Chicco MyFit vs. Diono Radian 3R: Which is Better? (2024)

Compare the two car seats side-by-side

Hi there! We're here to help you decide between the Chicco MyFit and the Diono Radian 3R.

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 3R
Type Convertible

Forward-Facing High Back Booster
Convertible

Rear-Facing Forward-Facing High Back Booster
Current price
In stock
$219.99
In stock
$169.99
Rating 4.79 4.70

Our Thoughts

The choice between the Chicco MyFit and the Diono Radian 3R car seats can have parents drawing comparisons across various factors. Both offering commendable safety features, adjustable fitting to suit the child's growth stages, and value over time, there are some distinct differences that might steer your decision one way or another.

Firstly, let's look at the Chicco MyFit. This car seat stands out for its twin functionality as both a harness and booster seat combined with comfort-centric features. From an impressive limb support with thick, dual-density foam padding to an adjustable headrest for growing children, the attention to comfort is hard to miss. The 25lb to 100 lb weight capacity, transitioning smoothly from a harness seat to a booster one, ensures this seat can be a long-term companion to your child's journey. However, parents planning to frequently switch this seat across multiple vehicles should be warned: Despite its compact size, the car seat is notably hefty and larger kids might find the seat somewhat restricting.

On the other hand, the Diono Radian 3R offers distinct advantages of its own. The slim profile design that allows for three-across seating is a significant draw for families with multiple kids or those with smaller vehicles. The steel frame construction exudes durability, and the memory foam padding amplifies comfort. What makes this seat a contender is its versatile seating options starting from new-born (5lbs) to a hefty 100 lbs, seamlessly adaptable from rear-facing to forward-facing, and finally a high-back booster mode. However, some users have reported difficulties in installation, particularly in compact vehicles, as well as a lack of sufficient head support in some setups.

Analyzing both car seats, the preference hinges on multiple conditional factors. If you're seeking a car seat that boasts of robust safety features, excellent comfort, and ease of adjustment and don't mind a heavier seat, the Chicco MyFit would be your go-to choice. However, if you have multiple children, a smaller vehicle, or need to maximize car space without the trade-off on safety, the Diono Radian 3R's slim design might just tip the scales in its favor, despite its installation quirks.

Key Details

MyFit Radian 3R
Chicco MyFit Diono Radian 3R
Brand Chicco Diono
Type Convertible

Forward-Facing High Back Booster
Convertible

Rear-Facing Forward-Facing High Back Booster
Weighted Rating 4.79 4.70
1 yr Price Range $164.99 - $219.99 $155.39 - $199.98
Current price
In stock
$219.99
In stock
$169.99
Value

Priced reasonably, the Chicco MyFit offers longevity and adaptability, providing value over time.

Offers a long lifespan and versatile seating options, making it a cost-effective choice over time.

Safety

With a strong safety reputation and positive ratings, it meets the needs of safety-conscious parents.

Features a steel frame for enhanced safety and reliability, scoring high in safety ratings.

Features

Boasts features like side-impact protection, a no-rethread harness, and fold-away cup holders.

Despite its minimalist design, it includes essential features like memory foam padding and a foldable design for travel (converts into a backpack!)

Installation

Users find the installation process intuitive with the LATCH system and clear instructions.

Installation experiences vary; some find it straightforward, while others face challenges, especially in smaller vehicles.

Cleaning

The seat cover is removable and washable, making it easy to keep clean.

The seat cover is removable for cleaning, but some users report challenges in maintenance and durability.

Size

While compact, some parents may find it heavy and challenging to move between vehicles.

Its slim profile is a standout feature, allowing for three-across seating in most cars.

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 3R. 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 3R
Height Range 0 - 44 inches
Weight Range 5 - 40 pounds

Forward-facing

Chicco MyFit Diono Radian 3R
Height Range 0 - 54 inches 0 - 57 inches
Weight Range 25 - 65 pounds 20 - 65 pounds

Booster

Chicco MyFit Diono Radian 3R
Height Range 38 - 57 inches 0 - 57 inches
Weight Range 40 - 100 pounds 50 - 100 pounds

Dimensions and Weight

Chicco MyFit Diono Radian 3R
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 25.9 pounds

Core Specifications

Chicco MyFit Diono Radian 3R
Model Year 2018 2018
Made In China China
Frame Material Reinforced Steel Reinforced Steel

Safety and Compliance

Chicco MyFit Diono Radian 3R
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
NHTSA Ease-of-Use Ratings Forward-Facing Mode
Overall 3 out of 5 stars
Labels 2 out of 5 stars
Instructions 4 out of 5 stars
Securing 3 out of 5 stars
Installation Features 5 out of 5 stars
Booster Mode
Overall 3 out of 5 stars
Labels 3 out of 5 stars
Instructions 3 out of 5 stars
Securing 1 out of 5 stars
Installation Features 5 out of 5 stars
Rear-Facing Mode
Overall 2 out of 5 stars
Labels 1 out of 5 stars
Instructions 3 out of 5 stars
Securing 2 out of 5 stars
Installation Features 2 out of 5 stars
Forward-Facing Mode
Overall 3 out of 5 stars
Labels 1 out of 5 stars
Instructions 3 out of 5 stars
Securing 3 out of 5 stars
Installation Features 5 out of 5 stars
Booster Mode
Overall 1 out of 5 stars
Labels 1 out of 5 stars
Instructions 4 out of 5 stars
Securing 1 out of 5 stars
Installation Features 1 out of 5 stars
Previous Recalls This car seat has never been recalled. This car seat has never been recalled.

Features

Chicco MyFit Diono Radian 3R
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 3R
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 3R