Cybex Sirona Gi i-Size Plus Car Seat - Moon Black
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 practicality for everyday use. With 360° rotation, an advanced side 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 awarded ADAC prizes and positive ratings from Stiftung Warentest — two of the most stringent European bodies 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 rear-facing position
These recognitions reinforce confidence in this car seat as a top 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 crucial 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 reduction of risk in frontal impact
- Ideal up to about 4 years old
This configuration keeps the child protected during one of the most critical stages of development, 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 case of side impact.
- Effective absorption of impact energy
- Protection for head, shoulders, and torso
- Reinforced structure with progressive absorption
An essential element to reinforce side protection and minimize risks.
360° Rotation: Total Practicality for Everyday UseThe 360° rotation feature completely transforms the user experience.
- Allows the seat to be turned towards the door
- Facilitates getting the child in and out
- Reduces strain on parents' backs
- Simple switching between positions
The rotating car seat is ideal for daily use, making every trip faster 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 warm climates
Perfect for keeping the baby comfortable even on long journeys.
Adaptable Growth and ErgonomicsThe Cybex Sirona Gi i-Size accompanies the child's growth from the first months up to about 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 Moon Plushttps://www.youtube.com/watch?v=5O3jvCdv4f0
Technical Specifications Details Model Cybex Sirona Gi i-Size Safety Standard UN R129/03 (i-Size) Child's Height 61 – 105 cm Maximum Weight Up to 20 kg Recommended Age From 3 months up to about 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 reducer, summer cover, SensorSafe, cup holder Instruction manualdownload
Frequently Asked Questions Cybex Car Seat Sirona Gi i-Size Moon PlusWhat is the recommended age for the Sirona Gi i-Size?
From 3 months up to about 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 the 360° rotation work?
It allows the seat to be fully rotated to facilitate access to the child 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 Moon Plus from Bonabebe ❤
- With us, you will have human specialized support before, during, and after your 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 - Moon Black

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.


