Hi there! We're here to help you decide between the Diono Radian 3R and the Nuna aace.
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 3R | Nuna aace | |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster |
High Back Booster |
Current price |
Currently unavailable
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Currently unavailable
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Rating | 4.70 | 4.57 |
Our Thoughts
When it comes to car seat options for your child, there are two strong contenders: the Diono Radian 3R and the Nuna AACE. Each seat comes with its own set of strengths and unique features, making the decision one that should hinge on your individual needs as a family.
The Diono Radian 3R is a convertible car seat renowned for its slim profile and robust build. It can handle different seating positions: rear-facing, forward-facing, and as a high-back booster. This versatile seat is loved not only for its functional flexibility, but also for its ability to fit three across in most vehicles. This is due to its narrow design, making it a dream come true for families with smaller cars or multiple children. It offers a sturdy steel frame construction and memory foam padding, adding to both safety and comfort. Additionally, it accomodates children upto 100 pounds in the booster mode and upto 65 pounds in the forward-facing configuration. It is also FAA- approved for both forward and rear-facing modes. However, some points to consider are its weight and some difficulty in installation in smaller cars. There have also been reports about difficulty with removing and cleaning the cover.
The Nuna AACE, on the other hand, transitions from a high-back booster to a no-back booster, ideal for children over 4 years old and boasts a slightly higher maximum weight limit of 120 pounds in the no-back booster configuration. It shines for its commitment to safety with features like its SIP side-impact protection pods and energy-absorbing foam. Parents will appreciate its machine washable fabric and simple disassembly for cleaning. It does fall slightly behind the Diono in terms of versatility, as it does not offer the convenience of being used in a rear-facing position. However, it makes up for this with its sleek modern design and commitment to comfort.
In essence, choosing between these two will come down to what is most crucial for you as parents. If you are looking for a long-term investment, with a car seat that will adjust with your child as they grow, and especially if you have multiple children or a smaller car, the Diono Radian 3R might be your best bet. However, if you place more importance on a higher weight limit, resounding safety features, and a sleek design, and are willing to spend a little more, the Nuna AACE may better suit your needs. Regardless of your choice, both options prioritize your child’s safety and comfort, promising a safe journey for the little ones.
Key Details
Radian 3R | aace | |
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Brand | Diono | Nuna |
Type |
Convertible Rear-Facing Forward-Facing High Back Booster |
High Back Booster |
Weighted Rating | 4.70 | 4.57 |
1 yr Price Range | $155.39 - $199.98 | $250 - $250 |
Current price |
Currently unavailable
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Currently unavailable
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Value |
![]() Offers a long lifespan and versatile seating options, making it a cost-effective choice over time. |
![]() The AACE, while on the pricier side, offers exceptional durability and quality, justifying its cost with long-term usability and high resale value. |
Safety |
![]() Features a steel frame for enhanced safety and reliability, scoring high in safety ratings. |
![]() This seat boasts advanced safety features like energy-absorbing foam, side-impact protection pods, and a belt positioner, ensuring enhanced security. |
Features |
![]() Despite its minimalist design, it includes essential features like memory foam padding and a foldable design for travel (converts into a backpack!) |
![]() Its 3-D growth system, multiple recline options, and no added fire-retardant chemicals mark it as a feature-rich option. |
Installation |
![]() Installation experiences vary; some find it straightforward, while others face challenges, especially in smaller vehicles. |
![]() Users find the installation process straightforward, thanks to its adjustable latch connectors and clear instructions. |
Cleaning |
![]() The seat cover is removable for cleaning, but some users report challenges in maintenance and durability. |
![]() The seat's machine-washable fabric and easy disassembly for cleaning add to its practicality. |
Size |
![]() Its slim profile is a standout feature, allowing for three-across seating in most cars. |
![]() While not the smallest booster, its design is space-efficient, offering ample room for growth without being overly bulky. |
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 3R and the Nuna aace. 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 3R | Nuna aace | |
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Height Range | 0 - 44 inches | |
Weight Range | 5 - 40 pounds |
Forward-facing
Diono Radian 3R | Nuna aace | |
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Height Range | 0 - 57 inches | |
Weight Range | 20 - 65 pounds |
Booster
Diono Radian 3R | Nuna aace | |
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Height Range | 0 - 57 inches | 38 - 60 inches |
Weight Range | 50 - 100 pounds | 40 - 120 pounds |
Dimensions and Weight
Diono Radian 3R | Nuna aace | |
---|---|---|
Width | 17.0 inches | 22.5 inches |
Height | 28.5 inches | 33.0 inches |
Depth | 16.0 inches | 15.0 inches |
Weight | 25.9 pounds | 15.6 pounds |
Core Specifications
Diono Radian 3R | Nuna aace | |
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Model Year | 2018 | 2021 |
Made In | China | China |
Frame Material | Reinforced Steel | Plastic |
Safety and Compliance
Diono Radian 3R | Nuna aace | |||||||||||||||||||||||||||||||||||||||||
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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 3R | Nuna aace | |
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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 3R | Nuna aace | |
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Manufacturers Warranty Length | 1 year | 2 years |
Lifespan | 10 Years | 10 Years |
Additional Links
See all Diono car seats | See all Nuna car seats |
Full review of the Diono Radian 3R Full review of the Nuna aace |