Hi there! We're here to help you decide between the CYBEX Sirona S and the Graco 4Ever DLX 4-in-1.
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 | Graco 4Ever DLX 4-in-1 | |
Type |
Convertible Rear-Facing Forward-Facing |
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 | 4.03 | 4.86 |
Our Thoughts
The CYBEX Sirona S and the Graco 4Ever DLX 4-in-1 are two convertible car seats both designed to grow with your child. The Sirona S features a unique 360° swivel design, SensorSafe technology, and enhanced side-impact protection, making it a standout choice for safety and comfort. On the other hand, the 4Ever DLX 4-in-1 boasts a four-in-one design making it suitable for children weighing between 4-120 lbs, meaning it could potentially be the only car seat needed from infancy through to elementary school years.
Both car seats offer an innovative selection of features. The Sirona S is especially known for its 360° swivel function, which allows easy placement and removal of the child. It also offers enhanced side-impact protection and an adjustable headrest for ultimate safety and comfort. Despite its innovative features, some parents found the car seat installation tricky, possibly due to its more specialized design. The 4Ever DLX 4-in-1, conversely, has been praised for its ease of installation, thanks to Graco's Click Connect feature.
In terms of size and weight, the CYBEX Sirona S is slightly larger and heavier, which may be worth considering if space is an issue in your car. Both these models provide robust safety features – the CYBEX Sirona S utilizes SensorSafe technology and a steel frame, while the Graco 4Ever DLX 4-in-1 boasts steel reinforcement and high safety ratings. Importantly, both car seats meet federal safety standards.
In terms of longevity and utility, the Graco 4Ever DLX 4-in-1 outshines with its versatility to adapt through four stages of a child’s growth. However, the CYBEX Sirona S has a higher weight limit for rear-facing use (up to 50 lbs compared to Graco's 40 lbs), allowing the child to remain in the safer rear-facing position for a longer period.
If budget is a consideration, the Graco 4Ever DLX 4-in-1 might appeal more due to its more affordable price range. However, the CYBEX Sirona S offers innovative features and advanced safety technology which could justify the higher price point for those who can afford it.
In the end, the selection depends on your personal needs and preferences. For those who highly prioritize easy installation and long-term use, the Graco 4Ever DLX 4-in-1 is an excellent choice. However, if innovative features and advanced safety technology are your top criteria, the CYBEX Sirona S provides a high-quality and distinctive solution. Whatever your choice, both these car seats offer trusted brand reputations and are designed to keep your little ones safe while on the road.
Key Details
Sirona S | 4Ever DLX 4-in-1 | |
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Brand | CYBEX | Graco |
Type |
Convertible Rear-Facing Forward-Facing |
Convertible Rear-Facing Forward-Facing High Back Booster Backless Booster |
Weighted Rating | 4.03 | 4.86 |
1 yr Price Range | $439.96 - $549.95 | $229.98 - $329.97 |
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. |
![]() The car seat offers longevity and versatility, providing more than just a basic necessity for a reasonable price. |
Safety |
![]() Integrated with SensorSafe technology and enhanced side-impact protection, providing top-tier safety for children. |
![]() Steel reinforcement and high satisfaction in safety ratings indicate a superior level of protection. |
Features |
![]() The 360° swivel design, magnetic buckle holders, and adjustable recline options set it apart from standard car seats. |
![]() Unique features like the rapid-remove cover and no-rethread harness stand out in its category. |
Installation |
![]() Installation can be challenging, with some parents finding it complex and time-consuming. |
![]() Graco's Click Connect feature and overall ease of installation have been well-received by parents. |
Cleaning |
![]() The seat cover is removable and machine washable, simplifying the cleaning process. |
![]() The ease of removing the cover without uninstalling the seat makes cleaning remarkably convenient. |
Size |
![]() While it’s not the most compact, its design accommodates growing children, balancing size with comfort and safety. |
![]() Its bulkiness may challenge parents with smaller cars or those needing to fit multiple seats. |
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 Graco 4Ever DLX 4-in-1. 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 | Graco 4Ever DLX 4-in-1 | |
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Height Range | 17 - 49 inches | 12 - 49 inches |
Weight Range | 4 - 50 pounds | 4 - 40 pounds |
Forward-facing
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |
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Height Range | 28 - 49 inches | 27 - 57 inches |
Weight Range | 22 - 65 pounds | 22 - 65 pounds |
Booster
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |
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Height Range | 43 - 57 inches | |
Weight Range | 40 - 120 pounds |
Dimensions and Weight
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |
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Width | 20.0 inches | 21.5 inches |
Height | 25.5 inches | 24.0 inches |
Depth | 25.3 inches | 20.0 inches |
Weight | 30.4 pounds | 22.8 pounds |
Core Specifications
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |
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Model Year | 2021 | 2021 |
Made In | China | China |
Frame Material | Reinforced Steel | Reinforced Steel |
Safety and Compliance
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |||||||||||||||||||||||||||||||||||||||||||||||||||
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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 High Back Booster Backless Booster |
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NHTSA Ease-of-Use Ratings |
Rear-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
CYBEX Sirona S | Graco 4Ever DLX 4-in-1 | |
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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 | Graco 4Ever DLX 4-in-1 | |
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Manufacturers Warranty Length | 2 years | 1 year |
Lifespan | 10 Years | 10 Years |
Additional Links
See all CYBEX car seats | See all Graco car seats |
Full review of the CYBEX Sirona S Full review of the Graco 4Ever DLX 4-in-1 |