The US states, not the national government, control vehicle ownership in the United States.

These are the presence requirements to own a vehicle in this state:

When you register a vehicle - apply for ownership and permission to drive it on public roads - two costs are due:

These are the costs to own a vehicle in this state.

Sales tax is due where a vehicle is owned, not where it is bought - so owning a vehicle in Montana can save you hundreds (or thousands) of dollars.

8.31% of the vehicle's value

$111

In order to register a vehicle (or renew a registration in this state, the vehicle must meet the following inspection requirements:

The following counties require biennial emissions inspections for vehicles newer than 1975 and more than 6 years old: Boulder, Broomfield, Denver, Douglas, Jefferson, parts of Adams, Arapahoe, Larimer, Weld. When registering a vehicle with a non-Colorado title, a VIN check (performed by any Colorado law enforcement officer) is required.