Cybex Sirona G3 i-Size Group 0+/1 Rotating Car Seat - Almond BeigeOn offer

The Cybex Sirona G3 i-Size is a next-generation rotating car seat that provides outstanding safety and long-lasting comfort for children from approximately 3 months all the way through to 4 years old. Designed to travel rear-facing — the safest direction for young children — the Sirona G3 offers up to 50% higher safety levels compared to forward-facing travel, giving families complete confidence on every journey.

Boarding and off-boarding your child is effortless with the Sirona G3 i-Size. The full 360° rotation mechanism allows you to position your child at a comfortable, manageable angle beside the car door, making it far quicker and kinder on your back — even when the seat is fully reclined. Its ergonomic design keeps your child's legs and hips in the posture-friendly M-position throughout every journey, promoting healthy development from the very earliest stages.

When it comes to protection, the Sirona G3 i-Size goes further. The advanced Linear Side-Impact Protection (L.S.P.) System, combined with an energy-absorbing shell and purpose-built headrest, provides 25% more side-impact protection compared to the same seat without L.S.P. The L.S.P. opens automatically straight out of the box — one less thing to worry about. Five individual recline positions in both forward and rear-facing orientations ensure your child is always in the most comfortable, ergonomic position, whether on a short school run or a longer motorway journey.

As part of the Cybex Modular G3 family, the Sirona G3 i-Size is compatible with the separately available Base G3 and Base G, offering a long-term, flexible solution for growing families.

Features:

• Suitable from approx. 3 months to 4 years (from birth with newborn inlay accessory, sold separately)
• Child weight: up to 19 kg
• Complies with i-Size regulation UN R129/04
• Up to 50% higher safety levels when used rear-facing vs forward-facing
• 360° rotation for easy and comfortable on and off-boarding
• 25% more side-impact protection via advanced L.S.P. System
• L.S.P. opens automatically out of the box – no assembly required
• Ergonomic M-position seating to support healthy spine and hip development
• 5 recline positions in both forward and rear-facing orientations
• ISOFIX connectors with height-adjustable load leg for a stable, secure fit
• Integrated belt holders keep harness straps clear during boarding
• Compatible with Base G3 and Base G (both sold separately)
• Double newborn inlay accessory available separately – suitable from birth and 40–60 cm
• One Base, Two Seats – Base G3 also compatible with the Cloud G3 i-Size
• Fabric covers machine washable

Dimensions:

• Size: L 71 cm x W 44 cm x H 75 cm
• Weight: 6 kg (seat only) / 13 kg (with Base G3)

Delivery Options & Information

The below delivery options and delivery times only apply once your order is in stock with us. Your order may be on a lead time or pre-order so once the stock is with us, these are your delivery options and timeframes.

Standard Delivery

• FREE delivery on orders over £50*
• Orders under £50: £4.99 delivery charge*

*These charges are location dependant, please see our Delivery Info Page for more information

Express Delivery

Our Express Delivery Service is available for £5.99 and can be selected at checkout on eligible products.

• Available on orders both over and under £50
• Delivered on the next working day once your order is ready for dispatch
• Order before 3:00pm for same-day dispatch on in-stock items

Product Availability & Lead Times

The delivery estimate displayed on each product page shows when your item is expected to arrive into stock. All lead times provided are estimates and are based on working days (Monday–Friday, excluding public holidays).

In Stock

Items showing as available for Next Day Delivery are held in our warehouse and can be dispatched the same day when ordered before 3:00pm (Monday to Friday) if you choose the Express service at checkout.

Direct Delivery

Some products are shipped directly from the manufacturer. The estimated delivery timescale will be displayed on the product page.

Supplier Stock Lead Times

Some items are available from our suppliers and are ordered specifically for you. Delivery times vary by product and are clearly displayed on the product page.

Pre-Order Items

Pre-order products can be reserved before they arrive back in stock.

Where an estimated availability date is provided, this is supplied by the manufacturer and may be subject to change. If there are any significant delays, our team will contact you with an update.

Orders Containing Multiple Items

If your order contains items with different lead times, your order will normally be dispatched together once all items are available. This means your estimate delivery date for the full order will be based on the longest lead time in your basket. 

If you would prefer available items to be sent sooner, please contact our customer service team who can arrange this for you.