Clocking involves reducing the mileage of a vehicle by either a digital interface or by manually adjusting the analogue clock to deceive a buyer hence increasing the value of the vehicle. The average annual mileage is 12,000 miles or 19312 kilometres.

Clocking involves reducing the mileage of a vehicle by turning back or replacing the odometer, with the intention of increasing the value and deceiving subsequent purchasers. This is a common trick used to obtain a higher price. HPI research shows at least 1 in 12 vehicles have some sort of discrepancy. The average car does 10,000 to 12,000 miles per year, so if you think the mileage is inconsistent with the age and condition of the car, it's worth investigating further.

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