One-make racing[REF] (known as spec racing[REF] in North America) is a racing category in which all competitors race in identical or very similar vehicles from the same manufacturer, often using the same model.
Examples of one-make racing from around the world include the Porsche Carrera Cup[REF] and Supercup, Radical European Masters, Power Maxed (formerly John Cooper Works) Mini Challenge[REF] and Commodore Cup.