Collector’s item. A motor vehicle, including a truck or truck tractor, that is of:

(a) Model year 1975 or earlier;

(b) Model year 1976 or later that was registered as a collector's item prior to September 1, 2009; except that a vehicle so registered is not eligible for registration as a collector's item upon sale or transfer to a new owner; or

(c) A model year at least thirty-two years old unless the vehicle was registered before September 1, 2009 and meets the requirements of paragraph (b) of this subsection (2). If the vehicle is being registered under this paragraph (c) and in the program area, as defined in section 42-4-304:

        (I) The vehicle must have passed an emissions test meeting the standards of part 3 of article 4 of this title within the last twelve months before being initially registered by the owner as a collector's item; and

        (II) The owner must sign an affidavit that the vehicle will not be driven on roadways for more than four thousand five hundred miles per year.

Homemade vehicle. A vehicle which is constructed by a manufacturer not licensed by the state of Colorado and which is not recognizable as a commercially manufactured vehicle.

Horseless carriage. A motor vehicle that is valued principally because of the vehicle’s design or historical interest, was manufactured at least fifty years before the current date of registration, or valued as collector’s items.

Kit vehicle. A passenger-type motor vehicle assembled, by other than a licensed manufacturer, from a manufactured kit that includes a prefabricated body and chassis and is accompanied by a manufacturer's statement of origin.

Reconstructed vehicle. A vehicle constructed from two or more commercially manufactured vehicles of the same type and year which has not been altered and which is recognizable as a commercially manufactured vehicle of a given year

Rebuilt vehicle. A vehicle which has been assembled from parts of two or more commercially manufactured vehicles or which has been altered in such a manner that it is not readily recognizable as a commercially manufactured vehicle of a given year. “Rebuilt vehicle” includes a street rod vehicle.

Specially constructed vehicle. Any vehicle which has not been originally constructed under a distinctive name, make, model, or type by a generally recognized manufacturer of vehicles.

Street rod vehicle. A vehicle with a body design manufactured in 1948 or earlier or with a reproduction component that resembles a 1948 or earlier model which has been modified for safe road use, including, but not limited to, modifications of the drive train, suspension, and brake systems, modifications to the body through the use of materials such as steel or fiber glass, and other safety or comfort features.