Cybex Sirona G i-Size Toddler 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
ColourBlack
Love this? Start your free baby wishlist
Your Nest is your personal baby wishlist — track prices, compare retailers, and share with loved ones
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
- Suitable from approx. 3 months up to 4 years (from birth with newborn inlay)
- 360° rotation for smooth on and off-boarding
- Mandatory up to 15 months (76 cm), rear-facing recommended for as long as possible
- Five recline positions in both riding directions and boarding position
- 12 height-adjustable headrest positions with automatic harness lengthening
- Integrated Linear Side-impact Protection
Specifications & features
Key features
- Suitable from approx. 3 months up to 4 years (from birth with newborn inlay)
- Upgrade your child’s comfort with 360° rotation for smooth on and off-boarding
- Mandatory up to 15 months (76 cm), we recommend keeping your child rear-facing for as long as possible
- Swivel the car seat to face the car door and get your child onboard
- Integrated base included
- All-round air ventilation lets air flow through channels in the car seat, carrying away heat and helping avoid a sweaty ride for your little one
- Five positions are available in both riding directions – and in the boarding position, too
- You can recline the seat with one hand, letting them dream that little bit longer
- 12 positions allow a tailored fit to your child, with the harness lengthening automatically with each adjustment - and only one hand is required
- Integrated Linear Side-impact Protection defends your child against the force of a side impact
- Fabric covers machine washable at 30° C
- FREE Standard Delivery on all orders over £50.00
- If order is Under £50.00, a Standard Delivery charge of £4.99 will be applied
- Next Day Delivery Service available on IN-STOCK items for £5.99
- Saturday Service is available for £30.00
- DPD Parcel Shop Delivery available from £5.00
- £19.95 Delivery Charge regardless of order value
- Postcodes applicable: AB30-38, AB44-56, FK17-99, G83, IV1-28, IV30-39, IV52-54, IV63, KW1-14, PA21-33, PA34-40, PH15-26, PH30, PH31-41, PH49-50
- Postcodes applicable: HS1-9, IV40-51, IV55-56, KA27-28, KW15-17, PA20, PA41-49, PA60-78, PH42-44, ZE1-3
- £24.95 Delivery Charge regardless of order value
- Postcodes applicable: All 'BT' postcodes
- £21.95 Delivery Charge regardless of order value
- Postcodes applicable: TR21, TR22, TR23, TR24, TR25
- Postcodes applicable: All 'IM' postcodes
- We reserve the right to cancel furniture order due to shipping logistics
- Postcodes applicable: PO30-41
