Bigger premiums on the new price and the higher cost of diesel means some buyers will never see a return on the extra money they've paid.
Which of these diesels will never break even?
BMW 5-Series ¦ VW Passat ¦ Vauxhall Insignia
A diesel car will typically cost more to buy than a petrol, but cost less per mile in fuel. Find out how far you need to drive to break even.
