Cybex Sirona G3 i-Size Car Seat - Almond Beige

Rotation 360°
Maximum age Up to 4 years old
Maximum weight Up to 20 kg
Approval i-Size
269,95€ 229,46€

Price in the last 30 days: 269,95€

Product by order
Ref: 526001313
The Cybex Sirona G3 i-Size is a 360° rotating car seat that keeps your child rear-facing up to 4 years, with linear side impact protection and several recline positions. It installs on an Isofix base, sold separately.

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Why you should buy the Cybex Sirona G3 i-Size Plus Moon Black

The Sirona G3 i-Size is a next-generation 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 G3 i-Size car seat, focusing on important details.

Cybex Sirona G3 i-Size Review at Bonabebe

https://www.youtube.com/watch?v=NodhuWu-xIA

ADAC Awards and International Recognition

The Sirona G3 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 child safety testing organizations.

✔ Tests based on demanding criteria
✔ High levels of protection in frontal and side impacts
✔ 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 G3 i-Size Car Seat Rear-facing up to 19 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 19 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
  • Protection for head, shoulders, and torso
  • Reinforced structure with progressive absorption

An essential element to enhance side protection and minimize risks.

Isofix Base Sold Separately with 360° Rotation

The 360° rotation feature completely transforms the user experience.

  • Allows turning the seat towards the door
  • Facilitates child entry and exit
  • Reduces strain on parents' backs
  • Simple switching between positions
  • Isofix Base not included
  • Base sold separately here

The rotating seat is ideal for daily use, making every journey faster and more comfortable.

Ventilation for Maximum Comfort

The 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 hot climates

Perfect for keeping the baby comfortable even on long journeys.

Adaptable Growth and Ergonomics

The Cybex Sirona G3 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 Sirona G3 i-Size Moon Black

https://www.youtube.com/watch?v=TlmvZDTbh04

Technical specifications Details Model Cybex Sirona G i-Size Safety Standard UN R129/04 (i-Size) Child Height 61 – 105 cm Maximum Weight Up to 19 kg Recommended Age From 3 months up to approx. 4 years Travel Position Rear-facing (up to 19 kg) and forward-facing (min. 15 months) Rotation System 360° Rotation Installation ISOFIX - base not included 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 vehicles with ISOFIX Compatible Accessories Newborn insert, summer cover, SensorSafe, cup holder Frequently Asked Questions Cybex Car Seat Sirona G3 i-Size



Does the car seat include an Isofix base?


No, this car seat does not include an Isofix base. It must be purchased separately here .




What is the recommended age for the Sirona G3 i-Size?


From 3 months up to approximately 4 years (61 to 105 cm, up to 19 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?


The Isofix G3 Base (sold separately) allows the seat to be rotated completely 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 Sirona G3 i-Size Car Seat at Bonabebe ❤

  • With us, you will receive 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
Approvali-Size (UN R129)
Installation directionrear-facing up to 4 years
Maximum weightup to 20 kg
Rotation360°
Headrestheight adjustable
Reclineseveral positions
Ventilationexcellent ventilation system
ISOFIX basenot included (sold separately)
269,95€ 229,46€

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Highlights and features of Cybex Sirona G3 i-Size Car Seat - Almond Beige

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

360° rotation

It rotates 360° so you can put your child in and take them out effortlessly and easily switch between rear-facing and forward-facing.

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

Linear side impact protection

Linear side-impact protection system that reinforces your child's safety in the event of a side collision.

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

Adjustable headrest

The headrest adjusts in height to grow with your child and always keep the ideal position.

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

Several recline positions

It offers several recline positions to ensure the child's comfort, whether awake or asleep.

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

Excellent ventilation

Ventilation system that keeps your child cool and comfortable, even on the longest journeys.

Cybex Cadeira Auto Sirona G3 i-Size - Magic Black

Easier getting in and out

The harness fastens out of the way to make it easier to put your child in and take them out of the seat.

Why you'll love it

360° rotation
360° rotation
Rear-facing
Rear-facing
Isofix installation
Isofix installation
Compatible with Isofix base
Compatible with Isofix base
Adjustable headrest
Adjustable headrest

See in video

Certifications and approvals

i-Size

A car seat approved to the i-Size (UN R129) regulation, which ensures high safety standards and an installation suited to the child's height and age.

Frequently asked questions about Cybex Sirona G3 i-Size Car Seat - Almond Beige

Is the Isofix base included?

No. The ISOFIX base is sold separately.

Up to what age can I use the car seat rear-facing?

It can be used rear-facing up to 4 years, which corresponds to around 20 kg.

Does the seat rotate?

Yes, it rotates 360° to make it easier to get your child in and out and to switch the direction of travel.

Can I adjust the recline?

Yes, it has several recline positions for your child's comfort.

Is it cool in summer?

Yes, it has an excellent ventilation system that helps keep your child comfortable.

Does the headrest grow with your child?

Yes, the headrest is height-adjustable.