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Average true mpg is 19% lower than official figures, says What Car?

The publication has used experienced engineers to scientifically calculate real-life mpg figures by driving drive test vehicles over a variety of real roads, including motorway, A and B-roads and through towns and villages.

In total almost 400 cars were tested in real-world figures, achieving economy figures that are an average of 19% lower than the government figures, according to What Car?

What Car? editor Jim Holder said: ‘With such a discrepancy between the official figures and our real-world data, it’s clear that the official test processes need to be updated so that car buyers can place more trust in the figures they are being told.’

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Natalie Middleton

Natalie has worked as a fleet journalist for 16 years, previously as assistant editor on the former Company Car magazine before joining Fleet World in 2006. Prior to this, she worked on a range of B2B titles, including Insurance Age and Insurance Day. As Business Editor, Natalie ensures the group websites and newsletters are updated with the latest news.