Hi there! We're here to help you decide between the CYBEX Sirona S and the Nuna Rava.
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
CYBEX Sirona S | Nuna Rava | |
Type |
Convertible Rear-Facing Forward-Facing |
Convertible Rear-Facing Forward-Facing |
Current price |
Currently unavailable
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Currently unavailable
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Rating | 4.03 | 4.70 |
Our Thoughts
The CYBEX Sirona S and the Nuna Rava are both high-end convertible car seats equipped with state-of-the-art safety features. However, there are key differences in the design and functionality that might sway a parent's decision based on personal preferences and lifestyle.
The Sirona S by CYBEX is lauded for its unique 360° swivel feature, which brings convenience for parents when placing a child in the car. This function could be a lifesaver for those with back issues or who routinely park in tight spaces. Also, it boasts a SensorSafe Technology, a fascinating feature that offers critical safety alerts by connecting to a smartphone app. It offers advanced side-impact protection and accommodates kids up to a weight of 65lbs in the forward-facing position, and 50lbs when rear-facing. However, some parents might find its size quite bulky, especially for smaller vehicles, and the installation often challenging. Although the seat cover is machine washable, making cleaning easier, its higher price point might be something for parents to consider.
On the other hand, the Nuna Rava emphasizes unmatched safety and comfort, featuring an all-steel frame and advanced side-impact protection. An enticing feature of the Rava is its legroom extension, which allows up to 2 inches of added legroom in the rear-facing mode. Like the Sirona S, the Rava can accommodate children up to 65lbs in the forward-facing position and 50lbs when rear-facing. Though installation is markedly simpler with the unique door mechanism, the trade-off comes in its size - this model is quite bulky, making it a less optimal choice for smaller cars or those needing to frequently move the seat. Additionally, parents have commented that the fabric tends to stain and show wear relatively easily.
In conclusion, both the CYBEX Sirona S and Nuna Rava stand out for their impressive safety features and long-term value in accommodating growing children. The Sirona S might be a better fit for those who appreciate innovative features and can navigate around the initial complexity of installation. The Nuna Rava, on the other hand, would be an excellent choice for those who prioritize the ease of installation and exceptional comfort for their child. Looking at both products and considering their features, we recommend the Nuna Rava for its superior safety features if your budget allows for it. The simple installation and comfort it offers for your child makes it an excellent investment despite its higher price point.
Key Details
Sirona S | Rava | |
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Brand | CYBEX | Nuna |
Type |
Convertible Rear-Facing Forward-Facing |
Convertible Rear-Facing Forward-Facing |
Weighted Rating | 4.03 | 4.70 |
1 yr Price Range | $439.96 - $549.95 | $450 - $549.95 |
Current price |
Currently unavailable
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Currently unavailable
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Value |
![]() Offers advanced features and long-term use from infancy to toddler years, making it a cost-effective option despite its higher price point. |
![]() Despite a higher price point, the Rava’s durability and extensive features offer significant long-term value. |
Safety |
![]() Integrated with SensorSafe technology and enhanced side-impact protection, providing top-tier safety for children. |
![]() All-steel frame and advanced side-impact protection make the Rava a fortress of safety. |
Features |
![]() The 360° swivel design, magnetic buckle holders, and adjustable recline options set it apart from standard car seats. |
![]() Innovative legroom extension and hypoallergenic fabric set the Rava apart. |
Installation |
![]() Installation can be challenging, with some parents finding it complex and time-consuming. |
![]() The unique door mechanism ensures a hassle-free, secure installation. |
Cleaning |
![]() The seat cover is removable and machine washable, simplifying the cleaning process. |
![]() The Rava’s fabric is durable and comfortable, but no specific advantages in ease of cleaning have been observed. |
Size |
![]() While it’s not the most compact, its design accommodates growing children, balancing size with comfort and safety. |
![]() The Rava's premium features add to its bulk, which might be a consideration for smaller vehicles. |
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 CYBEX Sirona S and the Nuna Rava. 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
CYBEX Sirona S | Nuna Rava | |
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Height Range | 17 - 49 inches | 0 - 49 inches |
Weight Range | 4 - 50 pounds | 5 - 50 pounds |
Forward-facing
CYBEX Sirona S | Nuna Rava | |
---|---|---|
Height Range | 28 - 49 inches | 0 - 49 inches |
Weight Range | 22 - 65 pounds | 25 - 65 pounds |
Booster
Neither car seat has a Booster configuration.
Dimensions and Weight
CYBEX Sirona S | Nuna Rava | |
---|---|---|
Width | 20.0 inches | 19.0 inches |
Height | 25.5 inches | 31.0 inches |
Depth | 25.3 inches | 16.0 inches |
Weight | 30.4 pounds | 27.2 pounds |
Core Specifications
CYBEX Sirona S | Nuna Rava | |
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Model Year | 2021 | 2017 |
Made In | China | China |
Frame Material | Reinforced Steel | Reinforced Steel |
Safety and Compliance
CYBEX Sirona S | Nuna Rava | |||||||||||||||||||||
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Federal Safety Standards | Meets all standards | Meets all standards | ||||||||||||||||||||
Configurations FAA-Approved for Airplanes |
Rear-Facing Forward-Facing |
Forward-Facing Rear-Facing |
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NHTSA Ease-of-Use Ratings |
Rear-Facing Mode
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Not rated by NHTSA. | ||||||||||||||||||||
Previous Recalls | This car seat has never been recalled. | This car seat has never been recalled. |
Features
CYBEX Sirona S | Nuna Rava | |
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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
CYBEX Sirona S | Nuna Rava | |
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Manufacturers Warranty Length | 2 years | 2 years |
Lifespan | 10 Years | 10 Years |
Additional Links
See all CYBEX car seats | See all Nuna car seats |
Full review of the CYBEX Sirona S Full review of the Nuna Rava |