Mich. Comp. Laws § 257.35b: “Older model vehicle” defined.

Sec. 35b.

"Older model vehicle" means a vehicle weighing 8,000 pounds or less, manufactured in the sixth model year immediately preceding the current model year, or manufactured in any model year before that model year; or, if more than 8,000 pounds, a vehicle manufactured in a model year preceding the fifteenth model year before the current model year.