Maxi-Cosi Pria All-in-One Convertible Car Seat - Alpine Jade (PureCosi)

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Introducing the Pria All-in-One convertible car seat, baby's first and only car seat. Now featuring PureCosi™, surround your child in comfort and safety from the first ride home.

What’s in a Name, You Ask? 

Just like the care you take to name your new little bundle of joy; we take great care in choosing names that best explain what you get with our products. And if our car seats have everything you need “all in one”, why not come out and say it? So, here it goes – our convertible car seats will now carry the name “All-in-One”. From birth to ten years, you get everything you need in a single car seat to keep your child cozy and safe. All in one is all you need. 

All-in-One Seating System

With the Pria All-in-One, you can take comfort in knowing that you’ll have a safe, comfortable car seat for your child, from birth to 10 years old. Children can ride rear-facing, from 4-40 pounds; forward-facing to 65 pounds; and up to 100 pounds in booster mode. It may be the only car seat you’ll ever need. Converting to each new stage is simple and intuitive, so you can quickly make car seat adjustments. It allows for a wide range of adaptability with its 3-position recline, 5 headrest heights, along with a QuickFit shoulder harness.

Superior Safety Features

Drive with confidence knowing that the Pria All-in-One is backed by over 30 years of European engineering and exceeds all federal standards, including FMVSS 213. GCell® side impact protection is built into the headrest to cushion the impact, and protect your child around the head where it’s needed most. The QuickFit shoulder harness automatically raises the harness and headrest height to fit your growing child. Children grow at different rates so it’s important to have the flexibility to customize your car seat to ensure that you keep safety where you need it, when you need it.

PureCosi™ & Supreme Comfort

At Maxi-Cosi we are committed to caring for precious life, ensuring that only the highest quality materials are used in our products. With the introduction of PureCosi™ we have started and will continue to launch new fashions that no longer require the addition of fire-retardant chemicals. Because we know, that carrying the future means protecting your little one, and our planet.

Soft-to-touch cushions and premium fabrics and padding throughout provide supreme comfort for your child during the journey. The Pria All-in-One fabrics are designed to keep your little one comfortable and cozy. The covers are easy to remove, machine washable and dryer safe.

Pria All-in-One. Designed to keep up with your growing family. 


  • QuickFit shoulder harness automatically raises the harness and headrest height.
  • In and Out harness holders keep straps out of the way when buckling.
  • Removable infant pillows provide extra support and comfort.
  • One-click LATCH connectors for easier installation.
  • Easier and faster to install correctly in the car.
  • Both dishwasher safe and easy to remove.
  • Seat pad and harness covers are both machine washable and dryer safe.
  • Rear Facing 4-40lb and 19-40 in.
  • Forward Facing 22-65lb and 29-49 in.
  • Booster 40-100lb and 43-52 in  
Product Reviews
out of 5.0
163 Reviews
Ratings Snapshot
of Reviewers
Baltimore, Maryland
Verified Buyer
Great buy
January 27, 2023
LOVE the car seat, no issues. Very easy to install in the car. Daughter loves it.
Auburn, AL
I like it and would buy again.
January 22, 2023
We have been using this seat for about a year. I have had no problems with it at all. I'm concerned to read that at two years some people are complaining of the headrest breaking but as of right now, I see no signs of wear aside from just my toddler being a toddler. I have recommended this seat to friends. My kid falls asleep in it all the time telling me it must be cosi. I plan to keep him rear facing as long as possible (up to 40 pounds). My only con is that it is large. I drive a 2014 Toyota Avalon and it would be very uncomfortable to have to sit in the middle of my backseat and while car seat is rear facing, my front passenger seat has to sit closer to the dash than I would prefer but that won't be an issue when he moves to forward facing.
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El paso
January 18, 2023
I used to love this car seat, but the foam headholder just broke, I have been trying to get support by email and calls and recieved no answer... have it for less than 2 years
Customer Images
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J P.
Verified Buyer
Safe and heavy Duty
January 12, 2023
Heavy and sturdy. Does not feel like other seats that have cheap plastic pieces. Easy to assemble and include.
Sunnyvale, CA
Avoid at all cost. Theres no way to tight the car seat
December 18, 2022
So bad. Not even usable. The instruction video does not work at all.
This product review was collected by the manufacturer.
I don't recommend unless you have a huge car
December 2, 2022
It takes up my entire back seat & it's hard to recline it at all unless the front seats are in the dashboard
This product review was collected by the manufacturer.
Kamloops BC
Broken headrest
November 30, 2022
Has worked well for almost 2 years, but our foam headrest just snapped. I'm not sure if this is a long-standing issue or not, but I'm shocked that it was so easily broken and does not give me confidence in the seat overall. Otherwise, I have had no issues with fabric or annything else, and my toddler is comfortable in it. It's really disappointing.
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I would NOT recommend
November 10, 2022
I bought this for my 6 month old. I'm not happy with how big and bulky this thing is. i have a 2022 Toyota- it takes up basically the entire seat that my passenger seat is so high up. The directions make it difficult to understand proper installation. The infant inserts have no specifications of age to take it out. I dont know when to move the buckle up either. I ordered the all black carseat and they sent me a black one with brown trimming. im very upset. the buckle is HARD to unlock and the head rest is also hard to move up and down.
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Gatineau, Canada
Security A1 Fabric 0
October 18, 2022
Super safe! Our daughter was in a huge car accident and she end up with nothing. Super happy with the safety features. Not with the fabric. She get also always car sick and we had to wash it a lot. The fabric seem to decompose after a certain time (and we did wash it with care).
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Coldwater, Mi
Amazing car seat AND customer service!!
October 15, 2022
I'm blown away by the customer service of maxi Cosi! I messaged them letting them know that we loved their car seats, but that my daughters had started to wear just after 1-2 times of washing. They sent a replacement interior to my front door within TWO days! Amazing!! I'll always recommend!
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Philadelphia, PA
Issues with fabric
October 5, 2022
The car seat looks very comfortable and my son seems happy in it. HOWEVER, the fabric is already wearing on the bottom after 3 months so I can't imagine it lasting years the way I hoped it would and then fabric flap over the harness release button is already ripping halfway off.
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Omaha, Ne
I wouldn't buy or recommend this product
September 30, 2022
I use this car seat for a back up and it is very in safe!! The buckle for the hardness are so easy to slide that my little one can move it. So it's not doing anything to keep her safe!
Customer Images
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Not a good car seat for the price
September 29, 2022
Got this car seat for my daughter and it is horrible, tried contacting and they ended the chat on me and then no agents were available to help me after. It tore in the washer on gentle cycle in a pillowcase. Overall it's just poorly and cheaply made and I do not recommend. I'm not sure if I may have gotten a 'faulty' car seat. Which I doubt highly, but even still how would I know of I can't get any help
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It works from 4-100 pounds
September 22, 2022
I can't believe 1 seat will last my baby for years! Best purchase I have made to date for my kids!
Customer Images
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Feels safe and sturdy
September 20, 2022
This car seat feels very well made and safe. Easy to install and love the color options and the cup holders!
This product review was collected by the manufacturer.
Scottsdale AZ
My favorite car seat
September 16, 2022
I have this car seat for all 3 of my daughters that are in car seats. Have had them for years and will recommend to anyone. Not only are they comfortable but they are aesthetically pleasing and most importantly safe.
This product review was collected by the manufacturer.
BMW e.
chicago, IL
This product does not fit BMW back seats
September 13, 2022
If you have a new BMW or similar car this will not fit! To be specific 440Xi Grand Coupe. I spent all night trying to get it to fit only to find the base doesn't fit into the seats at all. Major design flaw and your delays in shipping ruined our road trip this week. Add a car configuration tool to your website when you buy like a car rack.
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Stafford, VA
Best car seat out there
September 12, 2022
We absolutely love that the car seat can grow with our baby and we do not have to constantly buy a new one.
Customer Images
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Lindy r.
Denver, CO
Best All in one out there!!
September 11, 2022
I love this seat. The material feels so nice so I don't feel bad making my child sit in it, it is comfy. It is easy to adjust to make sure my baby is secure in the seat. I love that we don't have to worry about buying another seat as they get older because this one can be used until they're old enough to be without the seat! I am impressed!
Customer Images
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New Jersey
Pria All In One Car Seat for the win!
September 11, 2022
We recently upgraded our toddlers car seat to the Pria and it has been a game changer! It's stylish and comfortable and our kiddo looks a lot more cozy now! Plus, it will grow with him up to 10 years of age, how cool is that?! We definitely love this car seat and plan to get another one for our baby coming this November!
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The whole package
September 11, 2022
This car seat looks beyond comfortable for our little one + such an added bonus that it will grow with our baby until she is 10 years old. We love that it's machine washable because we have quite the little blow out queen! We love how narrow it is while still being super safe as it is actually more narrow in our back row than a car seat we bought specifically known for being a "slim fit." Would recommend!
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Jessica C.
Orange County
A car seat that does it all!
September 9, 2022
We were gifted this car seat to replace our infant car seat that our little babe is starting to outgrow. We are thrilled with this seat because it can grow with our little one. It has the ability to go read facing, front facing, and has a booster. Plus we love how easy it was to install and adjust. It literally only took maybe 5 minutes to set up and latch in. We just took our first road trip with the new seat and little miss seemed to be comfy and cozy in her new seat. We love how cushioned and protective it is and she loves the cup holder!
Customer Images
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Salt Lake City Utah
The best seat.
September 7, 2022
We are on our 3rd pria seat! We have 3 in car seats right now and they are the only way to go. Love that they can be used from birth- 100 lbs. they they are extremely comfortable and that they looks sleek in my car! Best car seat on the market in my opinion!
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August 25, 2022
Impossible to get the correct incline and tightness to even have a safe ride. If my husband cannot get it to tighten down, no one is. The cheap plastic base and anchors run into each other and I'm having to put multiple towels under to get a proper incline for my baby. I have a 2022 Highlander and with how much this car seat costs, it should not be this unsafe for a baby. Very disappointed.
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Dani B.
Lehi UT
A must have
August 24, 2022
This is the car seat. Honestly, you don't need any other car seats after owning this one. It's so comfy, it grows with your baby, saves you money because you don't have to buy another car seat, booster seat etc for your kids. This is my favorite car seat out of all of the car seats I've owned. I wish my other two kids had this car seat when they were at the age for car seats. I'd 100% recommend this!!!
Customer Images
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Newark Delaware
July 5, 2022
After reading such great reviews we decided to purchase MaxiCosi Pria. We have only had this carseat for 6 months and the fabric is already fraying ; ripped and peeling away from the padding. Very disappointing.
Customer Images
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Willow grove, pa
Absolutely loved, until
June 21, 2022
I absolutely loved this car seat as it was a baby shower gift from my Mom. I would've gave it one star but because of the quality of the actual seat itself I gave it two. At almost 300 dollars the cushioning itself should not fade like our black one did. Along the rim of the top the color is completely different and looks terrible!! For such an expensive seat you would think they would last but don't be fooled. Maybe it's the material idk. I wanted this seat to grow with my daughter since my mother bought it and has since passed but it doesn't look like that will be happening now.
Customer Images
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Jacksonville nc
Cupholders always detach. Seat belt always getting twisted.
June 14, 2022
Not satisfied
This product review was collected by the manufacturer.
Atlanta, Ga
Comfortable seat!
June 10, 2022
My son loves this seat. It's very comfortable for him. He is 1 and still rear facing. The seat is a little on the heavy side, and a little big when in the car. The recline isn't ideal although my son doesn't need the "newborn" recline you would have to use a rolled towel or pool noodle to get the proper install for a newborn. It is easy to install and washer/dryer safe. The cups are machine washable. And the fabric is very soft and plush.
Customer Images
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Verified Buyer
Excellent buy!
May 28, 2022
Absolutely love this car seat! It was super easy to install and use!
Jennifer M.
Boston Ma
Verified Buyer
Great carseat
May 1, 2022
Great car seat at a great price!
Daisy B.
Greenville SC
My go to seat!
March 11, 2022
My daughter is almost 3 & we still love this seat! Only problem we've had is the cover coming apart but maxi Cosi has been great & replaced it. I would still recommend/buy this seat over & over again!
Customer Images
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Coachella, Ca
Fabric rips very easily!!
February 27, 2022
My 18 month baby is now without a carseat! I washed the fabric and as soon as i took it out to dry it, it was all ripped and useless. Everythng ripped! There was no way of saving it! We just bought it 3 months ago! Almost 300$ in the trash!
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Muncie, IN
Verified Buyer
So good we bought a second!
February 24, 2022
We really like this brand of car seat. We have had to clean it a few times and being able to throw it the washer is very nice. I appreciate the price offered by Albee.
Chicago, IL
Beautiful car seat!
November 11, 2021
Awesome car seat. Easy to install, but videos helped a lot. My daughter looks comfortable and I feel at ease knowing that she's safe and secure. We love Maxi-Cosi products! So well-made.
This product review was collected by the manufacturer.
Sturdy and Safe!
November 11, 2021
I love this car seat and I have no worries that my daughter would be safe if anything were to happen while she is in it. It is very great quality, sturdy, and safe. And she seems to think it's very comfortable! The only "con" is that it is quite heavy and can be tricky to install, but mine stays in my backseat and I'm not constantly having to remove it so I don't really see it as a con. And I would rather it be heavy and I feel like it's sturdy than easier to install and me feel like it's less protective. Overall I think this is a great car seat and would definitely recommend it!
This product review was collected by the manufacturer.
Manassas, VA
Awesome carseat
November 10, 2021
I absolutely love this car seat. I replaced a lower quality car seat and I'm so glad I did. This car seat has all quality. It is plush and super easy to install. My daughter even loves it! She yells "seat" when we head to the car because she's so excited.
This product review was collected by the manufacturer.
Columbus, OH
Verified Buyer
Bought as a gift
November 7, 2021
We bought this as a gift for our son and daughter-in-law, they like the easy format.
I absolutely love this car seat
November 5, 2021
I absolutely love this car seat. It is so nice and comfortable for my daughter, yet safe. The two cupholders make it so convenient. He actually have the same car seat in the second car because we loved it that much.
This product review was collected by the manufacturer.
New Jersey
A seat that lasts
November 5, 2021
What a surprise to receive this wonderful seat in exchange for this review! I can't believe it will truly last 10 years! I love the double cup holders and the easy grip for resizing the seat belt. The last thing anyone wants to do is pull the entire seat out just to resize! It is soft, plush, and great.
This product review was collected by the manufacturer.
Charlotte NC
Great Convertible Car Seat
November 4, 2021
I would highly recommend this convertible car seat for anyone that wants to keep his child safe while traveling in the car. My son is two and a half years old and weighs about 35 lb. This car seat is very durable with many features to use as your child grows. I like the fact that riding in the backwards position it has three different levels. My son rides forward and it's perfect positioning in my car it's said his long legs don't kick the back of my seat. I also love the fact it comes with two cup holders and the headrest changes so it fits to my sons body perfectly. I would highly recommend this car seat
Customer Images
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Awesome comfy seat
November 3, 2021
My baby girl loved this seat. She hopped in as soon as I took it out of the box. The padding is very nice material, and easy to wipe down. I love that the cup holders are dishwasher safe, that will save so much time and headache of scrubbing them. It's a breeze to adjust tighten the height and the straps. The cushions on the shoulder straps are super plush, better then any other car seat I've used and I'm a mom of 6 and have been through many car seats.
Customer Images
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Durham, NC
Exceptional Carseat
November 3, 2021
This carseat is extremely easy to install and my one year old seems REALLY comfortable in it. It's very sleek looking, and fits well in my midsize SUV (a Subaru Forester). I love the built in cup holders so my daughter has easy access to her water and snacks. This is definitely one of the best convertible carseats I've used. It's very secure and safe and I have absolutely no complaints!
This product review was collected by the manufacturer.
Santa Rosa, CA
Amazing car seat
November 3, 2021
Let me start by saying this car seat is as comfortable as it gets. I am a huge advocate for car seat safety and extended rear facing. This seat allows kids to rear face until they reach 40 lbs, and then can be converted to forward facing 5 point harness for up to 65 lbs, and a booster after that. It is a true all in one seat. The configuration provided superior side impact support. It is easy to install and the center buckle has 3 positions, where most other seats have 2, allowing for extra comfort and safety.
There is a lot of padding so kids can be cozy and safe at the same time. Covers are removable and dryer safe, which is a huge bonus considering seats can get oh so messy. 10/10 would recommend.
This product review was collected by the manufacturer.
Nashville, TN
A winner for safety and comfort for littles!
November 2, 2021
This is the BEST of all the car seats that I have used. We have gone through three different car seats looking for something that is versatile and safe. The Maxi-Cosi Pria All in One Convertible Car seat really has it all. The convenience of being able to flip from an infant car seat to a toddler seat makes this a winner.
Definite pros:
Safety - This car seat is so safe and the straps feel very secure. When my kiddo is in the car, she is secure and doesn't shift.
Versatility - The shift from an infant seat to a larger kids is easy and safe.
Cleanliness - I HATE cleaning car seats. This makes up for it. It is easy to wash because the inserts are easy to remove. Also, this has to cup holders that make it much easier to hold and prevent spilled drinks.
Comfort - The seat easily reclines and the pads are soft and comfortable.

Overall, I have not found any cons at this point. I would DEFINITELY recommend this!
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Kansas City
Secure Comfort
November 1, 2021
Wow! I have 5 kids and this is the nicest car seat we've ever had! They have come such a long way on design and comfort. I was very impressed with the style, cushion comfort, ease and variety of use. It really is an All-in-one seat. I appreciate the multi function from rear facing infant seat to forward facing toddler seat up to 65 lbs. the straps all have some cushion padding to avoid pinches and it has a secure back anchor and ease to lock and release side anchors. The color is sleek and I was able to install it quickly and easily.
Customer Images
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Kansas City
Comfortable and Convertible
November 1, 2021
The MaxiCosi Pria all in one looks and feels so comfortable, I even want to sit in it! The cushioning is so plush and easy to remove when it needs to be cleaned. It is wider and overall larger compared to the infant car seat I previously used, which is to be expected being convertible. Yes, there is a bit more difficult installation process, but the directions are easy to understand and customer service is great if you need help or have questions. If you have more than one vehicle, I would recommend a second carseat so you don't have to move this one around. I love the easy shoulder harness adjustment and the fact that it can be installed using latch anchors or the seatbelt. My little one is already 14 months but I love that the Pria can be used from birth as well with the infant inserts and pillows! I know this seat will be comfortable and safe for years to come, plus he loves the two cup holders! I would buy this for any future babies and recommend to anyone looking for a convertible car seat.
This product review was collected by the manufacturer.
Amazing car seat with great features!
October 31, 2021
Love this car seat. My favorite feature is the clips on the side to hold the straps. My kiddo loves how comfortable the car seat is! The fabric is soft with a luxurious feel. The size is perfect for our suv and installs easily! Adjusting the headrest is also so easy.
This product review was collected by the manufacturer.
So Cal
One Plush Car Seat!
October 31, 2021
The Maxi-Cosi Pria lives up to its name by being super plush and comfortable. It's got lots of padding on every surface of the seat, and my little one just loves snuggling in during car rides. It's a premium car seat, with great features like easily removable latch attachment points and holders for the straps when you're getting the kid seated. One tip on the latch attachments-they don't have the arrows indicated in the manual, but you want the nice looking sides to be up. I was particularly impressed by the height adjustment on this seat, which will make it really easy for the seat to grow with my child. Since this seat is very plush, it does take up more space than other models. I also prefer starting my infant in a click-base removable seat when they are little, since it's much easier to take them along without having to remove the buckles. The All-In-Ones are then great for the rest of the time. If you're looking for a plush and full-featured car seat, the Maxi-Cosi Pria is a great option.
Customer Images
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St. Louis
Awesome Car Seat Once Installed!
October 28, 2021
This car seat is great! I love the cushion feel of it making it extra comfortable for my 16-month-old. The headrest and shoulder straps also add an extra layer of comfort. I also really appreciate the fabric that goes over the buckle in case it gets hot outside. It is easy to loosen and tighten the straps when putting my daughter in and taking her out of the car seat. The shoulder straps are easily adjustable for when she grows. I also really like the fact there are 2 cup holders and magnetic buckle holders. The car seat itself is not heavy like some of my other car seats are. I like that the inserts can easily be removed if not needed or wanted. I also appreciate the fact that this car seat can be used throughout the entire lifespan through all stages of development.

Overall, this car seat is amazing, and I would recommend it to anyone looking for an all-in-one car seat. The only problem I ran into was installation. Installing this car seat was not easy whatsoever. I like to test the ease of a car seat install in the backseat of my husband's 2 door Dodge Challenger. I prefer to install using the latch system. My daughter is still rear-facing, and I plan to keep her that way until she maxes out the requirements. The latch system was almost impossible to maneuver. I could not get them tight enough to where the seat wouldn't move more than an inch from side to side. I tried all 3 seats that were available in my husband's back seat, and it would not get tight enough. I then tried in my minivan to see if it was just my husband's car. Sadly, no. The latch system would not work for me, and my husband tried tightening the latch system as well (he's very strong) and when he couldn't get it, I gave up. The seatbelt install worked perfectly fine and took me less than 2 minutes to do. If you are looking to use the latch system, I would not recommend this car seat, however, the seat belt install works perfectly fine!
This product review was collected by the manufacturer.
Customer Q&A