(as of May 25, 2025 04:21:07 UTC – Details)
Welcome a world of flexibility with Monterey 2XT. Suitable from 40 – 120 lb approx. 4 – 12 years. We all know that children grow at different rates, and not one size fits all. As one of the most flexible car seats youll find, Monterey 2XT is lightweight, super portable and with adjustable headrest and expandable sides, plus easily converts into a backless booster seat, ensuring a proper fit for your little one at every age. Featuring 11 headrest positions and 2 recline positions, Monterey 2XT can adapt quickly to growing children, with plenty of room for shoulders, hips and legs. A simple-to-use dial on the back adjusts the width of the seat up to 20 in wide, while the headrest adjusts up to 6.5 in height with one hand for an easy precise fit. Clever design thinking and award-winning safety features make the Diono difference. Thats why the Monterey 2XT includes our superior side impact protection with aluminum reinforced head support and energy absorbing EPS foam, to accommodate growth spurts without sacrificing protection. Equipped with simple connectors and front adjusters, Monterey 2XT can securely connect to your vehicle in seconds, enhancing safety and stability as well as allowing parents to switch between vehicles with ease. Lovingly engineered for every journey with 2x fold away cup holders to keep drinks or snacks upright and within reach, so both children and parents can sit back and relax.
8 Years One Booster – for your big kid from 40 – 120 lb. It’s all you will ever need.
Easy-adjust – 11-position headrest that grows up with your child. Engineered for safety and comfort with 2 layers of Side Impact Protection.
One of a kind – easy-adjust expandable backrest allows up to 6.5 in to grow with your big kid. With 2 layers of Side Impact Protection and deep padded cushioning.
Two built-in retractable 2-in-1 cup holder and snack tray – keeps your big kid’s drink close at hand and stows away their essentials.
Our contoured premium soft fabrics – with layered foam padding that provide comfort and support can be easily removed for machine washing.
SafePlus belt guides – easy access to seatbelt buckle help your big kid with self buckling – don’t forget to check though!
Easy, quick and secure installation – engineered with automotive steel LATCH connectors and 2 easy adjust LATCH straps allow you to quickly tighten and secure your booster to your vehicle.
Engineered with side impact protection – our rigid shell is reinforced with 2 layers of high-impact aluminum and EPS energy absorbing foam,to protect the head, shoulders, and torso.
Customers say
Customers find the car seat comfortable and easy to install, particularly appreciating the attachment to the latch anchors. The seat is sturdy and provides adequate protection, with safety features that grow with the child. They like its vibrant red color and consider it an amazing booster seat for children, with one customer noting it works well with Volvo XC60 and XC90 vehicles. Customers disagree on the size, with some finding it too wide for BMWs.
AI-generated from the text of customer reviews
K. D. –
Fits Volvo XC60 and XC90, great for tall kids!
I do wish the limits of the Diono seats with extra protection were as high as this one, but Iâm glad they have something that goes to such high height limits, and this still has very good safety features beyond the requirements. Our son is very tall and I was glad to find a seat he could use for such a long time. Weâve had this over a year nowâtwo of these actually, and the quality has been very good. My son also finds the seat very comfortable. We have two extremely hard to fit vehiclesâVolvo 2012 XC60 and 2013 XC90, and this seat actually fits and works with the non-removable headrests and jut forward. These are a very good value for the money because of the high height and weight limits. Glad to have found these.
Stephanie –
Just latches, no top tether anchor.
I have two kids (5 and 7) both with slight autism that are outgrowing their Graco convertible seats. With their seatâs expiration dates also closing in, I decided to go to make the leap of faith to regular seat belted boosters. I feel like I looked at every single one on Amazon before choosing these for their convertibility and price point.I was a little disappointed realizing that thereâs no anchor with these, just the latches. I assumed anchoring was included in latch system, thatâs on me. Obviously itâs because the seat transforms into backless, I guess I just thought the back would have that part. Oh well.The seatbelts ARE a little hard for kids to do themselves because of how wide the base is and how most buckles are designed to be flush with seats but hopefully the kids will get the hang of it. I will buy a seat belt buckle booster and see if that will aid the children in their independence.Side note! This may come off a little OCD but it bothered me. I ordered these two black seats at the same time, and they came with different accent colors⦠Literally changed the number in cart from 1 to 2. One seat has a GRAY Diono with a RED tag and one has a WHITE Diono with a GRAY tag. I included a picture but it may be hard to tell due to lighting. At first I thought they must have different manufacturers dates or be different models some how but nope they are exactly the same date and everything. I canât even exchange one because who knows which one Iâd get back lol. Donât judge me, pray for me lol.
eternalgreenknight –
So good we bought another
The daughter outgrew her baby car seat. We researched and this one had some great features, looked nice enough, and can eventually just become a booster, giving it a little more life over the long run- but in the meantime it provides the head guards and backing while sheâs still of the size where those are needed. Cup holders are a must, and this has them!Once itâs securely anchored, sheâs using the vehicles seat belt herself, and usually manages fine in the Odyssey, but struggles to reach the buckle in the CR-V, so as Iâm wary of getting an extension, I just buckle her in still.As mentioned, I bought another for the other vehicle- just so I can avoid moving this one back and forth for any quick trips or daddy-daughter outings. Once the son is older and needs a bigger seat, I may move the second back to the van, but would strongly consider buying at least one or two more just for convenience.
Nicole C –
Perfect Booster!
This was the third booster seat that I bought for my 6 yr old son. After a terrible car accident, I want comfortable putting him in a backless booster but heâs a big kid so I needed a larger size booster. Love the ability to widen the shoulder space, the seat is the widest version I could find, and the arm rests are well padded and open wide so they donât press into his hips. Great padding, love the easy latch system! Perfect for a big kid who you want to keep extra safe!
JDH –
High on Safety, Low on Comfort
I will agree with another reviewer on this seat. There is hardly any cushioning in this seat. It is all harder foam and the cover has hardly any cushioning. I choose this because I have the Diono Radian RXT(2018 model and a solid seat)which has a little more padding. My son is 8 and has out grown the 5 point harness of the RXT(he is small for his age). The RXT does convert to the booster, but I chose to get this booster because it looked to be more specific for the purpose, and cost is not as much of any issue for me when considering my son’s safety. This booster has the larger sidewalls for side impacts. This is important to me because I will be moving my son from the center seat(unfortunately, because of my truck not having a shoulder belt in the center). Looking at other brands, I don’t feel like the other seats would be that different in regards to comfort or cushioning, and this one seems safer looking to me. I like the look of the Monterey versus other seats because the sides and the head protection seems to be the largest that I have seen and it is reinforced with aluminum. It looks like a Nascar seat. If it’s good enough for Nascar, it is good enough for my son. I will say that I did add about a half inch of “luxury” cushioning to every part of this seat to provide more comfort and, I feel, more safety. I cut and molded them to fit perfectly. There was plenty of room under the cover to do this and I think it filled it out more. The cover seemed loose without it. I am like BASF. I don’t make the products that I buy, but I make them better, ha! Another reviewer stated that he did not think this was a safe seat, because he said when you pick up the seat from the back part, the bottom falls off. I will say that they could have designed this better to snap together so that doesn’t happen. The other reviewer also said that he was afraid that the back would come off in impact. That is not possible, because of the way it goes together, and once you put it in the car and “latch” it in, the back cannot come off. It only comes off when folded backwards to the flat position, which happens when you pick it up from the back. Again, this could have been designed better for transitioning to another vehicle or just removing and carrying it. Overall, I think this is as safe of a booster seat as you can get and I like the Diono products versus others in regards to design and safety features. They could do a little more in regards to comfort and padding for additional safety, so I would not have to modify it. A little extra padding would not cost that much to add and would definitely make this seat the best on the market, along with a locking mechanism for the back rest to the base. …..just my 3 cents. I will have to see about the buckling and shoulder strap issues that others have expressed once I have used this more.
peppa pig –
Great for larger kids
Love it.
Arbmoss –
Great Booster Seat
This seat was easy to assemble and install in my vehicle. It is well built and heavier than other booster I have encountered. It has two straps with latches to secure the seat to the vehicle unlike some I have encountered and returned. Granddaughter likes it and it appears to provide adequate protection so I would recommend this seat.
Jacqueline Tan –
My child (almost 7) is 37kg (about 90+pounds). We had a recaro for her which was supposed to last till she was 12yrs old but the weight limit for the Recaro was 36kg only. I’d spent hours reading reviews on car seats and almost bought a Britax until I realized that it would not be comfortable for the little one given her large size. This carseat came relatively quickly and had a manufacturing date of 2019. It was easy to assemble and felt very plush. The base of the car seat is rather wide. Her twin sister is 34kg so I will have to get another of this car seat pretty soon once she pushes the weight limit of her own recaro. I find that it is so easy to adjust the width of this car seat so if we ever to have 3 people sitting at the second row, I can just narrow the width of the wings to fit. Very pleased with this buy and would recommend this for those with large kids (99th percentile)
Guadalupe C. –
Súper buen producto, mi hijo se siente muy cómodo. Lo recomiendo
Gerardo Gerardo –
Excelente compra calidad precio, cumple con todo. Batallé mucho en encontrar una con LATCH /ISOFIX de cuerda flexible para ponerla en el centro, anclada de ambos lados.
Tim Heerema –
We’ve had our Diono Monterey for about a year. Install takes about 1-2 minutes, and is really easy. It sits securely in location without movement. My kid had no problem from day 1 of getting in and out from it. Be excited to move on from the 4-pt harness to this, we sure were.
Rebecca Brazil –
We love Diono! These are easy to instal and remove from vehicles and have a wide base that allows my kids to be super comfortable in their booster.