Narrowest Booster Seats on the Market

If you are looking for a narrow booster seat, you have come to the right place. Are you wondering which is the narrowest booster seat for 2019 that can fit 3 across in the back? It can be a challenge to fit multiple car seats in the back, even if you have a large SUV or minivan.

Below are some of the narrowest booster seat on the market for 3 in a row:

Narrow High Back Booster Seat

Maxi-Cosi RodiFix Booster Car Seat

The RodiFix Booster by MaxiCosi fits children from 40-120 pounds. It’s a slim booster seat, and one of the narrowest booster seats measuring 12 inches wide at its base  and 19.5 inches at its widest point, so you can fit 3 across in the back of your vehicle. It features Air Protect for superior side impact protection around your kid’s head. The RodiFix Booster has no arm rests, which make it easier to get your child buckled in, and it fits well next to wider seats. Its belt routing system is easy enough to learn that children can buckle themselves in. RodiFix has LATCH connectors that hold the seat in place when the seat is not in use. This prevents the seat from turning into a projectile in the event of a collision. The LATCH is just to hold the seat in place; your child will be secured by a seatbelt.

The seat features front-access recline system, which allows seat and seatback to recline for comfort and better fit to vehicle. This belt-positioning booster also features a multi-height headrest and expanding side wings that grow with your child. The stylish, premium fabrics are plush, comfortable, and self-wicking to help deodorize and draw liquids away from the skin. The RodiFix is quite expensive compared to many other boosters, but its premium features may be worth the price!

Diono Radian RXT All-In-One Convertible Car Seat

The Diono RadianRXT  is an all-in-one convertible car seat that accommodates your child in the rear-facing position from 5-45 lbs, in the forward-facing position with a 5-point harness from 20-80 lbs, and in booster mode up to 120 lbs. They are the only all-in-one car seats with a full steel frame, making them one of the safest and narrowest car seat on the market today. The seat is only 17 inches wide, so you can fit 3 of these car seats across in most mid-sized vehicles. It is narrower than Diono’s other convertible/boosters. The Pacificia, Rainier and Cambria are all 18 inches wide. If you are parents of triplets or 3 children, you might want to try this seat out.

Britax Parkway SGL G1.1 Belt-Positioning Booster

The 18-inch-wide Parkway SGL fits children from 40 to 120 pounds and is Britax’s safest belt- positioning booster seat with SafeCell Impact Protection and an extra layer of side impact protection. This narrow car seat features ISOFLEX Latch connection system that secures the booster to your vehicle when it’s not in use so it doesn’t go flying during a collision. The Parkway SGL has a deep energy-absorbing shell and foam-lined headrest that make up 2 layers of protection to protect your child from side impacts. Another smart feature is its SecureGuard Belt-Positioning Clip that keeps children from sliding under the lap portion of the seatbelt in the event of a crash.

Graco Highback Turbobooster Car Seat

The Graco High Back TurboBooster child car seat is one of the narrowest high back booster that fits children from 30 to 100 pounds. It easily converts to a backless booster so that you can use it for longer as your child grows. At just 16.5 inches wide, it can easily fit into small spaces. The cup holders fold into the seat when you need extra room. This toddler car seat booster features a multi-layer head rest and wide, padded armrests for extra support and comfort. The open-loops belt guides help to position your car’s seatbelt, making it easier for your little one to self-buckle. It is one of the most popular booster seats and is very affordable.

CYBEX Solution X-Fix Infant Booster Car Seat

This 18.5 inch wide booster fits riders from 33 to 100 pounds and from 38 to 60 inches tall. it has LATCH connectors that keep it secured to the vehicle when it’s not in use. The seat can also be used in vehicles without LATCH. It features a patented three-position reclining headrest that prevents the child’s head from tipping forward during sleep. It also keeps the child’s head in the Safety Zone in the event of a side impact collision. There’s 11 position height adjustments, perfect for your growing child. Its padded arm rests allow your child to sit comfortably and help keeping the lap belt in a low and secure position. The seat’s back cannot be removed so it can only be used as a highback booster seat, not a backless seat.

Narrow Backless Booster Seat

Following are three narrow backless booster seats.

BubbleBum Inflatable Booster Seat

Bubblebum is one of the slimmest car seat on the market. This inflatable booster seat is only 13 inches wide so you can easily fit three car seats across the back seat. It fits children from 40 to 100 pounds. In less than a minute, this blow-up booster transforms from a small pouch to a booster seat for kids. It is foldable and portable, making it great for travel, car rentals, taxis, carpools, and caregivers. When it is deflated, it easily fits into a handbag or backpack. Bubblebum booster seat can fit in the center seat of your 3-across installation even when nothing else seems to fit.

Graco Affix Backless Booster

The Graco Affix Youth Booster is a slim backless booster seat that fits children from 40 to 100 pounds and up to 57 inches tall. There is a front adjustment that allows you to easily and quickly tighten the booster to the vehicle seat. There is a secure LATCH connection system that keeps the booster seat steadily in place when the seat is not in use and helps facilitate independent buckling. Keep in mind that the LATCH is to secure the booster to the vehicle seat while the booster is unoccupied and you will need to secure your child in the booster seat with the car’s lap/shoulder belt.

Graco Backless TurboBooster Car Seat

As mentioned above, the Graco Backless TurboBooster is a narrow car seat. You can purchase the High Back TurboBooster seat and convert it to a backless booster so that you can use it for longer as your child grows. In the backless mode, it fits children from 40 to 100 pounds and up to 57 inches tall. It features padded, height-adjustable armrests and hide-away cup holders.

These are some of the top narrow car booster seats.