At the age of 4, your child has developed a lot, both cognitively and physically. They can do many things independently, including dressing, fastening buttons, and pulling up a zipper. Therefore, it is vital that when you select items like a car seat for 4-year-olds, you consider products that allow the child to explore and learn by doing some things independently. 

I spent some time looking for car seats for 4-year-olds. Based on safety features, price, and customer reviews, I’ll review the most popular options for 4-year-olds. After extensive research and testing dozens of car seats, I have selected the Ride Safer Travel Vest, Wayb Pico, Graco Tranzitions SnugLock Harness Booster, Chicco NextFit Zip Max Convertible, and Evenflo Maestro Booster since they are among the most reliable and widely used models.

When I look for the best car seats in any category, I know that raising children can be hectic, so anything that simplifies my daily routine is a game-changer. Therefore, the car seats I present in this review all have the common ease-of-use feature. Installation and customization are simple because of their user-friendly features and innovative designs.

I am confident that you will discover the right fit for your child’s safety and comfort among these great car seats.  

Criteria for Selecting the Best Car Seat

When I selected the seats I present in this review, I considered several factors, including the following. 

  • Safety: For me to consider a care seat great, it should have passed ECE R44 or UNr 129 safety standards. ECE R44-approved car seats have been crash-tested in both the forward- and rear-facing positions, while UNr 129-approved seats are tested explicitly for side impact. 
  • Installation: Choose a car seat that fits securely in your vehicle and is simple to install. If feasible, get help from competent employees throughout the selection process.
  • Compatibility: To guarantee a suitable fit and the correct usage of seat belts and connections, test the seat in your automobile before making a final selection. Consider whether you can use the car seat in different vehicles.
  • Comfort: Ensure the car seat has enough cushioning, adjustable headrests, and soft fabric. Consider features like reclining positions and additional padding, particularly on long trips.
  • Maintenance and durability: Ensure the seat cover is removed and washing machinable and detachable for convenience. Inspect the seat cover to see whether it can tolerate frequent usage and is stain and spill resistant.
  • Easy to use: Consider how simple it is to use the car seat. Concerning this factor, I consider features such as harness holders, mechanics needing only one hand to adjust, and clear instructions.
  • Brand reputation and reviews: Research trustworthy brands recognized for their dedication to quality and safety. To learn more about the functionality and usability of specific car seat models, I read reviews by other parents and look at recall history. 
  • Longevity and flexibility: I prefer a car seat that can grow with my kid. So, I prefer car seats that can change from rear-facing to forward-facing
  • Budget: A good car seat provides the most features for the lowest price. So, when I choose a car seat, I set a financial range and seek one that balances cost and quality. 

By carefully considering these factors, you may choose the best car seat that matches your child’s unique demands and offers maximum safety and comfort on every trip.

Overall Best: Even flo Maestro Booster Car Seat

When your child has outgrown their rear-facing seat but is still too young to ride without a safety seat, the Evenflo Maestro booster car seat is dependable and cost-effective. The harnessed booster mode supports children weighing between 22 and 65 pounds. The belt-positioning booster mode supports those between 40 and 110 pounds, making this an exceptionally durable purchase. 

The low price of the Evenflo Maestro is one of its best-selling points. If you buy the seat but eventually don’t like it, you can take advantage of’s voluntary 30-day return guarantee:


Let’s take a closer look at the Evenflo Maestro booster car seat’s top-notch features:

  • It offers four harness slot configurations to accommodate your child’s growth.
  • Two different crotch buckle placements on the seat for your child’s convenience.
  • Unique LATCH work with the seat in booster mode for up to 50 pounds.
  • Triple-layered cover specially developed for superior comfort and long life. 
  • Machine washable cover.
  • Two built-in cup holders, perfect for keeping your child’s favorite drinks and snacks close at hand.
  • Storage is built to hold the harness and LATCH connectors when not used.
  • Under 12 pounds and 19 inches broad, making it simple to install and adapt to any space in the rear of your vehicle.

The Evenflo Maestro is an excellent option for parents looking for a secure child car seat for a 4-year-old. It is reliable and convenient because of its comfy design and added features like cup holders and harness storage. It’s also an intelligent choice because it works with many different kinds of cars. 


Here are the specifications of the Evenflo Maestro Booster Car Seat

Weight rangeForward-facing harness: 22 – 50 lbs. 

Highback booster: 40 – 110 lbs.

Height rangeForward-facing harness: 28 – 50 in. 

Highback booster: 43 – 57 in.

Dimensions (W x D x H)18.5 in x 16.5 in x 27.5 in.
Seat weight11 lbs.
InstallationLATCH system and vehicle belt.


Pros and Cons

To help you make an informed decision, here are the pros and cons of the Evenflo Maestro booster car seat: 


  • Affordable
  • Headrest with a soft pillow that gives the youngster more comfort and support
  • Two cup holders
  • Seat covers are easy to clean
  • Fits any position in the back seat
  • The seat cover has three layers of superior protection.


  • A child’s neck may experience some rubbing from the harness straps.
  • Insufficiency of the height range for booster mode
  • Difficulties in achieving uniformly tight harnesses
  • Headrest is not adjustable.
  • Threads must be rethreaded to change the height of the harness. 
  • Challenging to install a LATCH system

Pricing and Where to Buy

Affordably priced at just $99, the Evenflo Maestro is among the best booster car seats for 4 years old. It’s widely available on the web, notably on Amazon, making it a good choice for families with tight budgets.

Best For Lengthy Car Rides: Chicco KidFit Booster Seat

Another solid option is the Chicco KidFit booster car seat for age 4. This booster has several features to keep kids safe and comfortable on long rides. The Chicco KidFit Booster Seat has been designated as the by the Insurance Institute for Highway Safety designated this seat the Best Bet. Its solid construction and successful crash testing instill trust.

The DuoZone side-impact protection system and height-adjustable headrest and shoulder belt placements provide peace of mind for parents as their children develop. 

The KidFit booster is the best option for lengthy car rides because of its plush padding and ergonomic design. Installation is simple, thanks to the LATCH system. If you want to give your child a safe and fun ride, the Chicco KidFit booster car seat is a good option.


KidFit, like other Chicco products, prioritizes safety while providing convenient features that make car rides more enjoyable for both the child and the passenger. Here are the seat’s main features.

  • Superior protection from potential collisions thanks to its DuoZone head and shoulder protection 
  • Quick installation of the LATCH system because of the SuperCinch tightener 
  • Extra padding and contoured shape 
  • Superior support and comfort.
  • It can quickly and easily transform into a backless booster seat. 
  • The padding and armrest coverings are removable and machine washable.
  • Two removable and flexible cup holders


Below is the table containing the Chicco KidFit car seat specifications.

Weight rangeHighback booster: 30 – 100 lbs 

Backless booster: 40 – 110 lbs

Height rangeHighback booster: 38 – 57 in 

Backless booster: 38 – 57 in

Dimensions (W x D x H)Base width: 17 in (with cup holders collapsed) 

Back width: 19 in (at shoulder height) 

Seat depth: 14 in

Belt guide positionsRange of belt guide positions: 13 – 19.5 in
Seat weight10.2 lbs
InstallationLATCH system and vehicle belt
Safety ratingsRated as the Best Bet by IIHS (Insurance Institute for Highway Safety)

Pros and Cons

Before making a purchase, consider the following benefits and drawbacks of the Chicco KidFit booster seat:


  • Adjustable back with ten height positions.
  • Easy installation and buckling for kids.
  • Converts to a backless booster.
  • Reclines in 2 positions to fit different seats.
  • Machine washable seat pad and armrest covers.
  • Removable, collapsible, and dishwasher-safe cup holders.


  • LATCH attachments may not work well in some cars.
  • A seatbelt is needed to secure a seat in highback mode, even when not in use.
  • Potential fit issues with vehicles with hard-to-move or unmovable headrests.
  • The highback portion may feel flimsy when carrying or rattle when the seat is empty.

Price and Where to Buy?

The Chicco KidFit Booster Seat is available on Amazon for the low price of $99. This child seat for a child aged 4 is one of the safest, most comfortable, and reasonably priced options.

Best For Safety: Diono Monterey 4DXT Latch Booster

The Diono Monterey 4DXT Latch booster is a superior car seat for a child aged 4 and above. This booster seat is stylish and modern, providing maximum protection for your child. Its height and weight ranges are between 38 and 63 inches and 40 and 120 pounds. 

The Monterey 4DXT ensures a secure and comfortable fit. Your child will be safe in the seat since it has three levels of side impact protection: foam, a molded shell casing, and an EPS layer.


Monterey 4DXT has many valuable features and safeguards to ensure your child travels safely and comfortably.

These include:

  • Eleven adjustable headrest positions offer the best comfort and safety as your child develops. 
  • Carefully designed contoured base makes reaching the seat belt for buckling simple and promotes independence. 
  • Offers additional protection and prevents slipping because of its deep base and side wings.
  • Exoshell panels on the Monterey 4DXT allow for good airflow and preserve a cozy interior. Longer journeys are made more enjoyable for your child by the soft memory foam fabric’s touch of luxury and comfort.
  • LATCH system simplifies installation 
  • Optimal guarantee settings for the shoulder and lap belts 
  • The deep, swiveling cup holders prevent spills 
  • This compact and lightweight booster seat folds flat when not in use. 
  • A one-year limited guarantee covers the booster seat.

The Diono Monterey 4DXT Latch Booster has been a dependable and comfortable booster seat for 4-year-olds because of its exceptional safety features, adaptable design, and elegant looks. Putting your child in this car seat will ensure their safety and comfort.


Here is an outline of the Diono Monterey 4DXT Latch Booster specifications: 

Age range4 years and above
Height range38-63 inches
Weight range40-120 pounds
Side impact protection3 layers of protection
Adjustable headrest11 positions
Base designContoured and narrowed
Seat reclineYes
Breathable panelsExoshell panels for airflow
FabricPlush memory foam
Cup holdersSwiveling and deep
InstallationLATCH system and seat belt guides
WeightLess than 17 pounds
Warranty1-year limited manufacturer’s warranty

Pros and Cons

To better assist you in deciding, let’s examine the benefits and drawbacks of the Diono Monterey 4DXT Latch Booster.


  • 11-position adjustable headrest
  • Headrest adjusts with a single hand
  • Easy installation
  • The contoured and narrowed base for easier buckling
  • 3 layers of side impact protection
  • Exoshell panels for increased breathability
  • Swiveling and deep cup holders
  • Lightweight and foldable for easy transportation


  • Limited one-year warranty

Price and Where to Buy

Priced at just $199, the Diono Monterey 4DXT Latch booster offers incredible value because of its many valuable features. This premium booster seat is available on Amazon, making for a stress-free online purchase. This is your chance to give your kid the best of everything: protection, convenience, and good taste.

Best Versatile and Easy to Use: Graco Tranzitions SnugLock Car Seat

The Graco Tranzitions SnugLock car seat is an excellent choice because it can be easily adjusted to fit your child at each stage of development. Children between 22 and 65 pounds and between 27 and 49 inches may utilize the car seat in harness mode. Keep your kid in a rear-facing car seat for as long as possible.

Peace of mind comes from knowing your child is safe since the SnugLock technology makes installation simple and secure. The Graco Tranzitions SnugLock provides a personalized fit and supreme comfort with its adjustable harness and several recline modes. This car seat is an excellent long-term investment because you can use it longer as your child develops.


  • It ensures a snug and secure fit whether you fasten it with a seat belt or the LATCH strap, providing peace of mind on every trip.
  • 5-point forward-facing harness seat for kids between 27 and 49 inches and weighing 22 to 65 pounds.
  • Highback booster is appropriate for kids between 40 and 100 lbs. and 43 and 57 inches. 
  • It converts into a backless booster, offering kids in the same weight and height range a cozy, secure seating alternative.
  • It keeps the harness out of the way when you buckle and unbuckle your child, simplifying getting them in and out of the seat. 
  • The nine-height positions and no-rethread harness offer a perfect fit for your developing child so they may ride safely and happily.
  • Two-cup compartments offer a convenient spot to store drinks and snacks. 
  • The machine-washable, detachable cover makes cleaning simple.
  • FAA has approved it for usage in harnessed mode.

The Graco Tranzitions SnugLock is an excellent convertible booster car seat for kids aged 4. The three-stage functionality and patented SnugLock technology guarantee a safe installation for your child at any age.

This car seat is an excellent alternative for parents looking for a comfortable and dependable solution for their child’s travel due to its attention to safety and other convenience features.


The table below summarizes the Graco Tranzitions SnugLock’s essential specifications.

Car seat typeForward-facing.
Weight range22 – 100 lbs.
Height range27 – 57 inches.
Recommended age4 years and above.
InstallationSnugLock (seat belt or LATCH).
Harness system5-point harness.
Harness positions9 height positions.
Convertible modesForward-facing, highback booster, backless booster.
Weight of car seat15.1 lbs.
Lifespan7 years from the date of manufacture.

Pros and Cons

Here are the advantages and drawbacks of the Graco Tranzitions SnugLock car seat.


  • SnugLock installation for secure and easy setup
  • Versatile 3-in-1 design for extended use
  • Hassle-free harness keeps the harness out of the way during entry and exit.
  • Multiple height positions for optimal fit
  • Two built-in cup holders for convenience
  • Removable and machine washable cover
  • Meets all applicable safety standards


  • Limited to forward-facing use only
  • It does not convert to a rear-facing seat
  • Relatively heavier compared to some other models
  • No recline feature for added comfort

Price and Where To Buy

For families searching for a dependable and adaptable car seat for their child, the Graco Tranzitions SnugLock is cost-effective at $139. The car seat is widely accessible to buyers looking for a high-quality car seat at a fair price.

Best for Portability: Wayb Pico Car Seat

If you want your 4-year-old to have a pleasant and safe car ride, the Wayb Pico car seat is among the best options. This portable and lightweight booster seat is ideal for youngsters of this age, as it offers a snug fit and correct alignment. It satisfies all applicable safety standards. If you invest in a Wayb Pico car seat, you can relax and enjoy the ride.


  • Can be folded to an incredibly compact size, making it convenient for travel and storage.
  • Light weight of 8 pounds makes it easy to bring along on any trip, whether on a plane, train, or car. 
  • Installation uses either the LATCH system or the seat belt.
  • Authorized for airplane use by the Federal Aviation Administration (FAA).
  • Cool and comfortable, thanks to the ASTROKNIT™ mesh material.
  • Combines long life with low environmental impact, thanks to its construction from recyclable aerospace-grade aluminum.

The Wayb Pico car seat’s small dimensions and light weight make it perfect for regular travelers, and the simple installation guarantees a tight fit in various vehicles. The breathable design increases comfort, and the long-lasting materials provide assurance. 


For a summary of the Wayb Pico Car Seat’s specifications, see the table below:

SpecificationWayb Pico Car Seat
Age range1 year and older (recommended 2)
Weight range22-50 pounds (approx. 10-23 kg)
Height range30-45 inches (approx. 76-114 cm)
Seat width14.75 inches (37.5 cm)
Seat height22.75 – 27.75 inches (57.8 – 70.5 cm)
Seat depth15.25 inches (38.7 cm)
Harness height16.5 inches (41.9 cm)
Seat weight8 pounds (3.6 kg)
MaterialASTROKNIT™ mesh, aluminum frame
Installation methodLATCH system, seat belt
FAA approvedYes

Pros and Cons

Let’s examine the advantages and disadvantages of the Wayb Pico Car Seat so you can make an informed choice:


  • Compact and lightweight design
  • Foldable for easy storage and transport
  • Suitable for travel and on-the-go use
  • Easy installation with the LATCH system or seat belt
  • Breathable mesh material for enhanced comfort
  • FAA approved for in-flight use


  • Higher price compared to competitor car seats
  • Limited recline options, not ideal for napping
  • Straps may not be as soft as other car seats
  • Short crotch buckle length
  • Less head support for sleeping

Price and Where to Buy

The Wayb Pico car seat costs $495 and is available at Amazon. 

Comparison Chart

The table below compares and contrasts several popular car seats, including the Wayb Pico, Graco Tranzitions SnugLock t, Diono Monterey 4DXT, Chicco KidFit, and Evenflo Maestro. This makes comparing these car seat options quick and straightforward.

Car Seat ModelWayb Pico Car SeatGraco Tranzitions SnugLockDiono Monterey 4DXT Latch BoosterChicco KidFit Booster SeatEvenflo Maestro Booster Car Seat
Age range2 to 5 years3 years and older4 years and older4 years and older2 years and older
Weight range22-50 pounds22-65 pounds40-120 pounds30-100 pounds22-110 pounds
Height range30-45 inchesUp to 57 inchesUp to 63 inchesUp to 57 inchesUp to 57 inches
InstallationLATCH or seat beltSnugLock technologyLATCH or seat beltSuperCinch LATCHLATCH or seat belt
FAA approvedYesYesNoNoNo
ProsConvertible, affordableCan be used with inflatable seat beltsConverts to a backless booster?
Size and portabilityCompact and lightweightCompact and portableAdjustable height and widthAdjustable backLightweight and portable design
Easy installationQuick and convenientSnugLock technology for installationEasy LATCH or seat belt installationQuick LATCH or seat belt installationEasy LATCH or seat belt installation
Adjustable featuresAdjustable headrestAdjustable headrest and side wingsAdjustable headrest and side wingsAdjustable headrestAdjustable harness height
SafetySide-impact protectionSide-impact protectionSide-impact protectionSide-impact protection
ConsExpensiveNo usable connectorsOnly one year warrantyWidest seat bottomHarness must be re-threaded
Limited AdjustabilityUnmovable headrestNo headrest adjustment


Safety, ease of use, and comfort are the most important factors when picking the best car seat for a 4-year-old. After thoroughly deliberating the available options, my top recommendations are the Wayb Pico, Graco Tranzitions SnugLock, Diono Monterey 4DXT Latch Booster, Chicco NextFit Zip Max, and Evenflo Maestro.

These car seats stand out for their exceptional impact protection, repositionable harnesses, and safe installation methods. They offer a secure and trustworthy traveling experience because their manufacturers make them with your child’s safety in mind. These car seats provide convenience and ease of use along with safety features. They are user-friendly and adaptable to various vehicles and lifestyles thanks to features like adjustable headrests, removable and washable covers, cup holders, and compact designs.

Notwithstanding my reviews above, the ideal car seat depends on your requirements, tastes, and budget. Take the time to weigh each option’s advantages and disadvantages and decide in the best interest of your child and family. Remember that prioritizing your child’s safety is crucial, and purchasing a reliable and suitable car seat indicates this consciousness.


  • What car seat can I use for my 4-year-old?

The Wayb Pico, Graco Tranzitions SnugLock, Diono Monterey 4DXT Latch Booster, Chicco NextFit Zip Max, and Evenflo Maestro are among the most reputable car seats. The perfect option for your needs is out there, but you need to know what those needs and your budget are before you start looking. You can choose an ideal car seat for your child based on your preferences and requirements.

  • What size seat does a 4-year-old need?

Usually, a 4-year-old requires a seat between 61 to 105 cm in height.

  • When should I change my 4-year-old car seat?

Before your child is 4, consider upgrading to a seat with a harness rated for greater weight and height.

  • How much should a 4-year-old weigh in a car seat?

Children who weigh 40–65 pounds (depending on the model) can ride forward-facing in a harnessed seat, whereas children who weigh up to 100–120 pounds (again, depending on the model) can ride in a booster seat without a harness.


Welcome to my car seat blog! As a mom of 3, I put together with other hard-working moms a highly informative one-stop car seat resource, full with many reviews and buyer guides. I hope you find it invaluable. Thank you for trusting me & my team! - Keren

Keren Simanova

Welcome to my car seat blog! As a mom of 3, I put together with other hard-working moms a highly informative one-stop car seat resource, full with many reviews and buyer guides. I hope you find it invaluable. Thank you for trusting me & my team! - Keren