New True MPG results revealed

What Car?'s laboratory tests use real-world driving routes to show what fuel economy you can really expect from your car. So, what are the best and worst performers this month?

Words ByWhat Car? team

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True MPG latest cars tested

The Dacia Sandero is the most efficient car we've tested in the last month, averaging 52.8mpg, while at the other end of the scale, the all-new Land Rover Discovery managed just 26.3mpg.

Of the cars we've tested previously, only the Mercedes S-Class Cabriolet performed worse than the Discovery.

What Car?'s True MPG tests are conducted in a laboratory under strictly controlled conditions, but based on a real route that takes in town, rural and motorway driving.

Below we take a look at all of the cars we've tested in the last month, revealing the fuel economy you can really expect them to deliver on UK roads.

Audi A4 Allroad 3.0 TDI 218

Official fuel economy: 54.2mpg; True MPG: 38.8mpg; Shortfall: 28.5%

Audi Q7 3.0 TDI 272

Official fuel economy: 47.9mpg; True MPG: 34.0mpg; Shortfall: 29.0%

CitroΓ«n C3 1.2 PureTech

Official fuel economy: 57.6mpg; True MPG: 48.8mpg; Shortfall: 15.2%

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