What is the required accuracy of vehicle odometers for regulation?

For vehicle odometers, regulations generally specify that they should exhibit a certain level of accuracy to ensure fairness and transparency, particularly in settings such as transactions involving mileage. The requirement that odometers be accurate to within 4% over or under registration is significant because it sets a standard that minimizes discrepancies in vehicle mileage reporting. This accurate measurement is essential for purposes like leasing, sales, and maintenance schedules, ensuring that consumers and businesses can rely on the stated mileage of a vehicle.

An accuracy within 4% allows for a reasonable tolerance, recognizing that slight variations can occur due to factors such as tire size discrepancies, calibration issues, or variations in the manufacturing process. Maintaining this standard helps protect consumers from potential fraud and ensures a level playing field in the automotive marketplace.