Cybex Sirona Gi i-Size Plus Car Seat - Ocean Blue
Price in the last 30 days: 329,95€
Goes well with
The Sirona Gi i-Size is a state-of-the-art car seat from the Cybex Gold range, designed to offer maximum car safety, comfort, and everyday practicality. With 360° rotation, an advanced side impact protection system, and compliance with the i-Size (UN R129) standard, this car seat stands out as a premium choice for discerning parents.
In this description, we explore all the features, advantages, and specifications of the Cybex Sirona Gi i-Size car seat, focusing on important details.
ADAC Awards and International RecognitionThe Sirona Gi i-Size is part of the renowned Cybex Gold line, synonymous with German quality (engineered in Germany) and constant innovation. This model has been distinguished with ADAC awards and positive evaluations from Stiftung Warentest — two of Europe's most rigorous organizations for child safety testing.
✔ Tests based on demanding criteria (including ADAC 2022)
✔ High levels of protection in frontal and side impact
✔ Up to 50% safer in the rear-facing position
These recognitions reinforce confidence in this car seat as a top-tier solution in child road safety.
Advanced Safety in the Cybex Sirona Gi i-Size Car Seat Rear-facing up to 20 kgThe rear-facing position is essential to reduce the forces exerted on the child's neck in the event of a frontal collision.
- Mandatory up to 15 months (76 cm)
- Extended use up to 20 kg
- Significant risk reduction in frontal impact
- Ideal up to around 4 years old
This configuration keeps the child protected during one of the most critical developmental stages, being 5 times safer.
Linear Side-impact Protection (L.S.P.)The integrated Linear Side-impact Protection (L.S.P.) offers an additional layer of safety in the event of a side impact.
- Effective absorption of impact energy
- Protection of the head, shoulders, and torso
- Reinforced structure with progressive absorption
An essential element to reinforce side protection and minimize risks.
360° Rotation: Total Practicality in Everyday LifeThe 360° rotation feature completely transforms the user experience.
- Allows the seat to be turned towards the door
- Facilitates the child's entry and exit
- Reduces strain on parents' backs
- Simple switching between positions
The rotational seat is ideal for daily use, making every trip quicker and more comfortable.
Ventilation for Maximum ComfortThe ventilation ensures excellent air circulation within the car seat.
- Integrated air channel system
- Reduction of accumulated heat
- Thermal comfort in all seasons
- Breathable mesh fabric
- Up to 6x more ventilation
- Ideal for hot climates
Perfect for keeping the baby comfortable even on long journeys.
Adaptive Growth and ErgonomicsThe Cybex Sirona Gi i-Size accompanies the child's growth from the first months up to around 4 years old.
- Adjustable headrest
- Multiple recline positions
- Newborn insert (optional, sold separately)
- Continuous ergonomic adjustment
A car seat designed to evolve with your child.
How to use the Cybex Car Seat Sirona Gi i-Size Ocean Bluehttps://www.youtube.com/watch?v=5O3jvCdv4f0
Technical Specifications Details Model Cybex Sirona Gi i-Size Safety Standard UN R129/03 (i-Size) Child Height 61 – 105 cm Maximum Weight Up to 20 kg Recommended Age From 3 months up to approx. 4 years Travel Position Rear-facing (up to 20 kg) and forward-facing (min. 15 months) Rotation System 360° Rotation Installation ISOFIX with included base Safety System Linear Side-impact Protection (L.S.P.) Recline Multiple adjustable positions Headrest Height adjustable Ventilation All-round ventilation (Plus version with breathable fabric) Compatibility Compatible with most ISOFIX vehicles Compatible Accessories Newborn insert, summer cover, SensorSafe, cup holder Instruction Manualdownload
Frequently Asked Questions Cybex Car Seat Sirona Gi i-Size Ocean BlueWhat is the recommended age for the Sirona Gi i-Size?
From 3 months up to around 4 years (61 to 105 cm, up to 20 kg).
Can the car seat be used forward-facing?
Yes, but only after 15 months and 76 cm. The rear-facing position is always safer.
How does 360° rotation work?
It allows the seat to rotate completely to facilitate child access and switch between positions.
Does the ventilation really make a difference?
Yes. The all-round ventilation significantly improves thermal comfort, especially in the Plus version.
Does the car seat have good safety ratings?
Yes. It has received ADAC awards and complies with the i-Size UN R129 standard, ensuring high safety standards.
Why order the Cybex Car Seat Sirona Gi i-Size Ocean Blue from Bonabebe ❤
- With us, you will have specialized human support before, during, and after purchase
- Child road safety techniques
- Safest products on the European market for babies
- Babywearing consultants
- Local business
- Women-owned
- LGBTQ+ friendly
| Safety standard | UN R129/03 (i-Size) |
|---|---|
| Child height | 61–105 cm |
| Maximum weight | Up to 20 kg |
| Recommended age | From 3 months to approximately 4 years |
| Travel position | Rear-facing (up to 20 kg) and forward-facing (min. 15 months) |
| Rotation system | 360° rotation |
| Installation | ISOFIX with base included |
| Safety system | Linear Side-impact Protection (L.S.P.) |
| Recline | Multiple adjustable positions |
| Headrest | Height-adjustable |
| Ventilation | All-round (Plus version with breathable fabric) |
| Compatibility | Compatible with most ISOFIX vehicles |
- Cybex Sirona Gi i-Size car seat
- Isofix base included
Highlights and features of Cybex Sirona Gi i-Size Plus Car Seat - Ocean Blue

360° rotation

Rear-facing up to 20 kg

Linear Side-impact Protection (L.S.P.)

Ventilation for maximum comfort

Adaptable growth and ergonomics
Why you'll love it
See in video
Certifications and approvals
i-Size approval ensuring high safety standards, with mandatory rear-facing installation up to 15 months and protection for the head, neck and spine.
Recognised with ADAC awards, one of the most rigorous European bodies for child safety testing, based on demanding criteria (including ADAC 2022).
It received positive ratings from Stiftung Warentest, another leading European safety testing body.


