But there are some car seats that can accommodate three kids, even if they are all in car seats, because they are larger than average. And some of these car seats can even work for twins.
Here’s what to look for when shopping for the best car seats for 3 across.
Our Editor’s Best Car Seats For 3 Across Reviews
Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Pink Blossom
Key Features:
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This car seat is designed to keep your child rear facing up to 50 lb / 22.7 kg, approx. 4 years old.
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This seat is for a child from birth to booster, up to 120 lb / 54 kg. It has four ways to travel, and adapts as your child grows to offer a custom fit.
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This car seat is designed to be used by three people at once, with each seat having a steel core that is designed to be durable and protect the person sitting in it.
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The Radian 3 Across is a car seat that can accommodate three children across the backseat of a vehicle. It is designed with a slim profile to allow for more space in the vehicle, and features a convertible design that allows for use as a booster seat or a traditional car seat. The seat also includes a safety harness to keep children secure.
Graco SlimFit3 LX 3 in 1 Car Seat | Space Saving Car Seat Fits 3 Across in Your Back Seat, Kunningham
Key Features:
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The car seats are designed to fit three across in a vehicle, saving space in the back seat. The seats have all the safety features you would expect, including a five-point harness and headrest.
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This car seat is for a child from 5-100 lbs. It is a 3-in-1 car seat that starts as a rear-facing harness, then converts to a forward-facing harness, and then to a highback booster.
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This car seat is 16.7 inches wide and is designed to be comfortable for your child while also taking up less space in the back seat.
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This car seat is designed to protect children in a variety of different types of crashes. It has been rigorously tested to ensure its safety and effectiveness.
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This car seat has a 10-position adjustable harness system that allows the headrest and harness to adjust together, making it safe and easy to use.
Baby Trend Trooper 3-in-1 Convertible Car Seat, Moondust (CV01C87B)
Key Features:
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This car seat is for infants, toddlers, and young children up to 65 pounds. It has three modes: rear facing infant mode (4-18lbs), rear facing toddler mode (18-40lbs), and forward facing toddler mode (22-65lbs).
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This car seat is designed for ease of installation in a vehicle, with a rear-facing recline and a flip-down foot for added stability. The built-in bubble level indicator helps ensure that the seat is installed at the correct angle.
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This car seat is 16.75″ wide, allowing it to fit three across in most vehicles.
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This car seat is adjustable to fit a range of different body types. The shoulder height can be adjusted to five different positions, and the crotch buckle can be adjusted to three different positions. This allows the seat to be customized for a comfortable and safe fit.
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This car seat is designed to be used by three people sitting side-by-side. It has deep side wings for better protection against side impact collisions.
Graco TriRide 3 in 1 Car Seat | 3 Modes of Use from Rear Facing to Highback Booster Car Seat, Clybourne
Key Features:
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This car seat is meant for a child from 5-100 lbs. It grows with your child from a rear-facing harness, to a forward-facing harness, to a highback booster.
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This car seat is designed to protect your child in the event of a frontal, side, rear, or rollover crash.
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This car seat is designed to be used by three people sitting across from each other. It has a No-Rethread Simply Safe Adjust Harness System that allows the headrest and harness to be adjusted together in one motion.
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This car seat is adjustable to accommodate a growing child. It has 10 positions for the headrest to ensure a safe and comfortable fit.
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This car seat is able to recline in 6 different positions, making it more comfortable for your child. It is also easier to install.
Diono Radian 3RXT, 4-in-1 Convertible Car Seat, Rear and Forward Facing, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Fit 3 Across, Black Jet
Key Features:
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This car seat is for a shopper who is looking for a convertible car seat that will last for 10 years. The seat can be used in both rear and forward facing positions, and can accommodate a child from 2.2 to 54 kg.
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This product is a car seat that is meant to be installed in the rear of the car, facing the back. It is designed for use by children from 5 to 50 pounds, and comes with a wedge to protect smaller infants.
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The car seats are easy to adjust with one hand and have 12 different positions for the headrest. This makes it safe and comfortable for rear facing, forward facing, and booster seat modes.
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The car seats are designed to be used in a car with three seats across. The seats are made from a steel frame that is reinforced with a steel core. The seats are made from automotive grade high strength steel to shield and protect the occupants.
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The Original Radian 3 Across is a car seat that is designed to be used by three children at once. It is made with the same slim design as the Radian convertible car seat, so it will not take up too much space in the car. The seat includes a five-point harness and a headrest for each child, and it is easy to install.
Safety 1st Grand 2-in-1 Booster Car Seat, Forward-Facing with Harness, 30-65 pounds and Belt-Positioning Booster, 40-120 pounds, Black Sparrow
Key Features:
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This car has three seats that can be used by children who weigh between 30 and 65 pounds when facing forward, and by children who weigh between 40 and 120 pounds when using the booster seat.
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This car seat is designed to fit three people across in most vehicles, making it great for larger families or carpools.
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The car seats are lightweight and easy to move from car to car. They are also comfortable and provide good support for your back and neck.
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If you are looking for a car seat that can accommodate three children across, the Deluxe fabric car seat may be a good option for you. The fabric is designed to be comfortable for kids, so they can enjoy a smooth ride.
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This car seat has an adjustable headrest, which allows the user to customize the amount of support they need. This is ideal for people who are looking for a car seat that can accommodate three people across.
Cosco Finale Dx 2-In-1 Combination Booster Car Seat, Sport Blue, 1 Count (Pack of 1)
Key Features:
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This seat is for a child who is at least 30 pounds and no taller than 65 inches. The child must be able to sit with the seat belt across their lap and shoulder. The belt-positioning booster seat is for a child who is at least 40 pounds and no taller than 100 inches. The child must be able to sit with the seat belt across their lap and shoulder.
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This car seat is designed to fit three people across in most vehicles. It is great for families who have multiple children, or for carpooling.
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This car seat is lightweight and easy to move from car to car, making it perfect for families with multiple vehicles. It can accommodate three passengers across, making it a great option for larger families.
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This car seat is designed to be comfortable for kids, with a deluxe fabric covering. It is also designed to be used in a car with three seats across, so it will fit in many different types of vehicles.
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This is a car seat that has a cup holder that can be detached and used on either side of the seat. The cup holder is dishwasher safe.
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This means that the car seat is one of the best options for a booster seat, according to the Insurance Institute for Highway Safety.
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This car has three seats that are all the same size, making it easier for three people to sit across. The seats are also comfortable and made in the USA.
BubbleBum Inflatable Booster Seat – Travel Booster Seat – Portable Car Booster Seat – Booster Seat for Car – Foldable Narrow Slim Design Carseat – Perfect for Kids 4-11yrs Old – Black
Key Features:
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The car seats are designed for three people to sit across in a vehicle, and they are inflatable for added convenience. The seats have a patented system to guarantee stability and comfort on every journey.
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This car seat is safe for children 40-100 lbs and is equipped with a seat belt positioning clip.
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The BubbleBum inflatable car seat is a backless booster seat that is perfect for car rentals, taxis, vacations, and carpooling. The seat is perfect for kids 4 – 11 years old and can be easily taken with you on all your adventures.
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The car seats are designed to be narrow and compact, making them ideal for the middle seat in a car. They are also designed to fit between two full-size car seats, allowing three kids to sit across the back of almost any car.
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The car seats are designed to be used by three people at once, and they come with a lifetime guarantee.
Cosco Topside Backless Booster Car Seat (Leo)
Key Features:
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This car seat is designed to fit three across in a vehicle, and gives the child extra height to keep the seatbelt properly positioned.
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This car seat is designed to hold three children across the back seat of a car. It is made for children who weigh between 40 and 100 pounds, and who are between 43 and 57 inches tall.
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This car seat is designed to be lightweight and compact, making it easy to move between vehicles. It does not require the use of a latch system.
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This backless booster seat has extra plush padding to make long rides more comfortable. The fabric car seat cover is hand wash only.
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The car seats are designed to not leave marks or indentations on your car’s seats while in use.
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This booster seat is designed to allow three car seats to fit across a vehicle, and includes a one-year limited warranty.
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This car seat is made for three people to sit across in a car. The seat is designed for safety and value, and has been a leading brand for children’s products for over 70 years. The seat is made for babies and features a smart design.
Graco Extend2Fit 3-in-1 Car Seat, Norah
Key Features:
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This product is a car seat that can be used in three different ways depending on the age and weight of the child. It can be used rear-facing for infants 4-50 pounds, front-facing for toddlers 22-65 pounds, and for bigger kids 30-100 pounds.
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The car seats are made of steel reinforced material and are 20.75 inches in diameter, 19 inches wide, and 24.5 inches high. They weigh 19.25 pounds each.
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This car seat is designed to be used by three children sitting side-by-side. It has a 4-position extension panel that can be adjusted to provide 5 inches of additional legroom, and a 6-position recline to help keep your child comfortable. The 10-position headrest is adjustable to accommodate your growing child. Do not use bleach on this car seat.
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This product is a car seat that can accommodate three children at once. It has a harness system that can be adjusted to fit each child properly.
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These car seats are designed to protect children in a variety of different types of crashes, including frontal, side, rear, and rollover crashes. They are also tested for extreme car interior temperatures.
Car Seats For 3 Across FAQs
How do you install a car seat for three across?
There is no universal answer to this question since it can vary depending on the vehicle and the car seats. However, a few tips to keep in mind include: – Make sure that the car seats fit in the vehicle and that they are compatible with each other. – Read the manuals for both the car seats and the vehicle to ensure proper installation. – Make sure that the car seats are installed in the correct position and that they are tightened securely. – Check the car seats regularly to ensure that they are still installed correctly and that the straps are tight.
What are the best car seats for three across?
There is no one-size-fits-all answer to this question, as the best car seats for three across will vary depending on the specific make and model of your vehicle. However, some popular choices for car seats that can accommodate three across include the Graco Extend2Fit Convertible Car Seat, the Chicco NextFit Zip Convertible Car Seat, and the Britax Marathon ClickTight Convertible Car Seat.
How do you fit three car seats across a back seat?
Car seats can be placed side by side or in a row.
What are the dimensions of a three across car seat?
A three across car seat has a width of 20.5 inches, a height of 26 inches, and a depth of 16.5 inches.
How do you choose a car seat for three across?
The best way to choose a car seat for three across is to consult with a certified child passenger safety technician (CPST).
Conclusion
There are many great car seats for 3 across on the market. Our list of the best car seats for 3 across will help you save time researching and choosing the best one for you.