Diesel cars more expensive to run than petrol, says Which?

18th July 2012

While diesel cars may benefit from better fuel economy and lower tax they could actually be more expensive to run than petrol cars.

That is according to a new investigation from consumer rights firm Which? that compared the diesel and petrol versions of six popular car models, with some surprising results.

These findings revealed that, in many cases, petrol engine cars were more cost effective for drivers covering a typical annual mileage.

This assessment could have far-reaching consequences for motorists, with the cost of running a car and regularly replacing parts like tyres and exhaust systems already weighing down wallets.

According to the research, while the diesel engines of the BMW 5 Series, Ford Fiesta, Vauxhall Astra  and Volkswagen Tiguan offered cheaper fuel costs, it would take years before drivers felt the financial benefits.

Which? executive director Richard Lloyd said: "Fuel price rises have been hitting household budgets hard, so it's important that consumers know they are getting value for money when they buy a car.

"Diesel cars are known for their fuel efficiency, but with lower pump prices for petrol and a premium price tag for diesel cars, it may make more financial sense for families to go for the petrol version."

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Posted by Written by Danielle Barge