CYBEX Sirona G i-Size with Base G has been awarded an impressive rating of 2.3 ("Good") in the category 1-4 years! 🏆 May 2024

Cybex Sirona G I-Size

A rear-facing car seat that’s built to protect, with 50% higher safety levels¹. The Sirona G i-Size has 360° rotation making on-boarding so simple. Integrated Linear Side-Impact Protection and all-round ventilation keep your child safer and cooler.

Specifications: 

• Age range: From approx. 3 months up to 4 years (from birth with newborn inlay - sold separately)
  
• Child height: 61 - 105 cm (from 40 cm with newborn inlay - sold separately)
  
• Child weight: Max. 19 kg 
  
• Approval regulation: UN R129/03 
  

Highlights 

Up to 50% higher safety levels 

Rear-facing travel is obligatory until your child is 15 months old. The Sirona G i-Size provides up to 50% higher safety levels in its rear-facing position*. In the event of a front impact, the child's body is pushed against the padded car seat shell, minimizing movement and reducing the forces on the neck. A safe position you can count on until your child is 4 years old.

Easy on and off-boarding 

An innovative 360° rotation mechanism makes it so easy to get your child in just the right position to get them in or out of the car, even when the seat is reclined. Swivel the seat with one hand: much quicker and so much better for your back.

One base – two seats: Designed to cover their first 4 years 

As part of the Modular G Family, the Cloud G i-Size and Sirona G i-Size both fit onto the Base G. Once your child has outgrown the infant car seat, the Sirona G i-Size installs on the base with just one click. Thanks to ISOFIX installation, it's a user-friendly, safe foundation for the first four years (Base G available separately).

Optimal breathability 

An all-round ventilation system creates a wonderful traveling environment for your child. Our Plus Line has specially developed mesh which is six times more breathable than conventional fabrics**, taking the strain out of those hot, sweaty journeys.

Side-protection 

Streamlined, integrated Linear Side-impact Protection combined with an energy-absorbing shell and a specially designed headrest gives your child increased protection in a side collision, keeping them safer on every trip.

*= Compared to the same seat forward-facing in a frontal crash. Result of internal testing using 2022 ADAC frontal crash test criteria.

**=Compared to conventional car seat covers.

Dimensions: 

• Length: 710 mm 
• Width: 440 mm 
• Hight: 750 mm 
• Weight with Base G: 13 kg 

What's included?

• Sirona G i-Size toddler car seat 
  
• User guide (Quick-start guide & digital guide access) 
  

Sold separately:

• Cybex Base G isofix base 
  
• Cybex Cloud G i-Size infant car seat 
• Cybex Sirona G newborn inlay 

How do the colours differ?

Cybex produces car seats with two different finishes on the fabrics. 

• Cloud T i-Size COMFORT-fabric:  A stretch knitted fabric in a unified solid color which provides a quality finish that’s soft to the touch and gentle for your child’s skin. Easy-wipe-clean.
• Cloud T i-Size PLUS-fabric: Two-tone colored denim gives this fabric a unique textured appearance, as well as enhanced durability - for a comfortable feel.   

A part of the Cybex G-line:

The G-line consists of one rotating base that can be used from birth up to approx. 4 years.  

The base is first used with the infant car seat. Afterwards it's used with the toddler car seat up to approx. 4 years. 

• Cloud G i-Size infant car seat 
• Base G rotating isofix base 
• Sirona G i-Size toddler car seat