Can I reject a used car if the fuel economy is very different from what I was told?

Can I reject a used car if the fuel economy is very different from what I was told?

Asked on 30 October 2017 by Peter Pegler

Answered by Honest John
If you were definitively told "It will do 40mpg" and it only does 20mpg, yes. If you were told "The official figure is 40mpg" and it only does 20mpg, no. See: www.honestjohn.co.uk/realmpg/ for what everything really does.
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