CYBEX Sirona S vs. Evenflo Revolve360 Slim: Which is Better? (2024)

Compare the two car seats side-by-side

Hi there! We're here to help you decide between the CYBEX Sirona S and the Evenflo Revolve360 Slim.

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 Evenflo Revolve360 Slim
Type Convertible

Rear-Facing Forward-Facing
Convertible

Rear-Facing Forward-Facing
Current price
In stock
$319.00
In stock
$262.49
Rating 4.03 4.62

Our Thoughts

The CYBEX Sirona S and Evenflo Revolve360 Slim both represent impressive advancements in convertible car seat technology, featuring unique 360-degree swivel mechanisms designed to simplify the task of getting your child in and out of the car. However, each seat comes with its own set of pros and cons, and the best choice for you will depend on your particular needs and circumstances.

The CYBEX Sirona S combines high-end materials and advanced safety features to provide a ride that's comfortable for your child and reassuring for you. Equipped with SensorSafe technology and enhanced side-impact protection, this model offers top-tier safety along with a range of user-friendly features such as one-hand adjustable recline and headrest, and magnetized buckle holders. However, some parents have reported challenges with the installation process, which can be complex and time-consuming. Also, the bulkiness of the seat might be of concern in smaller vehicles. Yet, its high-forward-facing weight limit of 65 pounds implies that the seat can see your child through from infancy to toddler years, making it a long-term investment.

On the other hand, Evenflo Revolve360 Slim stands out with its streamlined footprint designed to conserve space in compact vehicles or accommodate multiple car seats simultaneously. Despite its slim design, it does not compromise with safety or functionality offering easy one-handed rotation and an extended rear-facing weight capacity of up to 50 pounds. Its slim profile and lighter overall weight compared to the Sirona S make it easier to transfer among different vehicles. Even though some customers have voiced complaints about the thinness and twisting tendency of the harness straps, the seat meets safety standards and performs well in testing.

In comparison, the CYBEX Sirona S's innovative features and robust safety components make it a compelling choice for families prioritizing safety and functionality. On the other hand, Evenflo's Revolve360 Slim can be an incomparable asset for families aiming to maximize space without compromising on safety or ease of use.

Therefore, if you are a parent who values space maximization and anticipate the need to frequently transfer the car seat between vehicles, the Evenflo Revolve360 Slim would be an ideal choice. However, if safety is your utmost priority and you value features like the SensorSafe technology and are prepared to navigate a complicated installation process, the CYBEX Sirona S would serve as a long-term, dependable choice.

Key Details

Sirona S Revolve360 Slim
CYBEX Sirona S Evenflo Revolve360 Slim
Brand CYBEX Evenflo
Type Convertible

Rear-Facing Forward-Facing
Convertible

Rear-Facing Forward-Facing
Weighted Rating 4.03 4.62
1 yr Price Range $439.96 - $549.95 $296.99 - $349.99
Current price
In stock
$319.00
In stock
$262.49
Value

Offers advanced features and long-term use from infancy to toddler years, making it a cost-effective option despite its higher price point.

The price point is competitive, especially considering the innovative rotational feature and extended rear-facing capacity.

Safety

Integrated with SensorSafe technology and enhanced side-impact protection, providing top-tier safety for children.

It meets safety standards and performs well in testing, reassuring for extended rear-facing use.

Features

The 360° swivel design, magnetic buckle holders, and adjustable recline options set it apart from standard car seats.

The 360-degree rotation and slim design are standout features that are unique in the market.

Installation

Installation can be challenging, with some parents finding it complex and time-consuming.

While innovative, some customers report challenges with the installation process.

Cleaning

The seat cover is removable and machine washable, simplifying the cleaning process.

The seat cover is easily removable and machine washable, a convenient feature for parents.

Size

While it’s not the most compact, its design accommodates growing children, balancing size with comfort and safety.

Its slim profile is rare for a rotational seat, allowing for more room in compact 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 CYBEX Sirona S and the Evenflo Revolve360 Slim. 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 Evenflo Revolve360 Slim
Height Range 17 - 49 inches 17 - 48 inches
Weight Range 4 - 50 pounds 4 - 50 pounds

Forward-facing

CYBEX Sirona S Evenflo Revolve360 Slim
Height Range 28 - 49 inches 28 - 49 inches
Weight Range 22 - 65 pounds 22 - 65 pounds

Booster

Neither car seat has a Booster configuration.

Dimensions and Weight

CYBEX Sirona S Evenflo Revolve360 Slim
Width 20.0 inches 16.8 inches
Height 25.5 inches 24.3 inches
Depth 25.3 inches 21.0 inches
Weight 30.4 pounds 33.4 pounds

Core Specifications

CYBEX Sirona S Evenflo Revolve360 Slim
Model Year 2021 2022
Made In China China
Frame Material Reinforced Steel Reinforced Steel

Safety and Compliance

CYBEX Sirona S Evenflo Revolve360 Slim
Federal Safety Standards Meets all standards Meets all standards
Configurations FAA-Approved for Airplanes Rear-Facing
Forward-Facing
Forward-Facing
Rear-Facing
NHTSA Ease-of-Use Ratings Rear-Facing Mode
Overall 5 out of 5 stars
Labels 5 out of 5 stars
Instructions 5 out of 5 stars
Securing 5 out of 5 stars
Installation Features 5 out of 5 stars
Forward-Facing Mode
Overall 4 out of 5 stars
Labels 4 out of 5 stars
Instructions 4 out of 5 stars
Securing 5 out of 5 stars
Installation Features 5 out of 5 stars
Not rated by NHTSA.
Previous Recalls This car seat has never been recalled. This car seat has never been recalled.

Features

CYBEX Sirona S Evenflo Revolve360 Slim
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 Evenflo Revolve360 Slim
Manufacturers Warranty Length 2 years 90 days
Lifespan 10 Years 10 Years

Additional Links

See all CYBEX car seats See all Evenflo car seats
Full review of the CYBEX Sirona S
Full review of the Evenflo Revolve360 Slim