Which factor is not considered as part of the exemption criteria for mileage?

The factor that is not considered as part of the exemption criteria for mileage is the year of manufacture. When assessing whether a vehicle qualifies for an exemption based on mileage, the focus is primarily on the current mileage of the vehicle, how long the current owner has had the vehicle (duration of ownership), and the number of previous owners that it has had.

The year of manufacture pertains to factors like emissions standards that the vehicle was required to meet when it was produced, but it does not directly affect the mileage exemption criteria. Mileage specifically looks at how much the vehicle has been used, while the number of owners and duration of ownership can reflect its usage history but are not influenced by when it was manufactured.