Vehicles ‘falling short’ of achieving their official fuel ratings

11th January 2013

Drivers could be getting misled over their vehicle's official miles-per-gallon figures, which is leading to many motorists having to pay much more for their fuel.

According to a study carried out by well-known consumer motoring website, the average car only achieves 88 per cent of its official fuel rating.

If this statistic is to be believed, it means that drivers are being forced to spend an extra 2p per litre every time they visit a fuel station – a large cost over an annual basis.

The Mercedes Benz B-Class (2005-2012 generation) was found to be the worst culprit where discrepancy in fuel economy figures was concerned, with the average model achieving just 71.2 per cent of its official rating.

On the flip side, owners of the Land Rover Defender will be pleased to hear that a standard model in this range records 105.4 per cent of its official test result.

Commenting on its findings, stated: "Rather than attack the EC figures, which are now the basis of car and company car taxation, we prefer to offer realistic figures achieved by real motorists to be used alongside official guidelines."

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Posted by A car’s real mpg rating may vary considerably to its official fuel figure, a study finds