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The RAC Guru i-Size car seat takes your precious passenger from 100cm up to 150cm (approximately 3.5 to 12 years), using the adult seatbelt to secure them safely in the car. Unlike many high-back boosters, it has been tested to the R129 (i-Size) standard, which takes testing further with mandatory side impact and roll-over components – all using the latest crash test dummies – to help create safer car seats.

The RAC Guru offers an 11-position adjustable headrest that allows the seat to grow with your child as they get taller. The deep wings and dual side-impact protection provide added comfort and protection.

Ensuring your child is comfortable even on longer journeys, this seat features a four-position recline, memory foam lined seat, machine-washable covers and a cupholder that fits on either side.

Designed to be compatible with most vehicles, the RAC Guru is installed using the adult seatbelt, with or without the ISOFIX anchor points, which can give added stability and help ensure correct positioning if you have them in your car but are not essential.

In tests 8 out of 10 kids chose Cosatto, and the bright fabric designs available for the RAC Guru will really fire their imagination. 


  • Tested to the latest i-Size safety standard
  • 4 recline positions
  • 11-position adjustable headrest
  • Memory foam lined seat and headrest
  • Additional side-impact protection
  • Deep winged headrest
  • Removable comfort padding to allow for your child’s growth
  • ISOFIX anchor points with 2-action release mechanism
  • Suitable either belted with ISOFIX anchor points (ISOFIT) or just belted
  • Removable cupholder fits on either side
  • Machine-washable seat covers
  • 4-year guarantee
Dimensions 47.5 × 44 × 60.5 cm



4 yrs

Age (min)

4 yrs

Age (max)

12 yrs

Car Seat Child height (min)


Car Seat Child height (max)


Weight capacity (max)


Car Seat Regulation


Car Seat Direction


Car Seat Vehicle Attachment

ISOFIX, Seatbelt

Car Seat Type


Suitable for

4-12 yrs, Up to 36kg, 100-150cm


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