Diono Radian 3RXT Safe+ vs. Maxi-Cosi Pria Max: Which is Better? (2024)

Hi there! We're here to help you decide between the Diono Radian 3RXT Safe+ and the Maxi-Cosi Pria Max.

Our goal is to provide you with the information you need to feel confident that you're choosing the optimal car seat for your family's needs and budget. Let us know if you have any other questions!

At A Glance

Our Thoughts

Introducing two formidable car seat options: the Diono Radian 3RXT Safe+ and the Maxi-Cosi Pria Max. Both are highly rated for safety, feature user-friendly designs, and aim to accommodate your child's needs from infancy to toddlerhood. However, there are some substantial differences between them, which deserve some close examination.

Starting with the Diono Radian 3RXT Safe+, this car seat's slim design makes it a standout choice for families with multiple children or those with smaller vehicles. Thanks to its narrower build, it's possible to fit three of these across in most vehicles, providing a practical solution for larger families. The comfort quotient is high, with a 12-position adjustable headrest that ensures a comfortable ride no matter how much your child grows. However, this comfort feature does come with a downside as users report that the headrest can slip during travel. Additionally, while the cover is machine-washable for easy maintenance, reinstallation can be tricky. Users also note that this model has some limitations when it comes to accommodating older or taller children. On the safety side, the Diono Radian 3RXT Safe+ offers robust features including side-impact protection and a steel-reinforced frame, keeping your child secure even in the unfortunate event of an accident. Plus, it's approved for both rear and forward-facing travel, offering versatility while on the move.

On the other hand, the Maxi-Cosi Pria Max focuses on comfort, safety, and user convenience and is equipped with a variety of impressive features. One standout feature is the magnetic chest clip, a unique touch that simplifies the process of securing your child and is appreciated by parents for its ease of use. Unlike the Diono Radian, the Pria Max car seat provides a very comfortable and peaceful ride for even the fussiest of babies. However, it's worth pointing out that its size is a bit bulkier than the Diono Radian. If you frequently transfer car seats between vehicles, or if you're trying to maximize space in smaller cars, you might find this model a bit unwieldy. Safety-wise, the Maxi-Cosi Pria Max is equipped with advanced safety features including side-impact protection and boasts a durable build. Also, similar to the Diono Radian, the Pria Max allows both rear and forward-facing travel.

Both car seats have their pros and cons, and the final decision boils down to your family's specific needs. The Diono Radian 3RXT Safe+ is an ideal choice for parents with multiples or those with smaller cars. This seat offers a slim design, excellent safety features, and durability, but may not be the best fit for families with older children due to size limitations. The Maxi-Cosi Pria Max, on the other hand, is a great pick for families seeking a comfortable ride and high safety standards who have ample space in their vehicle. So, if space isn't an issue and comfort is your top priority, you might favor the Maxi-Cosi Pria Max—it's been proven to pacify even the fussiest of riders. However, if you’re a parent of multiple kids or limited on car space, we’d recommend considering the Diono Radian 3RXT Safe+. Both are indeed sizable investments, but their durability, comfort, and most importantly, safety features ensure they’re worthy investments for your family's daily journeys.