US Patent 7505838 System and method for determining vehicle odometer rollback

A vehicle history information system adapted to determine vehicle odometer rollback. In one embodiment, the system includes a vehicle history report module adapted to retrieve vehicle history records associated with a particular vehicle, at least two vehicle history records having associated date information, odometer reading, and data source information. The system further includes an odometer rollback determination module adapted to analyze the vehicle history records to determine a likelihood of an odometer rollback at least partially based on the data source information.