Hi there! We're here to help you decide between the Diono Radian 3RXT Safe+ and the Maxi-Cosi Rodisport.
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
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster Backless Booster |
High Back Booster |
Current price |
Currently unavailable
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Currently unavailable
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Rating | 4.58 | 4.63 |
Our Thoughts
When it comes to the safety and comfort of our children, it's vital to choose a car seat that ticks every box. Today, we are going to look at two options: the Diono Radian 3RXT Safe+ and the Maxi-Cosi Rodisport Booster Car Seat.
The Diono Radian 3RXT Safe+ is a convertible car seat designed to balance safety, comfort, and convenience. As a parent, one of the top items on our checklist is a robust safety feature, and this car seat does not disappoint with its steel-reinforced frame and EPS foam for side-impact protection. It is ideal for multiple-child families due to its slim design that allows fitting three car seats across the back of most vehicles. As your child grows, adjustments are smooth with its 12-position headrest. Cleaning won't be a hassle, either, with its machine-washable cover. However, do note that some parents found the reinstallation of the seat cover quite challenging, so it may require some patience.
However, the Diono Radian 3RXT isn't just about convenience. It demonstrates impressive flexibility, accommodating kids from rear-facing babies at 4 lbs up until older children up to 120 lbs in its booster-mode. It's FAA approved for forward and rear-facing configurations, and its impressively long lifespan of 10 years shows it’s an investment that will stick around. Do consider, though, that some parents found this seat unsuitable for taller children, with a seven-year-old already outgrowing this model.
On the other hand, we have the Maxi-Cosi Rodisport Booster Car Seat, an excellent choice for parents looking for a high-quality, combination booster seat. This model stands out for its sleek design and solid construction. With its ability to transition from a high back to a backless booster, it caters efficiently to your growing child. Featuring a rigid latch system, it ensures maximum stability and offers an easy installation process. The downside is its size limitation- it may not fit larger children comfortably, and it presents compatibility issues with certain vehicle types. Unlike the Diono Radian, this booster model is suitable for children weighing between 40 to 100 lbs.
Concluding, both car seats have their unique attributes and minor drawbacks. If you are a parent with multiple children who want a solid, convertible car seat with robust safety features and don't mind spending a bit more, go for the Diono Radian 3RXT Safe+. But if your kid has outgrown the need for a convertible seat and you're looking for a sophisticated, easy-to-install booster, opt for the Maxi-Cosi Rodisport. Always remember to consider your child's age, size, and your car type when making your final decision.
Key Details
Radian 3RXT Safe+ | Rodisport | |
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Brand | Diono | Maxi-Cosi |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster Backless Booster |
High Back Booster |
Weighted Rating | 4.58 | 4.63 |
1 yr Price Range | $259.99 - $349.99 | $179.99 - $179.99 |
Current price |
Currently unavailable
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Currently unavailable
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Value |
![]() Offers robust safety features and long-term usability, justifying its price. |
![]() Offers great features and comfort at a reasonable price. |
Safety |
![]() Steel-reinforced frame and comprehensive protection measures are a standout. |
![]() Equipped with a rigid latch system for maximum stability. |
Features |
![]() The 12-position headrest and machine-washable cover add notable convenience. |
![]() Versatile adjustments and design cater to various child sizes and needs. |
Installation |
![]() Installation and reassembly, especially of the seat cover, are noted as challenging. |
![]() Simple and quick installation process with built-in latches. |
Cleaning |
![]() The machine-washable cover is practical, but reinstallation can be cumbersome. |
![]() Standard cleaning ease, similar to most booster seats. |
Size |
![]() Its narrow design is ideal for fitting multiple car seats in a vehicle. |
![]() Slim design fits well in vehicles while offering ample space for the child. |
Review | Click here | Click here |
Comparison of Specifications
While features and reviews provide a sense of real-world use, the specs offer quantifiable details on sizing, limitations, and more. Comparing key measurements and ranges side-by-side is crucial for ensuring you choose a seat properly fitted for your child and vehicle.
We've compiled the weight limits, height limits, dimensions, and other vital statistics for the Diono Radian 3RXT Safe+ and the Maxi-Cosi Rodisport. This data will confirm whether each seat can accommodate your child's current size and projected growth. Specs like seat depth and width are also important for assessing fit with your car's backseat.
Review the following key measurements for both seats. Pay special attention to the height and weight limits to ensure your child falls within the safe ranges.
Height and Weight Limits
Rear-facing
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Height Range | 18 - 44 inches | |
Weight Range | 4 - 50 pounds |
Forward-facing
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Height Range | 30 - 57 inches | |
Weight Range | 22 - 65 pounds |
Booster
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Height Range | 40 - 57 inches | 43 - 57 inches |
Weight Range | 40 - 120 pounds | 40 - 100 pounds |
Dimensions and Weight
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Width | 17.0 inches | 19.2 inches |
Height | 28.5 inches | 35.1 inches |
Depth | 16.0 inches | 10.3 inches |
Weight | 30.6 pounds | 16.3 pounds |
Core Specifications
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Model Year | 2018 | 2021 |
Made In | China | China |
Frame Material | Reinforced Steel | Reinforced Steel |
Safety and Compliance
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |||||||||||||||||||||||||||||||||||||||||
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Federal Safety Standards | Meets all standards | Meets all standards | ||||||||||||||||||||||||||||||||||||||||
Configurations FAA-Approved for Airplanes |
Forward-Facing Rear-Facing High Back Booster Backless Booster |
High Back Booster Backless Booster |
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NHTSA Ease-of-Use Ratings |
Rear-Facing Mode
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Booster Mode
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Previous Recalls | This car seat has never been recalled. | This car seat has never been recalled. |
Features
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Attachment Methods |
LATCH Seatbelt |
Seatbelt |
Harness Type | 5-Point | N/A |
Cup Holders | Has cup holders. | Has cup holders. |
Warranty and Durability
Diono Radian 3RXT Safe+ | Maxi-Cosi Rodisport | |
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Manufacturers Warranty Length | 1 year | 1 year |
Lifespan | 10 Years | 10 Years |
Additional Links
See all Diono car seats | See all Maxi-Cosi car seats |
Full review of the Diono Radian 3RXT Safe+ Full review of the Maxi-Cosi Rodisport |