By clicking a retailer link you consent to third party cookies that track your onward journey. If you make a purchase, Which? will receive an affiliate commission which supports our mission to be the UK's consumer champion.

Maxi CosiMorion

  • i-Size child
  • Isofix and belt installation possible
£124.99View retailers
Test score

By clicking a retailer link you consent to third party cookies that track your onward journey. If you make a purchase, Which? will receive an affiliate commission which supports our mission to be the UK's consumer champion.

Sign up to unlock the full expert review

The Maxi Cosi Morion is an i-Size high-back booster seat. This means it’s part of a small, but ever-growing group of child car seats for older children that are approved to the latest R129 regulations. What will that mean for its scores in our tough crash tests and will it be an easy seat to set up and install? Read our review of this car seat to find out all the details.

pros

Content has been blurred out, please log in to view.

cons

Content has been blurred out, please log in to view.

What's included?

  • What is it?
  • How safe is it?
  • Is it easy to fit?
  • Is the seat comfortable?
  • Is there anything I should watch out for?
  • Is there anything else I should know?
  • Should I buy it?
  • Where can I buy it?
KEY TEST RESULTS
Safety rating
Fitting in car
Comfort of your child
  • Aug 2023Last checked by Which?
  • Oct 2020First reviewed by Which?
  • Jan 2019Released

Suggested Alternatives

Joie Traver

Joie

Traver

  • Group 2/3 High-back booster
  • Isofix and belt installation possible
£90Typical price
Test score
Nania BeFix SP

Nania

BeFix SP

  • Group 2/3 High-back booster
  • Belted installation only
£35Typical price
Test score