Maxi-Cosi Pria All-In-One Convertible Car Seat Review

Maxi-Cosi Pria All-in-One Convertible Car Seat With Little Boy Inside
Designed to be your baby’s first and last car seat, the Maxi Cosi Pria All-In-One Convertible Car Seat grows with your child from birth to ten years old (or 100 lbs). From the very first car ride, until they are ready to sit in the vehicle seats, the All-In-One is all you need!

With superior safety features, simple and intuitive seat adjustments, and premium fabrics and padding, your child will be snuggled in safely for all your on-the-road adventures.

This all-in-one convertible car seat truly is a no-brainer, money-saver. Let’s dig into the details!

Grows With Your Baby


  • Car Seat Dimensions: 24" x 18.5" x 25” 
  • Car Seat Weight: 23lb 
  • Weight Rear Facing: 4lbs - 40lbs 
  • Weight Forward Facing: 22lbs - 65lbs 
  • Weight Booster: 40lbs - 100lbs 
  • Height Rear Facing: 19” - 40” 
  • Height Forward Facing: 29” - 49” 
  • Height Booster: 43” - 52” 
  • Anti-Rebound Bar: YES. There’s a rear-facing padded anti-rebound bar 
  • No-Rethread Harness: YES 
  • Removable Fabrics: YES. The seat pad and harness covers are removable, machine washable, and dryer safe. 
  • Certified for Airplane Travel: YES, in rear-racing and forward-facing harness modes. 
  • Cup Holders: YES. 2 removable, BPA free and dishwasher safe holders. 

With the touch of a button, you can quickly convert the Maxi Cosi Pria All-In-One Convertible Car Seat from rear-facing (4-40lbs), to forward-facing (up to 65lbs), to booster seat (up to 100lbs) in a matter of seconds. With simple and intuitive adjustments, you won’t be wrestling your car seat when you need to make the switch to the next stage. For your tiniest ones (starting at 4lbs), the car seat includes a removable wedge, infant head pillow and lumbar cushion to keep them snug and secure. Once your babe gets bigger, you can simply remove them!

This car seat also has a wide range of adaptability for your child with its 3-position recline, 5 headrest heights, and QuickFit shoulder harness. These features allow you to customize your car seat based on your child’s growth.

Superior Safety Features

When it comes to car seats, safety is the number one thing on parents’ minds. The Maxi Cosi Pria All-In-One Convertible Car Seat is backed by over 30 years of European engineering and exceeds all federal and Canadian regulatory standards (including FMVSS 213, CMVSS 213, 213.1, 213.2).

The GCell® HX foam absorbs crash energy and protects your child’s head where needed most in case of a side impact crash, and the Rear-Facing Padded Anti-Rebound Bar limits rotation in a sudden stop or crash.

With the QuickFit shoulder harness, the harness and headrest automatically raise to accommodate your growing child — which means you can drive with confidence, knowing your little one properly fits in their seat.

Maxi-Cosi Pria All-in-One Convertible Car Seat With Little Boy Inside, Maxi-Cosi Pria All-in-One Convertible Car Seat Close-Up of Harness, Maxi-Cosi Pria All-in-One Convertible Car Seat Close-Up of Head Rest

Supreme Comfort + Fabrics

There’s nothing worse than going on a car ride and having your little one screaming their lungs off because they are uncomfortable. With soft cushions made from premium fabrics and padding, you can rest assured that your child will be riding in comfort.

The treatment free, PureCosiTM fabrics are made without wool or added fire retardant treatment and yet still meet or exceed flammability standards. The covers, seat pad, and harness covers are also machine washable and dryer safe, so when those inevitable spills happen, you can pop them in the washing machine and restore them to as good as new.

Other Note-Worthy Features

Strapping a squirming toddler into a car seat can often be likened to wrestling a cheetah covered in chocolate pudding — it’s next to impossible. But with the ClipQuickTM auto-magnetic chest clip and the in-and-out harness holders that keep the straps out of the way, you can quickly buckle in your Cheetos covered toddler and be on your way.

Once they are strapped in, you can pop your child’s snack or drink into the two BPA free cup holders. When the cup holders get all grungy, you can remove them and throw them in the dishwasher!

Last but not least, the Maxi Cosi Pria All-In-One Convertible Car Seat is certified for airplane travel in rear-racing and forward-facing harness modes. So whenever you decide to brave the globe with your littles, the Pria has you covered!

Let’s Get Moving!

If we still haven’t convinced you, visit any of our Snuggle Bugz Retail locations to dry-fit the Maxi Cosi Pria All-In-One Convertible Car Seat in your car before you buy or check out the listing for more details!

For more fantastic All-in-One Convertible Car Seat options, check out our top picks of the year HERE.

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