Over 10 million cars may have a murky past
David Jones/PA Wire/Press Association Images
The experts are warning that as the total number of cars on the road hits 31.4 million - as many as 10.4 million of them could have a hidden history. One in three are on the 'at risk' list - with one particular type of danger at record levels.
So what are the three most common types of hidden history, and how can you check a car before you buy?