Highly modified and/or restored vehicles with uprated engine swaps, and/or body conversions. Generally, Restomod and Custom vehicles cannot be easily returned to their original factory specifications.

Vehicles that are returned to near factory specifications, through a process that goes beyond routine maintenance and upkeep. Restored may include vehicles with modifications that preserve a period-correct engine and body.

Vehicles with a period-correct engine and body, with multiple significant modifications such as change in color, increased displacement, added performance equipment (Turbo, Supercharger), spoilers or bumpers, etc. Generally, removable modifications.