Quick Picks:
The 15 Best Car Seat 4 Year Old Reviews:
Bestseller 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
SaleBestseller No. 2 
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
Bestseller No. 3 
Cosco Finale DX 2-in-1 Booster Car Seat, Forward Facing 40-100 lbs, Rainbow
- INTRODUCING COSCO KIDS RAINBOW COLLECTION Exclusively at Amazon. Each piece in this collection is designed with fabrics made using recycled materials.
- MAYBE THE LAST CAR SEAT YOU’LL EVER NEED Cosco Kids Finale DX 2-in-1 Booster Car Seat features two modes: forward-facing harness booster (30–65 lbs., 32"–49", and at least 1 year old), and belt-positioning booster (40–100 lbs. and 43"–52").
- LIGHTWEIGHT AND CARPOOL-READY Perfect for families on the go, the Cosco Finale DX is light and easy to move from car to car.
- FITS 3 ACROSS THE BACK SEAT Narrow design fits 3 across the back seat of most vehicles for growing families with multiple kids in car seats at the same time.
- EASY CLEAN-UP Removable seat pad is machine-washable and dryer-safe.
Bestseller No. 4 
Evenflo GoTime LX Booster Car Seat (Astro Blue)
- BOOST YOUR SAFETY QUOTIENT: Features a deep design with overlapping head and body sides, providing added support where it’s needed most; meets or exceeds all applicable federal safety standards
- MAKE ADJUSTMENTS WITH EASE: Allows for easy height adjustment to 7 positions with one hand for better fit for your child as they grow
- SMOOTH THE TRANSITION: Offers two modes of use, easily transitioning from high back to no back booster for kids at least 4 years of age, weighing 40 to 120 lb
- JUST GET UP AND GROW: Allows you to keep your growing child in the booster longer, adjusting as needed to maintain proper vehicle belt fit
- KEEP BEVERAGES HANDY: Features 2 cup holders built into the seat, keeping drinks and snacks close and allowing the driver to stay focused on the road
Bestseller No. 5 
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. 6 
KidsEmbrace Marvel Spider Man Safety Vehicle Combination 5 Point Harness High Back Booster Car Seat for Ages 12 Months to 10 Years Old
- COMFORT: Contoured seat with high back and 2 convenient cup holders; Orange strap LATCH system; Suitable for ages 12-120 months and 22-100 pounds
- MULTI-POSITION: 2-position crotch belt and 3-position adjustable-height headrest with energy-absorbing EPS foam; 5-point harness adjusts with 1 hand
- SAFETY TESTED: Rigorously tested to exceed Federal Motor Vehicle Safety Standard (FMVSS 213) and IIHS “BEST BET BOOSTER” which is the highest-ranking
- VERSATILE: Forward-facing for 22-65 pounds or 29-49 inches; Converts into belt-positioning booster for children over 4, 40-100 pounds, or 38-57 inches
- EASY TO INSTALL: Installs with or without LATCH connectors and top tether; Weight: 15 pounds; Dimensions (L x W x H): 19.5 x 19 x 29.5 to 32.5 inches
Bestseller No. 7 
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.
Bestseller No. 8 
Century Boost On 2-in-1 Booster, Berry
- 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. 9 
Chicco GoFit Backless Booster Car Seat, Travel Booster Seat for Car, Portable Car Booster Seat for Children 40-110 lbs, Grape/Purple, 1 Count (Pack of 1)
- BOOSTER CAR SEAT FOR 40 LBS AND UP — GoFit is designed for children who are at least 4 years old, between 40-110 lbs. and 38-57 inches tall and who can sit relatively still in the same seated position throughout the car ride.
- BELT-POSITIONING BOOSTER — Integrated lap belt guides and a shoulder belt clip ensure a proper fit with the vehicle seat belt for your child.
- CONTOURED SEAT — The ErgoBoost contoured seat with double foam padding provides support in all the right places for big kid comfort.
- EASY CARE — The GoFit portable booster seat features 2 dishwasher-safe, fold-away cup holders, a machine-washable seat pad and pop-out armrest covers for easy cleaning. The foam insert may be hand rinsed and hung to dry.
- CARRY HANDLE — Built-in carry handle makes it easy to transfer the child booster seat from vehicle to vehicle. This model of the GoFit does not have LATCH attachment. See GoFit Plus Backless Booster for the same booster with LATCH attachment plus quick-release LATCH removal.
Bestseller No. 10 
Evenflo GoTime LX Booster Car Seat (Quincy Blue)
- BOOST YOUR SAFETY QUOTIENT: Features a deep design with overlapping head and body sides, providing added support where it’s needed most; meets or exceeds all applicable federal safety standards
- MAKE ADJUSTMENTS WITH EASE: Allows for easy height adjustment to 7 positions with one hand for better fit for your child as they grow
- SMOOTH THE TRANSITION: Offers two modes of use, easily transitioning from high back to no back booster for kids at least 4 years of age, weighing 40 to 120 lb
- JUST GET UP AND GROW: Allows you to keep your growing child in the booster longer, adjusting as needed to maintain proper vehicle belt fit
- KEEP BEVERAGES HANDY: Features 2 cup holders built into the seat, keeping drinks and snacks close and allowing the driver to stay focused on the road
Bestseller No. 11 
Evenflo GoTime LX High Back Booster Car Seat
- BOOST YOUR SAFETY QUOTIENT: Features a deep design with overlapping head and body sides, providing added support where it’s needed most; meets or exceeds all applicable federal safety standards
Bestseller No. 12 
Diono Cambria 2 XL, Dual Latch Connectors, 2-in-1 Belt Positioning Booster Seat, High-Back to Backless Booster with Space and Room to Grow, 8 Years 1 Booster Seat, Pink
- BUILT FOR COMFORT - XL ultra-wide design and optimized comfort with ergonomic, contoured base finished with deep padded cushioning
- 2 SEATS IN 1 - Cambria 2 easily converts from a high-back booster to a backless belt-positioning booster seat
- EASY ADJUST HEADREST - Includes a 6-position headrest to provide protective head support for your child with reinforced side impact protection
- QUICK, SECURE INSTALLATION - Engineered with high-grade steel LATCH connectors and 2x easy adjust LATCH straps allow you to quickly tighten and secure the booster to your vehicle
- FOLD AWAY CUP HOLDERS - Includes 2x 2-in-1 fold away cup holders and storage compartments for snacks, drinks and toys
Bestseller No. 13 
Graco TurboBooster 2.0 Highback Booster Car Seat, Declan
- Helps safely transport your big kid from 4-10 years old, from 40-100 lb and up to 57 inches tall
- Graco ProtectPlus Engineered: a combination of the most rigorous crash tests that helps to protect your child in frontal, rear, and rollover crashes; additional testing based on the New Car Assessment Program and for extreme car interior temperatures
- The boost your child will love
- 2-in-1 seat easily converts from a highback booster to backless booster for years of use
- Height-adjustable armrests and hide-away cup holders will help keep your child content on the road
Bestseller No. 14 
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
Bestseller No. 15 
Graco® Nautilus® 65 3-in-1 Harness Booster Car Seat, Bravo
- 3-in-1 harness booster helps protect your child, from toddler to youth
- Grows with your child from forward-facing harness (22-65 lb) to highback booster (40-100 lb) to backless booster (40-100 lb)
- No-Rethread Simply Safe Adjust Harness System allows the headrest and harness to adjust together in one motion
- 3-position recline helps keep your growing child comfy
- One-hand, 5-position adjustable headrest grows with your child
Last update on 2023-05-28 / Affiliate links / Images from Amazon Product Advertising API