Buying 10 best car seats for three across in 2022 With Our Experts

Looking for the best car seats for three across ? Based on expert reviews, we ranked them. We’ve listed our top-ranked picks, including the top-selling best car seats for three across.
Having trouble finding a great best car seats for three across ? This problem is well understood by us because we have gone through the entire best car seats for three across research process ourselves, which is why we have put together a comprehensive list of the best car seats for three across s available in the market today.

After hours of searching and using all the models on the market, we have found the best car seats for three across for 2022. See our ranking below!

Top 10 best car seats for three across in 2022

$174.98
$199.99
in stock
3 new from $174.98
as of May 25, 2022 4:15 am
Amazon.com
$219.99
in stock
3 new from $219.99
as of May 25, 2022 4:15 am
Amazon.com
$299.98
$349.99
in stock
7 new from $299.98
as of May 25, 2022 4:15 am
Amazon.com
$99.99
$119.99
in stock
as of May 25, 2022 4:15 am
Amazon.com
$29.99
$32.99
in stock
3 new from $29.95
as of May 25, 2022 4:15 am
Amazon.com
$349.99
$449.99
in stock
3 new from $349.99
as of May 25, 2022 4:15 am
Amazon.com
$399.99
in stock
2 new from $399.99
as of May 25, 2022 4:15 am
Amazon.com
$89.99
in stock
2 new from $89.99
as of May 25, 2022 4:15 am
Amazon.com
out of stock
as of May 25, 2022 4:15 am
Amazon.com
Last updated on May 25, 2022 4:15 am

List the best car seats for three across in 2022

Diono Radian 3R, 3-in-1 Convertible Car Seat, Rear Facing & Forward Facing, 10 Years 1 Car Seat, Slim Fit 3 Across, Jet Black

$199.99
$174.98
 in stock
3 new from $174.98
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
  • HIGH BACK BOOSTER: Keep your child safe and comfortable with the high back booster seat mode now up to 120 lb, 54 kg. The high back booster adds an extra layer of protection and comfort for any child transitioning into booster mode.Shell and Components: Spot clean
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the Radian 3R adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort. Feel safe having your children secure in the backseat

Graco SlimFit 3 in 1 Car Seat -Slim & Comfy Design Saves Space in Your Back Seat, Darcie, One Size

$219.99  in stock
3 new from $219.99
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • 3-in-1 car seat grows with your child from rear-facing harness (5-40 pounds) to forward-facing harness (22-65 pounds) to highback booster (40-100 pounds)
  • Slim design with dual integrated cup holders that rotate away, making the seat 10% slimmer to save valuable back seat space
  • Graco ProtectPlus Engineered: A combination of the most rigorous crash tests that helps to protect your little one in frontal, side, rear and rollover crashes
  • No-rethread simply safe adjust harness system allows the headrest and harness to adjust together in one motion
  • Choose the perfect headrest height from 10 positions to get the safest fit for your child as they grow

Diono Radian 3RXT, 4-in-1 Convertible Car Seat, Extended Rear and Forward Facing, Steel Core, 10 Years 1 Car Seat, Ultimate Safety and Protection, Slim Fit 3 Across, Black Jet

$349.99
$299.98
 in stock
7 new from $299.98
Amazon.com
as of May 25, 2022 4:15 am

Features

  • SAFE & COMFORTABLE NEWBORN POSITIONING: Features newborn travel high wedge to create a safe and secure lie-flat travel position. The innovative technology pushes baby up to reduce head slump while helping to keep airways open. As your baby grows, simply remove the wedge to allow the 2-in-1 infant positioning liner for support
  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb/ 22. 7 kg, approx. 4 years old
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Baby Trend Trooper 3-in-1 Convertible Car Seat, Moondust (CV01C87B)

$119.99
$99.99
 in stock
Amazon.com
as of May 25, 2022 4:15 am

Features

  • 3 modes of use: rear facing infant mode (4-18lbs), rear facing toddler mode (18-40lbs), and forward facing toddler mode (22-65lbs)
  • Immediate right installation angle: rear-facing recline flip foot allows for great installation angles with ease; The built-in bubble level indicator helps find the correct angle
  • Fits three across: at its widest, the Trooper is 16.75" Allowing it to fit 3 ACROSS in most vehicle
  • Shoulder & crotch buckle adjustment: 5-position shoulder height adjustment and 3- position crotch buckle for seat adjustment
  • Safe with head protection: super deep side wings for better side impact protection

BubbleBum Hybrid Inflatable Travel Booster Car Seat | Hybrid Design - Benefits of a Rigid Booster & The Convenience of Portability | Narrow, Backless Booster Seat for Kids | Fit 3 Across - Black

$32.99
$29.99
 in stock
3 new from $29.95
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • HYBRID INFLATABLE BOOSTER SEAT - The convenience of an inflatable booster seat but so much sturdier! BubbleBum is the only inflatable booster seat with a patented system to guarantee stability on every journey. Our award-winning multi-layered design means your child will always travel in comfort & safety
  • TAKE ANYWHERE CAR BOOSTER SEAT - No more heavy, bulky car seats! Bubble Bum hybrid child's car booster seat for travel inflates with a few breaths, easy to install. Rolls away, fits easily in a suitcase, backpack, or purse. Includes seat belt positioning clip for optimal seat belt fit and comfort. For children aged 4 - 11 years old & weighing 40 - 100 lbs
  • PORTABLE & PACKABLE - The USA’s lightest backless car booster seat, easy for kids to carry, wherever they go! Ideal for everyday use. The booster seat for car rentals. Convenient for taxis, vacations, and carpools
  • TESTED BY PROFESSIONALS & APPROVED BY PARENTS - BubbleBum meets & exceeds all US federal car safety standards & European regulations (FMVSS213 & R44/04). Global award winner, including ‘Mom's Best Award 2021’, ‘Parent Tested Parent Approved’
  • FINALLY FIT 3 ACROSS! - Narrow & compact, perfect for the middle seat, even in smaller cars. Fits between 2 full-size car seats, allowing 3 kids across the back of almost any car

Diono Radian 3QXT 4-in-1 Rear and Forward Facing Convertible Car Seat, Safe Plus Engineering, 4 Stage Infant Protection, 10 Years 1 Car Seat, Slim Fit 3 Across, Gray Slate

$449.99
$349.99
 in stock
3 new from $349.99
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • THE NEXT GENERATION 4-IN-1 RADIAN CONVERTIBLE CAR SEAT: Introducing 23 improvements in safety and new features from the award-winning 3QXT slimfit convertible car seat
  • 4-in-1 NEWBORN PROTECTION FROM 4 lbs: The energy absorbing protection Safe+ newborn insert provides the secure travel position, adjustable harness and anti-slip harness pads complete with Safe+ steel anti-rebound bar to reduce rebound rotation by 50%. Security 3 different ways - rear-facing, forward-facing, and high back booster mode
  • SAFE PLUS ENGINEERING: Radian 3QXT is subjected to a combination of the most rigorous crash tests to ensure we have the safest car seat possible. The radian 3QXT features high-density plastic and steel reinforcement to create the ultimate protection
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3QXT adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Diono Radian 3QX 4-in-1 Rear & Forward Facing Convertible Car Seat, Safe+ Engineering 3 Stage Infant Protection, 10 Years 1 Car Seat, Ultimate Protection, Slim Fit 3 Across, Gray Slate

$399.99  in stock
2 new from $399.99
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • THE NEXT GENERATION 4-IN-1 RADIAN CONVERTIBLE CAR SEAT: Introducing 23 improvements in safety and new features from the award-winning 3QX slimfit convertible car seat.
  • 3-in-1 NEWBORN PROTECTION FROM 4 lbs: Provides the perfect lie flat travel position, adjustable harness and anti-slip harness pads complete with Safe+ steel anti-rebound bar to reduce rebound rotation by 50%. Security 3 different ways - rear-facing, forward-facing, and booster mode
  • SAFE+ 12 POSITION HEADREST: Easy one hand adjust 22% increase in headrest occupancy, comfort and protection
  • SAFE+ ENGINEERING: Radian 3QX is subjected to a combination of the most rigorous crash tests to ensure we have the safest car seat possible. The radian 3QX features high density plastic and steel reinforcement to create the ultimate protection.
  • THE ORIGINAL RADIAN 3 ACROSS: Built with our famous Radian slim fit convertible design for a 3-across option only with Diono Radian combinations without compromising child or passenger comfort. Feel safe having your children secure in the backseat.

Diono Radian 3RX 3-in-1 Rear and Forward Facing Convertible Car Seat, Head Support Infant Insert, 10 Years 1 Car Seat Ultimate Safety and Protection, Slim Fit 3 Across, Red Cherry

 out of stock
Amazon.com
as of May 25, 2022 4:15 am

Features

  • REAR-FACING FOR LONGER: This slimfit convertible car seat is designed and engineered to keep your child rear facing even longer up to 50 lb, 22. 7 kg, approx. 4 years old
  • HEAD SUPPORT INFANT INSERT: The removable head support infant insert features protective padded support for cocooned comfort, As your infant grows simply remove the car seat cushion pad
  • 10 YEARS ONE CAR SEAT: With 4 ways to travel safely from birth to booster, the radian 3RX adapts as your child grows to offer a custom adjustable fit from birth to 120 lbs
  • REINFORCED STEEL CORE: Mechanically engineered, reinforced steel core, made from automotive grade high density plastic and steel to create the ultimate protection for your child
  • THE ORIGINAL 3 ACROSS: Built with our famous radian slim fit convertible design, to fit 3 across in most vehicles without compromising child or passenger comfort, Feel safe having your children secure in the backseat

Cosco Mighty Fit 65 DX Convertible Car Seat (Heather Onyx Gray)

$89.99  in stock
2 new from $89.99
Free shipping
Amazon.com
as of May 25, 2022 4:15 am

Features

  • With 2 modes of use, this extra comfortable LATCH equipped Cosco car seat accommodates infants from 5 pounds up to toddlers weighing 40 pounds in rear facing mode and kids up to 65 pounds in forward facing mode. Its compact design also makes it easier to manage through airport security checks
  • The 5 point harness adjusts easily from the front of the seat and features 5 heights and 3 buckle locations
  • Built in side impact protection keeps your little 1 extra secure; Designed to be just the right size, the seat takes up less space while rear facing so parents can have more leg room
  • Three of these seats can fit side by side in the back seat of most cars, perfect for growing families
  • With plush padding and premium fabric, this seat gives your child an extra comfy ride; Easy to clean, the fabric car seat cover is machine washable and dryer safe

Cosco Finale Dx 2-In-1 Combination Booster Car Seat, Sport Blue

 out of stock
Amazon.com
as of May 25, 2022 4:15 am

Features

  • Extended Use: Forward-facing with harness 30-65 pounds and Belt-positioning Booster 40-100 pounds
  • Designed to fit 3 across in most vehicles - Great for growing families and car pools
  • Lightweight and easy to move from car to car
  • Deluxe fabric gives kids a comfy ride
  • Dishwasher-safe cup holder detaches for use on either side of seat

How to Choose the best car seats for three across?

Price

Choosing one that will provide the best suction and come at an affordable price is not as easy as it sounds. There are many factors you should consider in choosing a best car seats for three across. One of these factors is the price.

This is because you should consider all your options before deciding on what type of best car seats for three across is right for you. Once you know how much you can spend, you will narrow down your choices and find the best car seats for three across that will work best for you.

Function

There are several functions that you should look at before buying a new best car seats for three across. These days the more advanced best car seats for three across have some amazing features. Such as the auto best car seats for three across function that will help your whole home without any effort on your part.

When you look at the different features of different models of best car seats for three across, you will find that some have more features than others. There are also some models of best car seats for three across that will be more powerful than others.

You will want to look at all the functions available on best car seats for three across to decide which one is best for you. Once you have looked at the functions of best car seats for three across, you can then start to look at the various makes and models.

Brand

The brand is an important consideration. Your search for a new best car seats for three across should begin by looking at what has been said about the brand. Many consumers are impressed with the performance of a best car seats for three across that has been deemed high quality.

Ask how long the manufacturer has been in business. There is no point in buying a best car seats for three across if you cannot trust its manufacturers. Read the Consumer Reports Best Buy Awards and other reviews to see which models have the best reputations.

Old Customer Reviews

It is always a good idea to read some customer reviews when considering buying a new best car seats for three across. Pay keen attention to the reviews on a particular best car seats for three across function.

Are the customer reviews talking about how well it best car seats for three across, or are they talking about how hard it is to use? If the review talks more about how hard the best car seats for three across is to use, the customer will not use it that much. A good best car seats for three across will have great customer reviews and not have too many bad ones.

If most reviews are good and a few are not so good, it would be worth it to try another brand. However, if most of the reviews are not too bad, you may want to stick with the brand because of great reviews all along.

Pros and Cons of Product

It would be best if you weighed the pros vs. the cons of each brand. The decision on whether to consider the pros and cons of a best car seats for three across before you buy it depends on which best car seats for three across you want.

Service

It would help if you looked at is how much dust your carpet and upholstery can handle. If you have a lot of furniture or delicate furnishings, then one with a wider cord would be a good choice. Whereas one with a shorter cord would be fine for a lot less delicate furnishings and not so much dust.

Warranty

Whether you are thinking about a best car seats for three across or another piece of the home appliance, if always good to consider the warranty before buying it. Although you will find that most best car seats for three across have some limited warranty, some will cover only a few months.

You should also consider buying from a major manufacturer as they usually offer the best warranties on household appliances.

Conclusion

When learning how to choose the best car seats for three across, you must take the time to research all of your options. This will help you determine the model that will best meet your needs. Ensure that the store you buy from, especially if it is online, is reliable. Amazon, for example, is one of the most trusted online stores in the world. If you were looking to shop for a best car seats for three across with ease, this is where you can go.

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