Hi there! We're here to help you decide between the Chicco MyFit and the Diono Radian 3RXT Safe+.
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
Chicco MyFit | Diono Radian 3RXT Safe+ | |
Type |
Convertible Forward-Facing High Back Booster |
Convertible Rear-Facing Forward-Facing High Back Booster Backless Booster |
Current price |
Currently unavailable
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Currently unavailable
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Rating | 4.79 | 4.58 |
Our Thoughts
The Chicco MyFit Car Seat and the Diono Radian 3RXT Safe Plus are both strong contenders in the child car seat market, each bringing unique features tailored to specific user needs.
The MyFit, a versatile and resilient option by Chicco, is designed for the long haul, adapting seamlessly to your little one’s growth from the toddler age to when they become a school-aged child. It transitions from a five-point harness for younger toddlers to a belt-positioning booster for bigger kids, which means your child can use it all the way up to 100 pounds of weight. This makes it a long-term choice that aligns perfectly with your child’s developmental journey and growth needs. The MyFit is also noted for its comfort, featuring thick, dual-density foam padding for superior coziness. However, this seat might not be the best choice for families needing to constantly transfer it between vehicles due to its substantial weight or for those with larger children, as the narrow build of this seat could be constraining.
On the other hand, the Diono Radian 3RXT Safe Plus is perfect for families with more than one child, thanks to its slim design that allows for three car seats to be fitted in one row. Moreover, it offers robust safety features and has a steel-reinforced frame and foam for side-impact protection, making it a highly safe choice for your little one. It's approved by the FAA for both forward and rear-facing configurations during travel, providing an advantage over the Chicco model which is only approved in the forward-facing configuration. But there is a catch, as the installation and reassembly of the Diono seat are considered quite challenging and can be cumbersome for parents needing frequent removal and cleaning of the seat cover.
In terms of each car seat's maximum weight capability, both provide solid options. The Chicco MyFit works excellently for forward-facing children up to 65 pounds and then transitions to a booster seat for kids up to 100 pounds. On the other hand, the Diono Radian 3RXT allows for a rear-facing configuration up to 50 pounds, forward-facing up to 65 pounds and can also be used as a booster seat for kids weighing up to 120 pounds, implying it can hold older or heavier children for longer.
In conclusion, if your priority is a long-term investment for the various stages of your child's growth, and you're not planning on frequently moving the seat between vehicles, then the Chicco MyFit car seat could be the right fit. If you value robust safety features, have multiple kids or need to maximize space in your car, then Diono Radian 3RXT may be more suitable. Both are excellent choices with individual strengths, and the choice ultimately depends on the specific needs of your family.
Key Details
MyFit | Radian 3RXT Safe+ | |
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Brand | Chicco | Diono |
Type |
Convertible Forward-Facing High Back Booster |
Convertible Rear-Facing Forward-Facing High Back Booster Backless Booster |
Weighted Rating | 4.79 | 4.58 |
1 yr Price Range | $164.99 - $219.99 | $259.99 - $349.99 |
Current price |
Currently unavailable
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Currently unavailable
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Value |
![]() Priced reasonably, the Chicco MyFit offers longevity and adaptability, providing value over time. |
![]() Offers robust safety features and long-term usability, justifying its price. |
Safety |
![]() With a strong safety reputation and positive ratings, it meets the needs of safety-conscious parents. |
![]() Steel-reinforced frame and comprehensive protection measures are a standout. |
Features |
![]() Boasts features like side-impact protection, a no-rethread harness, and fold-away cup holders. |
![]() The 12-position headrest and machine-washable cover add notable convenience. |
Installation |
![]() Users find the installation process intuitive with the LATCH system and clear instructions. |
![]() Installation and reassembly, especially of the seat cover, are noted as challenging. |
Cleaning |
![]() The seat cover is removable and washable, making it easy to keep clean. |
![]() The machine-washable cover is practical, but reinstallation can be cumbersome. |
Size |
![]() While compact, some parents may find it heavy and challenging to move between vehicles. |
![]() Its narrow design is ideal for fitting multiple car seats in a vehicle. |
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 Chicco MyFit and the Diono Radian 3RXT Safe+. 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
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Height Range | 18 - 44 inches | |
Weight Range | 4 - 50 pounds |
Forward-facing
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Height Range | 0 - 54 inches | 30 - 57 inches |
Weight Range | 25 - 65 pounds | 22 - 65 pounds |
Booster
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Height Range | 38 - 57 inches | 40 - 57 inches |
Weight Range | 40 - 100 pounds | 40 - 120 pounds |
Dimensions and Weight
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Width | 17.5 inches | 17.0 inches |
Height | 21.0 inches | 28.5 inches |
Depth | 26.0 inches | 16.0 inches |
Weight | 25.0 pounds | 30.6 pounds |
Core Specifications
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Model Year | 2018 | 2018 |
Made In | China | China |
Frame Material | Reinforced Steel | Reinforced Steel |
Safety and Compliance
Chicco MyFit | Diono Radian 3RXT Safe+ | |||||||||||||||||||||||||||||||||||||||||||||||||||
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Federal Safety Standards | Meets all standards | Meets all standards | ||||||||||||||||||||||||||||||||||||||||||||||||||
Configurations FAA-Approved for Airplanes |
Forward-Facing High Back Booster |
Forward-Facing Rear-Facing High Back Booster Backless Booster |
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NHTSA Ease-of-Use Ratings |
Forward-Facing Mode
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Rear-Facing Mode
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Previous Recalls | This car seat has never been recalled. | This car seat has never been recalled. |
Features
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Attachment Methods |
LATCH Seatbelt |
LATCH Seatbelt |
Harness Type | 5-Point | 5-Point |
Cup Holders | Has cup holders. | Has cup holders. |
Warranty and Durability
Chicco MyFit | Diono Radian 3RXT Safe+ | |
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Manufacturers Warranty Length | 1 year | 1 year |
Lifespan | 8 Years | 10 Years |
Additional Links
See all Chicco car seats | See all Diono car seats |
Full review of the Chicco MyFit Full review of the Diono Radian 3RXT Safe+ |