Feira do Bebé Bonabebe 2026

Why you should buy the Cybex Sirona Gi i-Size Car Seat Stormy Blue

The Sirona Gi i-Size is a state-of-the-art car seat from the Cybex Gold range, designed to offer maximum automotive safety, comfort, and everyday practicality. 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 Recognition

The 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 the most stringent European organizations for child safety testing.

✔ Tests based on demanding criteria (including ADAC 2022)
✔ High levels of protection in frontal and side impacts
✔ Up to 50% safer in the rear-facing position

These recognitions reinforce confidence in this car seat as a top solution for child road safety.

Advanced Safety in the Cybex Sirona Gi i-Size Car Seat Rear-facing up to 20 kg

The 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 risk reduction in frontal impact
• Ideal up to around 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 the event of a side impact.

• Effective absorption of impact energy
• Head, shoulder, and torso protection
• Reinforced structure with progressive absorption

An essential element to reinforce side protection and minimize risks.

360° Rotation: Total Practicality in Everyday Life

The 360° rotation functionality completely transforms the user experience.

• Allows the seat to be turned towards the door
• Facilitates the child's entry and exit
• Reduces back strain for parents
• Simple switching between positions

The rotating seat is ideal for daily use, making every trip quicker and more comfortable.

Ventilation for Maximum Comfort

Ventilation ensures excellent air circulation within the car seat.

• Integrated air channel system
• Reduced heat build-up
• Thermal comfort in all seasons

Plus Version:

• 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 Ergonomics

The Cybex Sirona Gi i-Size accompanies the child's growth from the first months up to around 4 years of age.

• 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 Sirona Gi i-Size Car Seat Stormy Blue

https://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 around 4 years old 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-around ventilation (Plus version with breathable fabric) Compatibility Compatible with most vehicles with ISOFIX Compatible Accessories Newborn insert, summer cover, SensorSafe, cup holder Instruction Manual 

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Frequently Asked Questions Cybex Sirona Gi i-Size Car Seat Stormy Blue

What is the recommended age for the Sirona Gi i-Size?

From 3 months up to approximately 4 years old (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 rotate completely to facilitate access to the child and switch between positions.

Does the ventilation really make a difference?

Yes. The all-around 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 Sirona Gi i-Size Car Seat Stormy Blue from Bonabebe ❤

• With us, you will have specialized human support before, during, and after the purchase
• Child road safety techniques
• Safest products on the European market for babies
• Babywearing consultants
• Local business
• Women-owned
• LGBTQ+ friendly

Why you should buy the Cybex Pallas G3 i-Size Car Seat

✅ Durable 2-in-1 solution: accompanies the child from 15 months up to approx. 12 years, reducing the need to frequently change car seats.
✅ Airbag-inspired safety technology: integrated impact shield reduces the risk of neck injuries in a frontal impact compared to a traditional harness.
✅ Advanced side protection: the Linear Side-impact Protection System Plus (L.S.P. System Plus) reduces side forces by up to 20%.
✅ Reclining headrest: substantially improves head protection in side collisions and during sleep.
✅ Intuitive one-click installation: quick and comfortable fastening for both children and parents.
✅ Full ventilation: air system that maintains a comfortable environment even in hot climates

The Cybex Pallas G3 i-Size Car Seat is a long-term 2-in-1 solution, designed to accompany the child from 15 months up to ~12 years (76 – 150 cm). With UN R129/04 (i-Size) approval, it offers superior safety, ergonomic comfort, and intuitive functionality that make car journeys more peaceful for children and parents. The impact shield protection technology acts similarly to an airbag, significantly reducing the risk of neck injuries in frontal collisions and providing a simple one-click adjustment.

Key features

Airbag Inspired Safety