Cybex Sirona Gi i-Size Car Seat
The 360-degree rotation makes getting kids in and out much easier on your back, and the safety credentials are solid. Perfect for parents who struggle with back pain or have narrow car doorways, but skip it if you have a smaller car or need something that works seamlessly from birth.
⚠️Check your specific car model's compatibility before buying—the base doesn't fit securely in all vehicles, and the rotation mechanism can feel stiff in certain car configurations.
BubsNest expert analysis of 5 parenting forum discussions
ColourFog Grey
Car Seat Group
Available at
Prices compared across 6 retailers · Updated 29 Jun
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What parents say
BubsNest expert analysis of 5 parenting forum discussions
“Award-winning car seat praised for safety and comfort, but with rear-facing limitations”
Solid Choice
The Cybex Sirona is a well-regarded car seat that has won multiple safety and design awards. Parents highlight its comfortable, stylish design and ability to accommodate children from birth to around age 4. However, some note the limited leg room when rear-facing and find installation more difficult than expected, especially for smaller or less mobile users. Overall, it's a solid choice for families seeking a safe, long-lasting car seat, though it may not suit all needs or preferences.
What parents love
Worth knowing
Best for
- Families seeking a long-lasting, high-safety car seat
- Taller children who can use the Sirona's full rear-facing capacity
May not suit
- Parents with limited mobility or strength who struggle with the Sirona's weight and installation
- Smaller vehicles with tight spaces that limit the Sirona's rear-facing leg room
Tips from parents
Check your car's compatibility and measure the rear-facing space to ensure the Sirona will fit your needs.
Watch the installation video carefully and practice the process before your child's first ride.
Be sure to follow all safety guidelines, including keeping the seat rear-facing as long as possible.
Product details
- Extended rear-facing design for children up to 20kg
- Integrated Linear Side-impact Protection
- Innovative air vents for cooling
- 360° rotation for easy boarding
- 5 recline positions
- Newborn inlay accessory available (sold separately)
Specifications & features
Specifications
Key features
- With a height adjustable headrest, the Sirona Gi i-Size grows with your child up to 4y
- Five recline positions to keep little ones comfortable
- Designed for your child to sit comfortably rear-facing until 20kg
- Quick + easy onboarding
- Loops to keep the harness out of the way as you get your little one seated
- Linear Side-impact Protection defends your little one against the force of a side impact - the energy-absorbing shell, the L.S.P. System significantly reduces the effect of impact force
Up to 50% higher safety levels
Extended rear-facing, one of the safest ways to travel in a car seat
