE – Equipped with premium LATCH connectors and a SuperCinch one-pull tightener to stabilize the seat and the quick-release LATCH provides one-hand removal for easy transfer creating an ideal portable booster seat.
- ZIP-OFF CUSHIONS – Stylish quilted seat and backrest cushions on the booster seat provide extended durability, added comfort and zip off for easy machine washing.
- COMFORT AND CONVENIENCE – A contoured ErgoBoost Plus seat with triple-foam padding provides comfort and support in all the right places, and a 2-position backrest adjusts to mimic the vehicle seat position.
- ADDED FEATURES – Two removable, dishwasher-safe CupFolders fold out of the way when empty. A bonus storage console fits into either CupFolder to carry big kid necessities for an ideal travel booster seat.
SaleBestseller No. 10 
Babytrend Hybrid 3-in-1 Combination Booster Seat, Ozone
- "Stage 1: Weight 22-50 lbs Height 29"" -48"" Stage 2: Weight 40-100 lbs Height 38""-50"" Stage 3: Weight 40-100 lbs Height 42""-57"""
- Seat pad, body insert, and harness covers are removable and hand-washable
- The weight range for the product recommended is 22 pounds to 100 pounds
- Convenient multi-size cup holders for drink and snack
- Multiple-position head support provides superior side impact protection
SaleBestseller No. 11 
Cosco Finale Dx 2-In-1 Combination Booster Car Seat, Sport Blue, 1 Count (Pack of 1)
- Extended Use: Forward-facing with harness 30-65 pounds and Belt-positioning Booster 40-100 pounds
- Designed to fit 3 across in most vehicles - Great for growing families and car pools
- Lightweight and easy to move from car to car
- Deluxe fabric gives kids a comfy ride
- Dishwasher-safe cup holder detaches for use on either side of seat
SaleBestseller No. 12 
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Pink Blossom
- REAR-FACING FOR LONGER - Designed and engineered to keep your child rear facing even longer up to 50 lb / 22.7 kg, approx. 4 years old
- 10 YEARS ONE CAR SEAT - With 4 ways to travel from birth to booster, the Radian 3R adapts as your child grows to offer a custom fit from birth up to 120 lb / 54 kg
- STEEL CORE - Mechanically engineered, reinforced steel core, made from automotive grade high strength steel to shield and protect
- THE ORIGINAL RADIAN 3 ACROSS - Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat
Bestseller No. 13 
KidsEmbrace Marvel Spider-Man High Back Booster Car Seat, Spider-Man Blue Web
- GROWS WITH YOUR CHILD: The KidsEmbrace Marvel Spider-Man high back booster car seat grows with your child, and easily transitions from a high-back booster to a backless booster depending on their age and size
- AGE AND SIZE RECOMMENDATIONS: The high back booster is designed for children over 4 years old, weighing 40 to 100 pounds, and measuring 38 to 57 inches in height. The backless booster is designed for children over 4 years old, weighing 40 to 100 pounds, and measuring 40 to 57 inches in height
- SEAT BELT POSITIONING: Our Spider-Man high back booster has a shoulder belt positioning clip so you can easily adjust the seat belt according to your child's size, and a belt positioning clip guide for the backless booster
- CERTIFIED SAFE: Drive safe knowing your Spider-Man high back booster car seat exceeds the Federal Motor Vehicle Safety Standard (FMVSS 213) and boasts a BEST BET BOOSTER rating from the Insurance Institute for Highway Safety (IIHS)
- CUP HOLDER: Equipped with a cup holder so your child can enjoy their beverage or snack at any time during the ride
SaleBestseller No. 14 
Chicco MyFit Harness + Booster Car Seat, 5-Point Harness Car Seat and High Back Booster Seat, For children 25-100 lbs. | Fathom/Grey/Blue
- BUILT TO GROW — For extended use, the forward-facing Chicco MyFit harness + booster car seat easily converts from 5-point harness for toddlers to belt-positioning booster for bigger kids.
- HEAD AND TORSO PROTECTION — Superior DuoGuard with a deep rigid shell and EPS energy-absorbing foam for head and body support creates two levels of side-impact protection. A steel-reinforced frame provides additional impact protection for parent peace of mind.
- EASY TO INSTALL — Premium LATCH connectors and LockSure belt-tightening system offer easy installation in either harness or seat belt mode while RideRight bubble levels and ReclineSure leveling system ensure a proper fit in the vehicle.
- COMFORT FEATURES — The high back booster accommodates your growing child with a 9-position headrest and a 4-position recline. The extra deep, contoured ErgoBoost seat with dual-density foam padding offers a more comfortable ride in both modes.
- SPACE-SAVING FEATURE — Two dishwasher-safe CupFolders with push-button removal fold away to save space when not use for a convenient travel booster seat.
Bestseller No. 15 
Graco TriRide 3 in 1 Car Seat | 3 Modes of Use from Rear Facing to Highback Booster Car Seat, Clybourne
- 3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (22-65 lb) to highback booster (40-100 lb)
- Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that help to protect your child in frontal, side, rear & rollover crashes
- 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 growing child
- 6-position recline keeps your child comfy and helps for a better installation
Last update on 2023-02-02 / Affiliate links / Images from Amazon Product Advertising API