Specialized, Unconventional, and Other Vehicles

Not all vehicle types are eligible for on-highway title and registration in Colorado, even if they were previously titled in another state. Vehicles other than motor vehicles, motorcycles, most low-speed electric vehicles, and trailers, which follow the typical title and registration processes, are listed below with their title and registration eligibility.

In Colorado, the issuance of most personal motor vehicle titles and registrations is handled by local County Clerk & Recorders in the county where you reside.

Low-Power Scooter

A Low-Power Scooter (LPS) is a self-propelled vehicle designed primarily for use on the roadways with not more than three wheels in contact with the ground, no manual clutch, and either a cylinder capacity not exceeding fifty cubic centimeters (50cc), if powered by internal combustion, or a wattage not exceeding four thousand four hundred seventy-six (4,476), if powered by electricity.

A Low-Power Scooter does not include a toy vehicle, bicycle, electric-assisted bicycle, wheelchair, or any device designed to assist mobility-impaired people who use pedestrian right-of-ways. Click here to learn more about e-bikes.

Colorado Revised Statute 42-1-102(48.5), 42-2-103, 42-3-105(1)(d)(l), 42-3-105(2), 42-3-104(4)(a), 42-3-311, 42-4-109, 10-4-619 and 10-4-624 and 1 CCR 204-10-40 Low-Power Scooter Rule.

Low-Speed Electric Vehicles

Low-speed electric vehicles (LSEV) are defined as a vehicle that:

  • Is self-propelled, utilizing electricity as its primary propulsion method.
  • Has at least three (3) wheels in contact with the ground.
  • Does not use handlebars to steer.
  • Exhibits the manufacturer’s compliance with 49 CFR 565 or displays a seventeen (17) character vehicle identification number as provided in 49 CFR 565.

Kei Vehicles

Kei vehicles are defined as a vehicle:

  • Powered by an internal combustion engine with a displacement of a one thousand cubic centimeters or less, or an electrical motor of fifty-six thousand watts or less;
  • Is sixty-seven inches or less in width;
  • Is one hundred forty inches or less in length;
  • Travels on four or more tires in contact with the ground;
  • Has a top speed of at least fifty miles per hour;
  • Has an enclosed passenger cab;
  • Was imported into the United States; and
  • Was 25 years old or older when imported into the US; or is 25 years old or older and was previously issued a title in the US. (CRS 42-1-102 (42.3)) 

These are not legal to title or register for on-highway use in Colorado until January 1, 2028. After that date, they will only be allowed on roads with a speed limit of 55 mph or less. For more information, see House Bill 25-1281.

Additional information on the registration process will be provided closer to January 1, 2028.

Kit Vehicles

A Kit vehicle is 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 (CRS 42-1-102(45.5)). A kit vehicle must meet the definition of a motor vehicle and not an off-highway vehicle to be allowed an on-highway title and registration. Kit vehicles will need to follow the DR 2709 State of Colorado Checklist: CO Assigned Vehicle Identification Number form available on the Forms webpage here.

Check with your county motor vehicle office or Colorado State Patrol to see if your vehicle qualifies as a kit vehicle.

Military Vehicles

Personally owned military vehicles (historical, surplus, or foreign) are not allowed on-highway title or registration in Colorado as they do not meet the definition of a motor vehicle.

Off-Highway Vehicles

Off-highway vehicles (OHV) can be titled for off-highway use in Colorado with your county motor vehicle office. However, they can only be registered through Colorado Parks and Wildlife.

An OHV:

  • Is a self-propelled vehicle that is designed to travel on wheels or tracks in contact with the ground,
  • Is designed primarily for use off public highways
  • Is generally and commonly used to transport persons for recreational purposes.
  • Includes all-terrain vehicles, snowmobiles, and surplus military vehicles.

OHVs do not include: 

  • Toy vehicles
  • Vehicles designed and used primarily for travel on, over, or in the water
  • Historical military vehicles
  • Golf carts/cars
  • Vehicles designed and used to carry persons with disabilities
  • Vehicles designed and used specifically for agricultural, logging, or mining purposes
  • Motor vehicles

Special Mobile Machinery

This includes vehicles like construction equipment (tractors, cranes, etc.) that are not designed for road travel. They have their own SMM registration. For more information on Special Mobile Machinery, click here.

Autonomous Vehicles

Senate Bill 17-213 authorized the use of highly autonomous driving systems in Colorado under certain conditions, which established Colorado as one of the most forward-leaning states in the country. The legislation established the following policy environment to support the continued advancement and deployment of Automated Driving Systems (ADS) in Colorado:

  • Levels of automation 0-3 (according to SAE International Standards) are legal under Colorado law with a human driver in the vehicle.
  • Defined “Automated Driving System”, or ADS, as Society of Automotive Engineers levels 4-5. Highly autonomous driving systems (Level 4-5), with or without a human driver, are authorized to operate in Colorado if they can meet all applicable state and federal laws.
  • If the ADS cannot meet all state and federal laws, the Colorado Department of Transportation and Colorado State Patrol are responsible for approving their operation in the State.
  • No state agency or local jurisdiction may set policy or regulations for an ADS that are different from the standards set for a human driver.

Learn more about Autonomous Vehicles here.

Unconventional Vehicles

Vehicles that are not clearly defined in statute and do not have an NHTSA conforming VIN, can go through the Unconventional Motor Vehicle Review process through their county motor vehicle office to see if they are eligible for on-highway title/registration. Owners will need to submit to their county:

  • Photocopy of the Federal Certification Label (NADER)
  • Vehicle/motorcycle description (specs) sheet
  • Buyers' invoice (if available)
  • Photos of the vehicle
  • Motorcycles 2006 and newer must be EPA certified for highway use
  • Certified VIN Inspection
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