9 Best Car Seats For 4-Year-Olds in 2022


As a parent of a toddler, one of the most important things you should do is buy an appropriate car seat. So, if you have made up your mind for safe and secure car rides for your little one, it’s time to get the best car seat for a 4-year-old.

You need adjustable car seats such as booster seats or convertible car seats for a growing child. A good cart seat provides proper neck support and leg and side protection.

Keep scrolling as we bring you a list of car seats that you’d love to get for your four-year-old child. These car seats provide side-impact protection and are made of energy-absorbing materials to let you and the little one travel stress-free.

Types Of Car Seats

Below are the most common types of car seats available in the market.

  1. Convertible car seats: Convertible car seats are adaptable to a growing child. It includes rear-facing, forward-facing, and a booster seat.
  1. Combination car seat: All-in-one car seats or combination car seats are forward-facing. When your child outgrows the harness, they convert to a booster seat.
  1. Booster seats: These seats are suitable for children weighing more than 40 pounds. They come in two varieties, high back boosters or backless boosters. High back boosters have head and neck support, which is helpful for cars with low seatbacks. Backless boosters are ideal for cars that already have headrests and high back seats.

9 Best Car Seats For Four-Years-Old

1. Evenflo Chase Harnessed Booster

Evenflo Chase Harnessed Booster

Courtesy of Evenflo

This is a premium car seat with superior safety technology for children’s safe travel. Evenflo’s two-in-one combination car seat converts from a five-point harness to a belt-positioning car seat and can accommodate growing children. It is designed to protect children weighing 22 to 40 pounds in the harness position and 40 to 110 pounds in the belt position. Your child can easily access the drinks and snacks from the integrated cup holders attached to the sides. The car seat comes with a latch system for easy installation.


  • Easy harness adjustment
  • Accurate belt-positing paths
  • Removable head pillow
  • Machine-washable pad
  • Side impact tested
  • Lightweight


  • No instruction manual


2. Evenflo Maestro Sport Convertible Booster Car Seat

Suitable for toddlers aged two to eight years, this booster car seat comes with a five-point harness system. It has a shoulder seat belt guide to keep your child’s position in check and features two cup holders to keep snacks and drinks within reach. The seat is made with special care and attention to meet safety standards. Furthermore, this car seat has a forward-facing orientation with a latch installation type and a polyester build. The booster car seat is available in Whitney, Crestone peaks, Wesley, and Palisade shades.


  • Easy to clean
  • Lightweight build
  • Easy to install
  • Belt-positioning booster
  • Adjustable harness


  • May not have a reclining function


3. BubbleBum Inflatable Backless Booster Car Seat

BubbleBum Inflatable Backless Booster Car Seat

Courtesy of BubbleBum

If you are looking for a compact car seat ideal for carpooling, taxi rides, or family outings, BubbleBum’s inflatable backless booster car seat is the right choice. This car seat is constructed with high-quality memory foam for cushioned comfort and suitable for children weighing 40-100 pounds. The slim design offers a perfect fit for the middle seat. The rigid side clips secure the lap belt and do not irritate the bony portion of the child’s lap.


  • Portable seat
  • Easy to install
  • Comfortable to sit
  • Meets US safety
  • Lightweight


  • Could be difficult to inflate


4. Chicco KidFit Booster Car Seat

Chicco KidFit Booster Car Seat

Courtesy of Chicco

Chicco’s Booster KidFit toddler car seat features ten height-adjustable positions for growing children. It has high-grade latch connectors and a one-pull tightener, making it simple to install and remove. The side wings are made of energy-absorbing EPS material to protect your child from any impact. You can convert the two-in-one booster from high back to backless, and it can accommodate children weighing 40-110 pounds. You can check out this YouTuber’s review of the product if you require more convincing.


  • Ten different positions for growing children
  • Removable seat pads and armrests
  • Easy to clean
  • Integrated cup holders
  • Breathable fabric


  • The belt could be hard to pull


5. Diono Radian Convertible Car Seat

Diono Radian Convertible Car Seat

Courtesy of Diono

The Diono Radian convertible car seat is a three-in-one rear- and forward-facing car seat that can accommodate children up to ten years. The high-back booster seat mode is designed for children weighing up to 120 pounds. The car seat’s one-of-a-kind design is comfortable for the child. It has steel-reinforced cup holders for the long-distance pleasure of having snacks and drinks.


  • High back booster
  • Rear-facing for longer
  • Reinforced steel core
  • Easy to clean
  • Easy-to-use buckles


  • Could be difficult to install


6. Chicco MyFit Booster Car Seat

Chicco MyFit Booster Car Seat

Courtesy of Chicco

Chicco’s MyFit booster car seat converts from a five-point harness to a belt-positioning booster. It has a steel-reinforced frame and a padded duo-guard for side impact protection. These convertible car seats are ideal for a growing child because they have four reclining positions and nine adjustable headrests. The belt-tightening system with premium latch connectors makes installation simple.


  • Durable
  • Wide range of adjustment
  • High-impact protection
  • Triple foam padding
  • Integrated cup holders


  • Heavy in weight


7. Mifold Hifold Booster Seat

Mifold Hifold Booster Seat

Courtesy of Mifold

This is the most adjustable booster seat with 243 individual settings designed to support children weighing 40-100 pounds. This Mifold compact seat folds down to a convenient size for easy storage and transportation. It has four-point adjustments for the seat, body, head width, and height to provide additional protection for your growing child. It is made of high-quality foam for maximum impact resistance.


  • Easily adjustable
  • Portable
  • Keeps child secure
  • Safety tested
  • Lightweight
  • Easy to install


  • May not be sturdy


8. Kneeguard Kids Car Seat

Kneeguard’s travel car seat footrest is specifically designed for the child’s added sitting comfort. The footrest has a height control bar that allows for an adjustable height position to accommodate a toddler booster seat. The footrest is simple to attach to the latch behind the seat or with hooks that slip under the car seat.


  • Compatible with all car and booster seats
  • Medically approved
  • Easy installation
  • Crash tested
  • Foldable footrest


  • Occupies a lot of space


9. Diono Monterey Positioning Booster Seat

This two-in-one booster car seat easily converts into a backless seat. The reinforced aluminum sides, ergonomic design, and energy-absorbing EPS foam keep your child safe. You can adjust the headrest to 11 different positions for your child’s convenience and comfort. It can support children weighing 40-120 pounds.


  • Lightweight
  • Expandable booster seat
  • Side cup-holders
  • Convertible


• The seatbelt may not retract fully


How To Choose The Right Car Seat For A Four-Year-Old?

Here are a few crucial points to consider when shopping for a car seat for a four-year-old.

  1. Weight and height: Consider the child’s weight and height rather than age because every child has a different size requirement. A booster seat is ideal for children under eight and weighing 80-100 pounds.
  1. Convertible: Purchase a car seat that can accommodate a growing child. Convertible car seats are the best because they can adapt to a child’s rapid growth.
  1. Measure car rear seats: Buy a car seat based on the size of your car’s second row of seats. If you have a compact car, ensure there is enough room for other passengers after installing the seat.

Why Trust MomJunction?

Our team of experienced writers and editors use their analytical skills and a systematic approach to go through various website reviews and pick the products with the highest user ratings and reviews. We have used this approach to create this list of the best car seats for four-year-olds including high-quality, durable products with optimal safety features. This article also explains the types of car seats and how to choose the right one for your child.

Frequently Asked Questions

1. Are booster seats safe for four-year-olds?

A harnessed car seat is preferable to a booster seat for a four-year-old. Booster seats may be appropriate if the child meets the height and weight requirements, but a booster seat could still be a less safe option.

2. Can a four-year-old use a backless booster seat?

A backless booster seat may not be a safe choice because of a four-year-old’s low body weight. It may cause an untoward movement during impact, increasing the risk of injuries.

Choosing the right car seat is paramount to ensure your child’s safety through a drive. Before making a choice, check whether it is convertible, accommodates your child’s weight and height, and measures the car’s rear seat. Car seats are usually lightweight and expandable; however, the seatbelt may not retract completely. Compared to a booster seat, a harnessed car seat is preferred for four-year-olds as they provide more safety and support.

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Vibha Navarathna

Vibha is a coder turned content writer. She holds a Masters degree in Computer Applications from Osmania University, Hyderabad and a certificate in 'Introduction To Child Psychology'. Her passion for writing fresh and informative content made her a full-time writer. Holding certifications in content writing and creative writing, she writes on electronics, baby and health products for MomJunction. Apart from... more