Petrol and diesel super fuels
Super fuels tested
'Super' fuels cost more, but are they better for your car and better value in the long run? We test super fuels against regular petrol and diesel fuel, find out what manufacturers claim about them and get an expert’s view. And if you do decide to stick with your regular fuel, we offer you some tips on how to find it more cheaply and how to drive more economically.
In our full report you can see...
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Super fuels and performance
We test the performance of super unleaded and superdiesel fuels against regular petrol and diesel.
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What we found
Why you may be better off sticking with regular petrol or diesel fuel than switching to 'superfuel' alternatives.
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An expert view
We asked Jon Andersson, a top chemist at leading UK automotive consultancy Ricardo, for his opinion on super fuels. Here are his answers.
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