Used car WARNING - Error you're making when buying a car that could cost YOU £500 USED car buyers are being warned that they could be missing out on almost £500 by making a few simple errors. Share: Facebook Twitter Google+ Stumble Digg Email ThisBlogThis!Share to XShare to Facebook Related Posts:Top five simple car repairs that could cost you thousands in fines if you don’t fix themCar insurance WARNING - 10 ways you could invalidate your premium REVEALEDCar tax 2018 - Diesel cars which will cost up to £500 more to tax from April REVEALED New diesel car tax rates just one week away - How to find out if you’ll need to pay moreIs it time to get rid of your diesel car? Experts weigh-in on the controversial fuel typeIs your car really insured? You could invalidate your premium by failing to declare this