From Maine Statutes:
29-A M.R.S.A. § 101. Definitions … 2. Altered vehicle. "Altered vehicle" means a motor vehicle with a gross vehicle weight rating of 10,000 pounds or less that is modified so that the distance from the ground to the lowermost point on any part of the frame or body is different from the manufacturer's specifications, unless that difference is caused by:
A. The use of tires that are no more than 2 sizes larger than the manufacturer's recommended sizes; B. The installation of a heavy duty suspension, including shock absorbers and overload springs; or C. Normal wear of the suspension system that does not affect control of the vehicle.
3. Antique auto. "Antique auto" means an automobile or truck manufactured in or after model year 1916 that is:
A. More than 25 years old; B. Equipped with an engine manufactured either at the same time as the vehicle or to the specifications of the original engine; C. Substantially maintained in original or restored condition primarily for use in exhibitions, club activities, parades or other functions of public interest; D. Not used as its owner's primary mode of transportation of passengers or goods; E. Not a reconstructed vehicle; and F. Not an altered vehicle.
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15. Classic vehicle. "Classic vehicle" means a motor vehicle that is at least 16 years old but less than 26 years old that the Secretary of State determines is of significance to vehicle collectors because of its make, model and condition and is valued at more than $5,000.
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19-A. Custom vehicle. "Custom vehicle" means a motor vehicle manufactured after model year 1948 that:
A. Is at least 25 years old or was manufactured to resemble a motor vehicle that is at least 25 years old; and B. Has been altered or modified from the manufacturer's original design or has a body constructed from nonoriginal material.
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28. Horseless carriage. "Horseless carriage" means an automobile manufactured before model year 1916 that is:
A. Equipped with an engine manufactured either at the same time as the vehicle or to the specifications of the original engine of the vehicle; B. Maintained primarily for use in exhibitions, club activities, parades and other functions of public interest; and C. Not used as its owner's primary mode of transportation of passengers or goods.
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35-A. Modified show vehicle. "Modified show vehicle" means a factory-produced 2-wheel-drive motor vehicle manufactured after 1949 that is equipped with modified components and that qualifies as a modified show vehicle under rules adopted by the Chief of the State Police.
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60. Reconstructed vehicle. "Reconstructed vehicle" means a vehicle that has been reconstructed to change the original steering, braking system, suspension system or body design, including, but not limited to, a dune buggy, a street rod, a passenger car converted to a pickup truck or a manufactured vehicle body mounted on another manufactured chassis. Repair to a vehicle that replaces parts with similar parts is not reconstruction.
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72. Stock race car. "Stock race car" means a factory-produced motor vehicle that is equipped with roll bars or bracing welded or attached to the frame in a permanent manner, special safety belts and firewalls and that has part of the body removed.
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76. Street rod. "Street rod" means a replica of or a modified antique auto manufactured prior to 1949 that complies with standards adopted by the Chief of the State Police.
29-A M.R.S.A. § 651. Certificate of title required
1. Application of subchapter. Except as provided in section 652, this subchapter applies to a vehicle at first registration or when a change of registration is required by reason of a sale for consideration.
2. Renewal. The Secretary of State may not require an application for a certificate of title upon renewal of registration.
3. Warranty title; antique auto; horseless carriage; antique motorcycle; classic vehicle. The Secretary of State may, on documented and notarized evidence of ownership and payment of a $40 fee, issue a warranty title to a Maine resident owner of an antique auto, horseless carriage, antique motorcycle or classic vehicle. A warranty title denotes that there are no known liens or encumbrances against the vehicle.
4. Certificate of salvage. The Secretary of State may issue a certificate of salvage upon surrender of a certificate of title and evidence that a vehicle was declared a total loss by an owner or an insurance company.
5. Certificate of lien. The Secretary of State shall assign a lien to the first named lienholder, when a certificate of title or a certificate of salvage names a lienholder.
6. Manufactured housing. Beginning October 1, 2007, the Secretary of State shall issue certificates of title for new single-unit manufactured housing beginning with model year 2007. Beginning October 1, 2007 and ending September 30, 2009, the Secretary of State shall issue a certificate of title for used manufactured housing that was previously issued a State of Maine certificate of title. Beginning October 1, 2009, the Secretary of State may issue a certificate of title for used manufactured housing that was previously issued a State of Maine certificate of title or a model year 2007 or later model that was never issued a certificate of title. A certificate of title issued pursuant to this subsection remains in effect unless cancelled pursuant to section 669.
29-A M.R.S.A. § 652. Exempted vehicles
A certificate of title or a certificate of salvage is not required for: …
13. Certain automobiles, commercial vehicles and vehicles. Automobiles and all over-the-road commercial vehicles with a model year prior to 1995, except when the Secretary of State determines it is in the best interest of the State and the applicant to issue a title to a vehicle with a model year prior to 1995;
14. Salvage vehicle. A salvage vehicle with a certificate of salvage or other comparable document from another state;
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17. Off-road vehicle. An off-road vehicle; and
18. Vehicle model year 1995 to 1999. A vehicle that is model year 1995, 1996, 1997, 1998 or 1999 if:
A. A recycler, salvage vehicle dealer or scrap processor obtains the seller's name and the address of the seller's residence from a government-issued photograph identification document or credential and maintains the seller's name and address and vehicle identification number of the scrapped vehicle for a period of at least one year; and B. A recycler, salvage vehicle dealer or scrap processor reports the destruction of the vehicle to the Secretary of State within 30 days in a manner prescribed by the Secretary of State.
This subsection applies only to vehicles that are scrapped. For purposes of this subsection, a government-issued photograph identification document or credential includes, but is not limited to, a current and valid United States passport, military identification, driver's license or nondriver identification card.
29-A M.R.S.A. § 457. Hobbyist registration plates
1. Hobbyist registration plates authorized. The Secretary of State may issue hobbyist registration plates for antique autos, custom vehicles, horseless carriages, street rods or antique motorcycles. These plates must bear the inscription "Maine" and the inscription "Antique Auto," "Custom Vehicle," "Horseless Carriage" or "Street Rod" or, for antique motorcycles, the inscription "Antique."
3. Contemporary plates. An owner of an antique auto, horseless carriage, street rod or antique motorcycle may use registration plates that were issued in the same year the antique vehicle was manufactured, as long as the motor vehicle:
A. Is over 25 years old; B. Is registered as an antique vehicle; and C. Carries a valid antique motor vehicle registration certificate and plates.
4. Display of contemporary plates. Contemporary registration plates must have matching plate numbers, be affixed to both the front and rear and conspicuously bear the year of manufacture.
5. Street rod standards. The Chief of the State Police shall establish standards to qualify vehicles as street rods. These standards include:
A. The age of the vehicle; B. The equipment and its condition; and C. Permissible modifications.
6. Application. An application for registration of a vehicle under this section must be accompanied by an affidavit that includes a statement indicating the year and make of the motor vehicle and that the vehicle is garaged or maintained in the State.
7. Registration fee. The fee for registration of a horseless carriage or antique motorcycle is $15. The fee for registration of a street rod or antique auto is $30.
29-A M.R.S.A. § 458. Stock race cars
1. Stock race car plates authorized. The Secretary of State may issue a registration plate for stock race cars.
2. Operation restricted. A stock race car may not be operated under its own power on a public way.
29-A M.R.S.A. § 458-B. Custom vehicles
A custom vehicle may be registered in accordance with the provisions of this section.
1. Registration fee. The fee for the custom vehicle registration plate is the regular motor vehicle registration fee required by section 501 and the excise tax required by Title 36, section 1482.
2. Registration plates. The Secretary of State shall issue a registration certificate and a set of custom vehicle registration plates in a 3-number and 3-letter combination sequence to be used in lieu of regular registration plates.
3. Application. An application for registration of a vehicle under this section must be accompanied by an affidavit that includes a statement indicating the year and make that the body of the custom vehicle resembles and that the vehicle is garaged or maintained in the State.
4. Registration. The registration must indicate the year and make that the body of the custom vehicle resembles and must indicate the vehicle has been modified.
5. Vanity plates. The Secretary of State may issue vanity plates in accordance with section 453 and may not duplicate vanity plates issued in another class of plate.
6. Weight limit. A custom vehicle registration plate may be issued for a motor vehicle that does not exceed 10,000 pounds.
7. Inspection. A custom vehicle is subject to the inspection requirements of section 1751, except that the Chief of the State Police may provide certain exemptions for custom vehicles pursuant to section 1769.