LONDON, UNITED KINGDOM--(Marketwire - July 29, 2011) - Leading insurance providers Quote Me Today are cautioning motor traders of the effect that selling or buying clocked cars can have on their insurance policy. The latest figures from HPI Checks saw that there was a rise in the amount of clocked cars in 2010 meaning anyone working in the motor trade industry should ensure that they are vigilantly checking if a car has had their mileage clocked before buying or selling the vehicle to avoid facing any costly insurance claims.