CYBEX Sirona Gi i-Size Plus

Our score 9.79 / 10

Research by Peter Crona Last updated Award Best toddler-stage pick among car seatsMethod How we research

Before You Buy

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From 61 cm, up to 105 cm (~6 months to 4 years).

CYBEX Sirona Gi i-Size Plus

Pros

  • Clear rear-facing limits and a separately sold newborn insert when use below 61 cm is needed.

Cons

  • Never use in front of an active airbag; secure the seat when empty and verify vehicle fit.
Height Range
61-105 cm
Seat Use
Toddler
Install Method
ISOFIX with integrated base and load leg
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Price/Buy
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The CYBEX Sirona Gi i-Size Plus is a rear-facing seat for 61-105 cm and up to 20 kg. Forward-facing use is permitted only after 15 months and from 76 cm. A separately available newborn inlay extends use to 40 cm and must be removed above 60 cm.

The manual requires an approved vehicle position and says to secure the seat even when it is empty. Do not install it in front of an active passenger airbag. Check the vehicle compatibility guidance and support-foot requirements before buying.