10 Best Car Booster Seats 2026 in the United States

The Graco 4Ever DLX 4-in-1 car booster seat is designed to grow with your child from infancy up to around 10 years old, making it a versatile choice if you want one seat that lasts through multiple stages. It can be used as a rear-facing seat for babies, then forward-facing for toddlers, and later as both a highback and backless belt-positioning booster for older kids up to 52 inches tall and 65 pounds. Installation is straightforward with the InRight LATCH system and integrated belt lock, helping secure the seat safely in most vehicles.

Adjustability is a strong point here, with a Simply Safe Adjust harness system that changes height in one smooth motion across 10 positions, plus six recline options to keep your child comfortable on longer rides. Safety-wise, Graco’s ProtectPlus engineering aims to protect in frontal, side, rear, and rollover crashes, which is reassuring for peace of mind. Cleaning is easy thanks to the RapidRemove cover that comes off quickly without uninstalling the seat and is machine washable.

The seat weighs about 23 pounds, which might be a bit heavy if you plan to move it often between cars. Also, while the multiple modes are a big advantage, they may require some time to get used to when switching between configurations. This seat suits families looking for a long-term, all-in-one solution with strong safety features and good comfort, but those wanting a lightweight or very simple booster might find it bulky or complex.

The Graco Tranzitions 3-in-1 Harness Booster Car Seat is a versatile option that grows with your child through three stages: from a forward-facing harness seat for toddlers (26.5 to 65 pounds), to a highback booster, and finally a backless booster for older kids up to 100 pounds and 57 inches tall. This means you can use the same seat for many years, which is convenient and cost-effective. One of its helpful features is the No-Rethread Simply Safe Adjust Harness System, allowing you to adjust the headrest and harness together with one easy motion, making it simple to keep the seat properly fitted as your child grows. It also offers nine headrest positions to fine-tune comfort and safety.

Installation uses the LATCH system, which is generally straightforward for most parents and keeps the seat securely in place. The seat is relatively lightweight at 15 pounds, making it easier to move between vehicles if needed. Safety-wise, it includes a 5-point harness for younger children, which is a solid choice for keeping them secure. The cover is made from polyester and is machine washable, which helps with easy cleaning after spills or messes.

On the downside, while this seat transitions from harness to booster, the minimum weight for the booster phase was recently raised to 40 pounds, so it may not fit smaller kids right away when switching modes. The seat's forward-facing design means it’s not for infants or rear-facing use, so it’s best suited for toddlers already ready to face forward. Also, some users might find the seat a bit bulky compared to simpler booster seats, and the nine recline positions may not provide a fully flat option for naps on the go. This Graco booster is a solid choice for parents looking for a long-lasting, adjustable seat that covers many growth stages with straightforward installation and cleaning.

The Graco TurboBooster 2.0 Backless Booster Car Seat is designed for older kids between 4 to 10 years old, weighing 40 to 100 pounds and up to 57 inches tall. It uses the vehicle's seat belt for installation, which is typical for booster seats as they don't have their own harness system. Its standout safety feature is the Graco ProtectPlus Engineered system, ensuring the seat meets or exceeds strict U.S. crash safety standards. This makes it a reliable choice for parents prioritizing safety.

Comfort-wise, the seat includes adjustable armrests and hidden cup holders, which are useful for keeping drinks and snacks handy. Its modern design may appeal to kids, encouraging them to stay seated properly. The seat pad is machine washable, making cleanup easier for busy parents, though care must be taken to avoid bleach.

The seat does not have latch anchors and relies solely on the car’s seat belt, which can make installation less straightforward compared to seats with latch systems. Also, as a backless booster, it may not provide the same side-impact head protection as high-back boosters, which could be an important consideration depending on your vehicle and child’s needs. This booster seat is a solid choice for parents seeking a safe, easy-to-clean, and portable option for older children who need a boost for proper seat belt fit.