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At what annual mileage should drivers consider diesel vehicles?

In last Saturday's paper, you advised someone who does 10,000 miles a year that 'You don't do enough miles for a diesel.' I'd appreciate your opinion as to what mileage would suggest the need for a diesel, and why it's different. And are diesels inherently better for towing?

Asked on 10 August 2010 by John Barker

Answered by Honest John
15,000 miles a year, after which the greater risk of needing expensive repairs starts to be offset by the savings from the better fuel economy. Diesels with particulate filters are particularly unsuitable for short run use.

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