625 ILCS 5/1-102.1: Antique vehicle.

A motor vehicle that is more than 25 years of age or a bonafide replica thereof and which is driven on the highways only going to and returning from an antique auto show or an exhibition, or for servicing or demonstration, or a fire-fighting vehicle more than 20 years old which is not used as fire-fighting equipment but is used only for the purpose of exhibition of demonstration.