We use cookies to allow us and selected partners to improve your experience and our advertising. By continuing to browse you consent to our use of cookies. You can understand more and change your cookies preferences here.

BMW i8 Roadster (2018-2020) review

£64,778 Price from

Test scoreShow Context

Key features
  • Sports
  • Used only
  • Plug-in hybrid (PHEV)
Expert review

The BMW i8 Roadster comes some years after the coupé version introduced us to the idea of a supercar with a conscience. Here is a hi-tech, high-performance sports car, with the promise of extremely low running costs and emissions thanks to plug-in hybrid technology. Is it the driver's car of the future, or is it an ambitious reach too far? Find out in our full BMW i8 Roadster review.

What's included:
  • Pros and cons
  • What is it?
  • What's it great at?
  • What's it like to drive?
  • How reliable is it?
  • How comfortable and spacious is it?
  • How economical is it to run?
  • How safe is it?
  • Is there anything I should look out for?
  • Should I buy it?
Sign up to unlock expert reviews
First month only £5, then £9.99 per month, cancel any time

First reviewed by Which?

February 2019

Released

July 2018

Test results

The overall Which? test score is made up of the following star ratings, all determined by our rigorous lab tests.

Find out how we test new and used cars>
Sign up to unlock test results
First month only £5, then £9.99 per month, cancel any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

Best Buys and Don't Buys
We have tested 722 new and used cars and found that there are 46 Don't Buys and 143 Best Buys.
Range of New and used car scores
  1. 3%
    Lowest score
  2. 63%
    Average score
  3. 84%
    Highest score
We'll show you where this model sits on the scale so that you can see how it compares to new and used cars we've tested
Sign up to unlock Best Buys and Don't Buys
First month only £5, then £9.99 per month, cancel any time

Put us to the test

Our Test Labs compare features and prices on a range of products. Try Which? to unlock our reviews. You'll instantly be able to compare our test scores, so you can make sure you don't get stuck with a Don't Buy.

    CompareRemove all products