Sirona G i-Size | Rotating Car Seat

Sirona G i-Size

360° Comfort & Safety

The award-winning Sirona G i-Size delivers up to 50% higher safety levels* for your child, while also ensuring maximum ease for parents with its smooth 360° rotation. Comfort and confidence – from every angle.

Sirona G i-Size

360° Comfort & Safety

The award-winning Sirona G i-Size delivers up to 50% higher safety levels* for your child, while also ensuring maximum ease for parents with its smooth 360° rotation. Comfort and confidence – from every angle.

Sirona G i-Size

360° Comfort & Safety

The award-winning Sirona G i-Size delivers up to 50% higher safety levels* for your child, while also ensuring maximum ease for parents with its smooth 360° rotation. Comfort and confidence – from every angle.

Shop Sirona G i-Size

Woman tickling her daughter sitting in a Sirona G i-Size car seat. The car seat is rotated towards the door, the daughter is laughing.

Tested. Trusted. Awarded.

Awarded by ADAC for outstanding safety, certified by AGR for proven ergonomics, and celebrated for its iconic design by Red Dot – the Sirona G i-Size has received multiple awards from leading independent institutes across Europe.

Tested. Trusted. Awarded.

Awarded by ADAC for outstanding safety, certified by AGR for proven ergonomics, and celebrated for its iconic design by Red Dot – the Sirona G i-Size has received multiple awards from leading independent institutes across Europe.

Tested.
Trusted. Awarded.

Awarded by ADAC for outstanding safety, certified by AGR for proven ergonomics, and celebrated for its iconic design by Red Dot – the Sirona G i-Size has received multiple awards from leading independent institutes across Europe.

Up to 50% Higher Safety Levels*

Rear-facing travel is mandatory until 15 months – and recommended for longer. In its rear-facing position, the Sirona G i-Size offers up to 50% more safety* by reducing neck strain in a frontal impact, keeping your child protected up to approx. four years.

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*compared to the same seat forward-facing in a frontal crash. Result of internal testing using 2024 ADAC frontal crash test criteria.

Up to 50% Higher Safety Levels*

Rear-facing travel is mandatory until 15 months – and recommended for longer. In its rear-facing position, the Sirona G i-Size offers up to 50% more safety* by reducing neck strain in a frontal impact, keeping your child protected up to approx. four years.

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*compared to the same seat forward-facing in a frontal crash. Result of internal testing using 2024 ADAC frontal crash test criteria.

Up to 50%
Higher Safety Levels*

Rear-facing travel is mandatory until 15 months – and recommended for longer. In its rear-facing position, the Sirona G i-Size offers up to 50% more safety* by reducing neck strain in a frontal impact, keeping your child protected up to approx. four years.

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*compared to the same seat forward-facing in a frontal crash. Result of internal testing using 2024 ADAC frontal crash test criteria.

Side view of a Sirona G i-Size car seat in Almond Beige on a Base G.

Woman sitting with her daughter in the back of a car. The daughter is sitting in a Sirona G i-Size car seat that is turned rear-facing while she looks at a picture book the mother is showing her.

Close-up of a woman is turning the Sirona G i-Size car seat around.

Child pointing at a picture book the mother is holding up, the child sitting in the back of a car in a Sirona G i-Size car seat.

A woman taking her daughter out of the car, the Sirona G i-Size that the little girl is sitting in is turned towards the door.

Easy On- and Off-boarding

Thanks to the smooth 360° rotation, getting your child in and out of the car is effortless – even when the seat is reclined. The ability to turn the seat with just one hand makes every day handling easier and more convenient, every step of the way.

Easy On- and Off-boarding

Thanks to the smooth 360° rotation, getting your child in and out of the car is effortless – even when the seat is reclined. The ability to turn the seat with just one hand makes every day handling easier and more convenient, every step of the way.

Easy On- and
Off-boarding

Thanks to the smooth 360° rotation, getting your child in and out of the car is effortless – even when the seat is reclined. The ability to turn the seat with just one hand makes every day handling easier and more convenient, every step of the way.

Optimal Breathability

Nothing beats staying comfortably cool on a warm day. The Sirona G i-Size features all-round air ventilation that helps maintain a pleasant seat temperature. Choose the Plus Line for mesh fabrics that are up to six times more breathable than conventional car seat covers.

Optimal Breathability

Nothing beats staying comfortably cool on a warm day. The Sirona G i-Size features all-round air ventilation that helps maintain a pleasant seat temperature. Choose the Plus Line for mesh fabrics that are up to six times more breathable than conventional car seat covers.

Optimal Breathability

Nothing beats staying comfortably cool on a warm day. The Sirona G i-Size features all-round air ventilation that helps maintain a pleasant seat temperature. Choose the Plus Line for mesh fabrics that are up to six times more breathable than conventional car seat covers.

The Choice is Yours

Match your style with a variety of Sirona G i-Size colors. Choose the perfect shade to fit your car's interior or your family's personality.

The Choice is Yours

Match your style with a variety of Sirona G i-Size colors. Choose the perfect shade to fit your car's interior or your family's personality.

The Choice is Yours

Match your style with a variety of Sirona G i-Size colors. Choose the perfect shade to fit your car's interior or your family's personality.

Shop Sirona G i-Size

Line-up of Sirona G i-Size car seats in all the different colors. From left to right: Stone Grey Plus, Moon Black Plus, Almond Beige Plus, Stormy Blue Plus, Ocean Blue Plus

Two Ways of Safety

Choose your Sirona G-Line Car Seat

Two Ways of Safety

Choose your Sirona G-Line Car Seat

Two Ways of Safety

Choose your Sirona G-Line Car Seat

Opt for the car seat option that best meets your family's needs while not needing to compromise on safety and comfort.

Sirona G i-Size

Combine it with the Base G

Already using the Cloud G i-Size with the Base G? Simply continue with the Sirona G i-Size as your next seat – and keep using the same Base G. Suitable from approx. 3 months, or from birth with the newborn inlay..

Sirona G i-Size

Combine it with the Base G

Already using the Cloud G i-Size with the Base G? Simply continue with the Sirona G i-Size as your next seat – and keep using the same Base G. Suitable from approx. 3 months, or from birth with the newborn inlay.

Sirona G i-Size

Combine it with the Base G

Already using the Cloud G i-Size with the Base G? Simply continue with the Sirona G i-Size as your next seat – and keep using the same Base G. Suitable from approx. 3 months, or from birth with the newborn inlay.

Shop Sirona G i-Size

Side view of Sirona G i-Size in Almond Beige in a Base G, secured with a tether.

Sirona Gi i-Size

Comes with Base Included

No Base G? No problem. The Sirona Gi i-Size comes with an integrated base – ready to use from approx. 3 months, or from birth with the newborn inlay. A smooth transition as your child grows, with no extra installation needed.

Sirona Gi i-Size

Comes with Base Included

No Base G? No problem. The Sirona Gi i-Size comes with an integrated base – ready to use from approx. 3 months, or from birth with the newborn inlay. A smooth transition as your child grows, with no extra installation needed.

Sirona Gi i-Size

Comes with Base Included

No Base G? No problem. The Sirona Gi i-Size comes with an integrated base – ready to use from approx. 3 months, or from birth with the newborn inlay. A smooth transition as your child grows, with no extra installation needed.

Shop Sirona Gi i-Size

Woman smiling at her daughter while she tickles her foot. The daughter is sitting in a Sirona G i-Size car seat that is turned rear-facing.

Safety and Comfort from Every Angle

Comfort and Safety from Every Angle

Shop Sirona G i-Size

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