Top 30 4-Year-Old Car Seats on Amazon (Verified You can Buy)
Barbie x Graco Turbobooster 2.0 High Back Booster Seat, Belt Positioning Booster Car Seat for Big Kids
Graco
9.09 x 16.73 x 29.39 Inches
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Helps safely transport your big kid from from 40-100 lb
2-in-1 seat easily converts from a highback booster to backless booster for years of use
Top 2
Best Child Safety Booster Car Seats
Best for Child
Best for Travel
Best for Kids
Best for Airplane
Best for 5-Year-Old
Best for 6-Year-Old
Best for With Wheels
Best for Portable
Best for Foldable
Best for Race
Best for Plane Cars Seats
Best for Twin
Graco TurboBooster 2.0 Backless Booster Car Seat, Trisha
Graco
2184591
15.5 x 15.5 x 8.6 inches
4.39 pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
This Graco booster seat helps safely transport your big kid from ages 4 -10, from 40 - 100 pounds and up to 57 inches tall
Backless booster is top-rated by leading consumer magazines and publications
Top 3
Best for Harness
Best for Slim
Best for Front-Facing
Best for Spiderman
Best for Travel
Best for 3-Year-Old
Best for Portable
Best for Lightweight
Best for Plane Cars Seats
Best for With Harness
Cosco Kids Finale DX 2-in-1 Booster Car Seat, Forward Facing Toddler Car Seat (40-65 lbs) and Belt Positioning High Back Booster (40-100 lbs), Organic Waves
Cosco
BC207GZT
18.5 x 17.75 x 18.5 inches
8.0 pounds
Ratings for Cosco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
COSCO KIDS KIDS FINALE DX 2-IN-1 BOOSTER CAR SEAT Features two modes of use: forward-facing harness booster with 5-point safety harness (40–65 lbs. and 43.4"–49"), and belt-positioning booster (40–100 lbs. and 43.4"–52").
LIGHTWEIGHT AND CARPOOL-READY Perfect for families on the go, the Cosco Kids Finale DX is light and easy to move from car to car.
Top 4
Best Child Safety Booster Car Seats
Best for Harness
Best for Front-Facing
Best for 5-Year-Old
Best for Black
Best for Race
Best for With Harness
Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to Belt-Positioning Booster, High Back Seat for Kids 40-65, and Belt-Positioning 40-100 Pounds, Black Sky
Safety 1st
BC208GAR
18.5 x 17.75 x 18.5 inches
8.0 pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
2 IN 1 BOOSTER FUNCTIONALITY: Safety 1st Grand 2-in-1 Booster Car Seat adapts as your child grows, from a forward-facing harness booster car seat (40–65 lbs., 43.4"–49") to a belt-positioning booster car seat with back for (40–100 lbs., 43.4"–52").
SLIM CAR SEAT DESIGN FITS 3 ACROSS: Great for large families or carpools, this 2-in-1 booster seat for forward-facing with harness and belt-positioning booster with high back is designed to fit three across in the back seat of most vehicles.
Top 5
Best Car Seats
Best for Baby Trend
Best for Harness
Best for Slim
Best for Spiderman
Best for Child
Best for Kids
Best for Toddler
Best for 3-Year-Old
Best for Foldable
Best for 3 In 1
Best for Twin
Best for Paw Patrol
Baby Trend Hybrid SI 3-in-1 Combination Booster Seat, Hoboken Teal – Side-Impact Protection, 3-Stage Growth Design, Adjustable Headrest, Cushioned Comfort
Baby Trend
FB49E05B
21.0 x 18.0 x 29.25 inches
Ratings for Baby Trend (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
3-in-1 combination booster design supports growing kids through harness and booster stages as they transition to vehicle seat belt use
Side-impact focused design adds confidence for everyday rides
Graco TurboBooster 2.0 Backless Booster Car Seat, Barbie Painterly, Travel Booster Seat for Children Ages 4-10, Weight 40-100 Pounds and Height up to 57 Inches
Graco
2221110
15.5 x 15.5 x 8.6 inches
5.1 Pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
This Graco booster seat helps safely transport your big kid from ages 4 -10, from 40 - 100 pounds and up to 57 inches tall
Backless booster is top-rated by leading consumer magazines and publications
Safety 1st Grow and Go 2-in-1 Booster Car Seat with ComfortWings, Converts High-Back to Backless, 19" Wide, Fits 3 Across, Lightweight, Foldable, Easy-Clean, Cup Holders, 40-100 lbs, Crushed Grape
Safety 1st
BC189HJX
13.79 x 17.33 x 13.79 inches
10.32 Pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
MADE FOR BIG KIDS The Grow and Go 2-in-1 Belt-Positioning Booster Car Seat featuring ComfortWings grows with your child and easily converts from a high-back belt-positioning booster (40–100 lbs. and 43.4"–52") to a backless booster (40–100 lbs. and 43.4"–57").
GROWS UP AND STRETCHES OUT With our innovative ComfortWing design, as the headrest rises, the backrest wings expand to 19" (total seat width) to ensure a comfortable fit for your fast-growing kiddo
Top 8
Best Car Seats
Best Child Safety Booster Car Seats
Best for Safety 1st
Best for Harness
Best for Slim
Best for Front-Facing
Best for Spiderman
Best for Child
Best for Toddler
Best for Airplane
Best for 1-Year-Old
Best for 2-Year-Old
Best for 3-Year-Old
Best for 5-Year-Old
Best for Foldable
Best for Lightweight
Best for Race
Best for Plane Cars Seats
Best for With Harness
Best for 3 In 1
Best for Paw Patrol
Safety 1st Boost-and-Go Essential 3-in-1 Booster Car Seat, Highback & Backless Modes, Lightweight, Easy Install, Labrador II
Safety 1st
BC181HTW
19.36 x 18.13 x 19.36 inches
12.17 pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
3-in-1 booster: forward-facing harness (30–65 lbs. and 34.4"–49"), and high-back belt-positioning booster and backless booster (40–100 lbs. and 43.4"–57")
2 removable dishwasher-safe cup holders
Top 9
Best Car Seats
Best Child Safety Booster Car Seats
Best for Graco
Best for Slim
Best for Child
Best for Travel
Best for Kids
Best for Toddler
Best for 2-Year-Old
Best for 3-Year-Old
Best for 5-Year-Old
Best for 6-Year-Old
Best for Portable
Best for Lightweight
Graco TurboBooster 2.0 Highback Booster Car Seat, Declan
Graco
2184596
17.0 x 17.0 x 8.0 Inches
6.0 Pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
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
Top 10
Best Car Seats
Best Convertible Child Safety Car Seats
Best for Graco
Best for Harness
Best for Convertible
Best for Slim
Best for Front-Facing
Best for Rear-Facing
Best for Baby
Best for Toddler
Best for Airplane
Best for 1-Year-Old
Best for 2-Year-Old
Best for 3-Year-Old
Best for 6-Year-Old
Best for With Wheels
Best for Grow With Me
Best for With Harness
Best for 3 In 1
Best for 4 In 1
Best for All In One
Best for Twin
Graco® TriRide 3-in-1 Reclining Car Seat, Kipling - Rear & Forward Facing Car Seat, Highback Booster, Adjustable Headrest
Graco
2216353
21.18 x 19.45 x 24.68 inches
18.45 Pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (26.5-65 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
Top 11
Best for Chicco
Chicco MyFit 2-in-1 Harness Booster Car Seat, 5-Point Harness Car Seat and High Back Booster, for Children 26.5-100 lbs, Haven/Purple
Chicco
06087211870070
20.0 x 17.5 x 26.0 inches
25.0 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
BUILT TO GROW 2-in-1 CAR SEAT — For extended use, the forward-facing Chicco MyFit Harness + Booster Car Seat easily converts from 5-point harness car seat for toddlers to belt-positioning booster for bigger kids.
ADVANCED SIDE IMPACT PROTECTION — Featuring Advanced Side Impact Protection (ASIP), MyFit is engineered to meet the Federal Motor Vehicle Safety Standard FMVSS 213a - Side Impact.
Top 12
Best Car Seats
Best Convertible Child Safety Car Seats
Best for Safety 1st
Best for Harness
Best for Convertible
Best for Slim
Best for Front-Facing
Best for Rear-Facing
Best for Baby
Best for Child
Best for Travel
Best for Kids
Best for Newborn
Best for Infant
Best for Toddler
Best for Airplane
Best for 1-Year-Old
Best for 2-Year-Old
Best for 3-Year-Old
Best for 5-Year-Old
Best for With Wheels
Best for Black
Best for Portable
Best for Lightweight
Best for Grow With Me
Best for Plane Cars Seats
Best for With Harness
Best for 3 In 1
Best for 4 In 1
Best for All In One
Best for Twin
Safety 1st Ellaris 3-in-1 Convertible Car Seat, Slim Fit Design, Rear & Forward-Facing, 5-Position Headrest, 3-Across Fit, Travel-Friendly with Machine-Washable Seat Pad, Smokey Haze
Safety 1st
CC396HNH
23.3 x 19.0 x 24.4 inches
12.0 pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
MADE TO BE WITH YOU FOR YEARS The Safety 1st Ellaris Convertible Car Seat adapts to your growing little one with 3 modes of use, making this car seat a key piece of your family for years to come.
3 WAYS TO USE The Safety 1st Ellaris Convertible Car Seat offers extended use for your little one with Rear-Facing Infant (5–30 lbs.), Rear-Facing Toddler (30–40 lbs.), and Forward-Facing (30–65 lbs.) positions.
Top 13
Best Child Safety Booster Car Seats
Best for Cosco
Best for Child
Best for Travel
Best for Kids
Best for 3-Year-Old
Best for 5-Year-Old
Best for 6-Year-Old
Best for Portable
Best for Bucket
Best for Plane Cars Seats
Cosco Topside Backless Booster Car Seat (Leo)
Cosco
BC030BJDZ
15.0 x 15.0 x 6.5 Inches
2.2 pounds
Ratings for Cosco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
This Cosco backless booster securely fits in your car and gives your child the extra height they need to keep seatbelts properly positioned
Made for growing kids, the seat holds kids weighing between 40 to 100 pounds and 43 to 57 inches in height
Top 14
Best Car Seats
Best Child Safety Booster Car Seats
Best for Chicco
Best for Child
Best for Travel
Best for Kids
Best for 5-Year-Old
Best for 6-Year-Old
Best for Black
Best for Portable
Best for Lightweight
Best for Plane Cars Seats
Chicco GoFit ClearTex Plus Backless Booster Car Seat, Latch Attachment, Quick-Release Latch Removal, Portable Car Booster Seat for Children at Least 4 Years Old and 40-110 lbs, Obsidian/Black
Chicco
08087106240070
15.0 x 17.0 x 8.5 inches
5.5 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
BOOSTER CAR SEAT FOR 40 LBS AND UP — GoFit ClearTex Plus is designed for children who are at least 4 years old, between 40-110 pounds and 44-57 inches tall and who can sit relatively still in the same seated position throughout the car ride.
GRAB & GO CONVENIENCE – The GoFit ClearTex Plus backless booster is equipped with LATCH to help stabilize the seat while the child gets in and out. An innovative quick-release design means one-hand removal with a simple pull of the release handle. Built-in carry handle.
Top 15
Best Child Safety Booster Car Seats
Best for BubbleBum
Best for Travel
Best for Kids
Best for Airplane
Best for Black
Best for Portable
Best for Foldable
Best for Lightweight
Best for Bucket
Best for Plane Cars Seats
BubbleBum Inflatable Travel Booster Seat for Car, Portable Booster Seat for Car - Backless, Foldable & Narrow Slim Fit -Travel Car Seat for Kids 40-100 lbs - Black
bubblebum
BB0004US
12.0 x 11.0 x 4.0 inches
0.9375 Pounds
- Unknown: English
Ratings for bubblebum (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| BubbleBum USA LLC | - | ✅ | ✅ | ✅ |
Features
The Ultimate Travel Car Seat - Unlock the convenience of the USA’s first backless inflatable booster seat. BubbleBum is the only inflatable booster seat with a patented system to guarantee stability and comfort on every journey.
Safety You Can Count On - Bubble Bum exceeds all US federal car safety standards & European regulations (FMVSS213 & R44/04). Your new car booster seat comes with a seat belt positioning clip for optimal seat belt fit and comfort. Ideal booster seat for car 40-100 lbs.
Top 16
Best Car Seats
Best Child Safety Booster Car Seats
Best for Graco
Best for Harness
Best for Convertible
Best for Slim
Best for Child
Best for Kids
Best for Toddler
Best for 1-Year-Old
Best for 2-Year-Old
Best for 3-Year-Old
Best for 5-Year-Old
Best for 6-Year-Old
Best for Lightweight
Best for With Harness
Best for 3 In 1
Graco® Tranzitions 3-in-1 Harness Booster Car Seat, Forward Facing Car Seat, Highback, to Backless Booster, Eloise
Graco
2217738
18.9 x 10.47 x 33.5 Inches
15.1 Pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
3-in-1 harness booster helps protect your child, from toddler to youth
Grows with your child from forward-facing harness (26.5-65 lb) to highback booster (40-100 lb*) to backless booster (40-100 lb) *To continue to meet industry standards, we have increased the weight minimum from 30 to 40 lb
Safety 1st Grow and Go 2-in-1 Booster Car Seat with ComfortWings, Converts High-Back to Backless, 19" Wide, Fits 3 Across, Lightweight, Foldable, Easy-Clean, Cup Holders, 40-100 lbs, Beach Wave
Safety 1st
BC189HJW
13.79 x 17.33 x 13.79 inches
10.32 Pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
MADE FOR BIG KIDS The Grow and Go 2-in-1 Belt-Positioning Booster Car Seat featuring ComfortWings grows with your child and easily converts from a high-back belt-positioning booster (40–100 lbs. and 43.4"–52") to a backless booster (40–100 lbs. and 43.4"–57").
GROWS UP AND STRETCHES OUT With our innovative ComfortWing design, as the headrest rises, the backrest wings expand to 19" (total seat width) to ensure a comfortable fit for your fast-growing kiddo
Chicco KidFit ClearTex 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., Drift/Grey
Chicco
00079627120070
16.5 x 18.75 x 32.75 inches
10.0 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
HEAD AND TORSO PROTECTION – Superior DuoGuard for head and body support and 10-position height adjustment from the waist instead of the neck offer reassuring protection and child comfort.
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.
Top 19
Best Convertible Child Safety Car Seats
Best for Graco
Best for Convertible
Best for Front-Facing
Best for Baby
Best for 1-Year-Old
Best for 3 In 1
Best for 4 In 1
Best for All In One
Graco 4Ever DLX 4-in-1 Baby Car Seat, Infant to Toddler Car Seat, 10 Years of Use, Rear-Facing, Forward-Facing, Highback Booster, and Backless Booster Seat Modes, Comfortable and Convenient, Charlie
Graco
2215486
21.3 x 20.31 x 25.94 inches
23.0 pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Piccolino Baby | - | ❌ | ❌ | ❌ |
Features
4-in-1 car seat gives you 10 years of use: seamlessly transforms from rear-facing harness (4-40 lb), to forward-facing harness (26.5-65 lb), to highback booster (40-100 lb), to backless booster (40-120 lb)
Graco ProtectPlus Engineered to the newest testing standards for side and frontal impact, and beyond—because the safety of your child shouldn’t stop at the standard
Top 20
Chicco GoFit Backless Booster Car Seat without LATCH Attachment, Travel Booster Seat for Car, Portable Car Booster Seat for children 40-110 lbs., Raindrop / Blue
Chicco
05079751140070
15.0 x 17.0 x 5.0 inches
5.0 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
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
Top 21
Best for Chicco
Chicco KidFit Adapt 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. | Ember/Black
Chicco
07079728860070
17.0 x 17.0 x 26.0 inches
10.0 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
HEAD AND TORSO PROTECTION – Two layers of DuoGuard, a rigid shell and EPS energy-absorbing foam offer additional 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.
Evenflo GoTime No Back Booster Car Seat (Static Black)
Evenflo
CS800112230
15.2 x 7.44 x 7.875 inches
3.0 Pounds
Ratings for Evenflo (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
ENABLE PROPER FIT FOR GROWING KIDS: Gives older children the extra boost they need for vehicle belt fit, and the included belt clip helps to properly position shoulder belt as your child grows
KEEP BEVERAGES HANDY: Offers 2 cup holders built into the seat to keep drinks and snacks close and allow the driver to stay focused on the road
Top 23
Best Child Safety Booster Car Seats
Best for Graco
Best for Child
Best for Travel
Best for Kids
Best for Toddler
Best for Airplane
Best for 5-Year-Old
Best for 6-Year-Old
Best for With Wheels
Best for Portable
Best for Foldable
Best for Lightweight
Best for Plane Cars Seats
Best for Twin
Graco TurboBooster 2.0 Backless Booster Car Seat, Denton
Graco
2184500
16.73 x 6.89 x 15.94 inches
4.39 pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
This Graco booster seat helps safely transport your big kid from ages 4 -10, from 40 - 100 pounds and up to 57 inches tall
Backless booster is top-rated by leading consumer magazines and publications
Top 24
Best for Cosco
Cosco Kids Topside Booster Car Seat, Pack of 2, Lightweight Travel Chair, Easy-Clean Cover, Belt Guide, Fits 40-100 lbs, 43.4-57 in, Leo
Cosco
BC030BJD2
14.96 x 15.35 x 14.96 inches
2.09 pounds
Ratings for Cosco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
PACK OF 2 This bundle includes 2 Cosco Kids Topside Booster Car Seats.
GIVE YOUR CHILD A LIFT The Cosco Kids Topside Booster Car Seat gives your child the extra height they need to keep seatbelts properly positioned.
Top 25
Best for Evenflo
Best for Harness
Best for Front-Facing
Best for Spiderman
Best for 2-Year-Old
Best for Lightweight
Best for Race
Best for With Harness
Best for Paw Patrol
Evenflo Maestro Sport Booster Car Seat (Granite Gray)
Evenflo
CS500312203
17.0 x 19.0 x 27.5 inches
9.6 pounds
Ratings for Evenflo (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
TWO MODES TO GROW WITH YOUR CHILD: Converts from a forward-facing 5-point harness booster seat for a child 30-50 lbs., to a vehicle belt-positioning booster seat for children up to 100 lbs. The multiple harness slots easily accommodate a growing child.
UP-FRONT HARNESS ADJUST: Up-front central access to the child harness adjuster provides an easy way to accurately tighten for a snug fit
Top 26
Best Convertible Child Safety Car Seats
Best for Rear-Facing
Best for Minnie Mouse
Best for 1-Year-Old
Best for 2-Year-Old
Best for 3-Year-Old
Best for Race
Best for All In One
Graco® Slimfit 3-in-1 Convertible Car Seat, Space Saving Design, Forward & Rear-Facing, Highback Booster Option – Sydney
Graco
2215456
22.36 x 19.88 x 26.81 Inches
19.47 pounds
Ratings for Graco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
3-in-1 car seat grows with your child from rear-facing harness (5-40 lb) to forward-facing harness (26.5-65 lb) to highback booster (40-100 lb)
Slim design with dual integrated cup holders that rotate away, making the seat 10% slimmer to save valuable back seat space
Top 27
Best for Safety 1st
Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High Back to Belt-Positioning Booster, High Back Seat for Kids 40-65, and Belt-Positioning 40-100 Pounds, Sunrise Coral
Safety 1st
BC208FXE
18.5 x 17.75 x 18.5 inches
8.0 pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
2 IN 1 BOOSTER FUNCTIONALITY: Safety 1st Grand 2-in-1 Booster Car Seat adapts as your child grows, from a forward-facing harness booster car seat (40–65 lbs., 43.4"–49") to a belt-positioning booster car seat with back for (40–100 lbs., 43.4"–52").
SLIM CAR SEAT DESIGN FITS 3 ACROSS: Great for large families or carpools, this 2-in-1 booster seat for forward-facing with harness and belt-positioning booster with high back is designed to fit three across in the back seat of most vehicles.
Top 28
Best Child Safety Booster Car Seats
Best for Chicco
Best for Spiderman
Best for Kids
Best for 5-Year-Old
Best for 6-Year-Old
Best for Portable
Best for Foldable
Chicco GoFit Backless Booster Car Seat, Travel Booster Seat for Car, Portable Car Booster Seat for children 40-110 lbs. | Shark/Black/Grey
Chicco
04079751230070
15.0 x 17.0 x 8.5 inches
5.0 pounds
- Manual: English
Ratings for Chicco (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
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.
Top 29
Best Convertible Child Safety Car Seats
Best for Diono
Best for Harness
Best for Slim
Best for Rear-Facing
Best for Travel
Best for Kids
Best for Airplane
Best for 1-Year-Old
Best for 3-Year-Old
Best for Black
Best for Portable
Best for Foldable
Best for Plane Cars Seats
Best for With Harness
Best for 3 In 1
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black
Diono
50620
16.0 x 17.0 x 28.5 Inches
23.016 pounds
- Unknown: English
Ratings for Diono (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
REAR-FACING FOR LONGER - Designed and engineered to keep your child rear facing even longer up to 50 lb, 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
Top 30
Best for Adult
Best for 2-Year-Old
Best for 3-Year-Old
Best for 5-Year-Old
Best for 6-Year-Old
Best for Black
Best for Foldable
Best for Lightweight
Best for Race
Best for Paw Patrol
Safety 1st Grow and Go 2-in-1 Booster Car Seat with ComfortWings, Converts High-Back to Backless, 19" Wide, Fits 3 Across, Lightweight, Foldable, Easy-Clean, Cup Holders, 40-100 lbs, Black Sand
Safety 1st
BC189HJV
13.79 x 17.33 x 13.79 inches
10.3175 Pounds
Ratings for Safety 1st (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
MADE FOR BIG KIDS The Grow and Go 2-in-1 Belt-Positioning Booster Car Seat featuring ComfortWings grows with your child and easily converts from a high-back belt-positioning booster (40–100 lbs. and 43.4"–52") to a backless booster (40–100 lbs. and 43.4"–57").
GROWS UP AND STRETCHES OUT With our innovative ComfortWing design, as the headrest rises, the backrest wings expand to 19" (total seat width) to ensure a comfortable fit for your fast-growing kiddo
Top 10 4-Year-Old Car Seats - Verified to Buy (September 2026)
- 1. Barbie x Graco Turbobooster 2.0 High Back Booster Seat, Belt...
- 2. Graco TurboBooster 2.0 Backless Booster Car Seat, Trisha
- 3. Cosco Kids Finale DX 2-in-1 Booster Car Seat, Forward Facing...
- 4. Safety 1st Grand 2-in-1 Booster Car Seat, Converts from High...
- 5. Baby Trend Hybrid SI 3-in-1 Combination Booster Seat, Hoboken Teal...
- 6. Graco TurboBooster 2.0 Backless Booster Car Seat, Barbie Painterly, Travel...
- 7. Safety 1st Grow and Go 2-in-1 Booster Car Seat with...
- 8. Safety 1st Boost-and-Go Essential 3-in-1 Booster Car Seat, Highback &...
- 9. Graco TurboBooster 2.0 Highback Booster Car Seat, Declan
- 10. Graco® TriRide 3-in-1 Reclining Car Seat, Kipling - Rear &...
Top 8 4-Year-Old Car Seats Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Graco
- Cosco
- Safety 1st
- Baby Trend
- Chicco
- bubblebum
- Evenflo
- Diono
Related 4-Year-Old Car Seats Guides
For more personalized 4-Year-Old Car Seats guides, Check those pages,
Age
Top 3 4-Year-Old Car Seats Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Piccolino Baby : 2,432 Yearly Feedback , Avg. Ratings 4.8
- 2. BubbleBum USA LLC : 918 Yearly Feedback , Avg. Ratings 4.8
- 3. Amazon.com : 386 Yearly Feedback , Avg. Ratings 4.7
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Piccolino Baby | 2,432 | 4.8 |
| 🥈 | BubbleBum USA LLC | 918 | 4.8 |
| 🥉 | Amazon.com | 386 | 4.7 |
[Get] 4-Year-Old Car Seats Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime 4-Year-Old Car Seats Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Car Seats supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best 4-Year-Old Car Seats to buy for new September 2026?
CherryPicks’s Methodology for Evaluating 4-Year-Old Car Seats
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Car Seats items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 106 of 4-Year-Old Car Seats reviews based on our selection criteria. It helped us shortlist the top qualified and rated 4-Year-Old Car Seats for Car Seats, We found that most customers choose 4-Year-Old Car Seats with an average price of $96.08, and the top brands are Safety 1st, Graco, Cosco, Evenflo, Baby Trend, Chicco And Diono.
Then our expert-level editors reviewed all those quality items and selected the top 30 4-Year-Old Car Seats for you, We have researched hundreds of sellers and picked the top sellers for Car Seats, including Amazon Resale, Piccolino Baby, BubbleBum USA LLC And Amazon.com. The Barbie x Graco Turbobooster 2.0 High Back Boost... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 5,089 consumers with an average rating of 4.6.
We've helped a lot of satisfied users get the right Baby product based on their needs, and save lots of time for them to pick 4-Year-Old Car Seats to buy.
Olivia Hobbs loves to travel, explore new areas and try out new food. She also loves to write and would be handling articles, guides, and reviews related to baby products. She is ethical and would only provide you reviews on products she has tried herself.