As used in this chapter, the following terms shall have the meanings indicated:
Any automobile which is no longer in actual use as a motor vehicle, or which is wholly unfit without rebuilding or reconditioning for use for highway transportation, or which has been discarded for use as a motor vehicle, or which is an unlicensed vehicle, or which is a vehicle that has not been officially inspected or is without a valid sticker showing official inspection, even if the vehicle is otherwise usable; excepting farm-use vehicles of all kinds other than passenger automobiles, and automobiles for sale or repair on premises of a licensed car dealer.