page_title: Homologation (motorsport)
section_title: Automobiles
hierarchical_section_title: Homologation (motorsport) / Requirements / Automobiles
caption_attribution_description: Porsche 911 GT3 RS
context_page_description: In motorsports, homologation is the type approval process through which a vehicle, a race track, or a standardised part is required to go for certification to race in a given league or series. The process of testing and certification for conformance to technical standards is usually known as type approval in English-language jurisdictions. The regulations and rules that must be met are generally set by the series' sanctioning body. The word is derived from Greek ὁμολογέω, homologeo, 'I agree'.
context_section_description: Many manufacturers of vehicles used in production-based racing (whether the vehicles were produced solely to meet homologation guidelines or as a genuine for-profit line) offer a line of high-performance parts not intended for use on public roads. Such components could include exhaust systems and engine internals, and are generally within the homologation guidelines of the racing series in which the vehicles are to be used.
  There is also a brisk after-market supplying components for converting production vehicles to race trim for production-based racing series. One example is lightweight, quickly removable bodywork, to replace stock bodywork that is often heavier and has features required on public roads, such as lighting systems.
  Some sports cars are released to the public for the express purpose of meeting the homologation guidelines of a particular series or several series. In such cases, numbers manufactured are often just enough to meet the minimum requirement for homologation by the racing series for which the vehicle was designed.  And, the manufacturer often designates the car's status in the name, for instance the 1962-1964 Ferrari 250 GTO, "GTO" being the acronym for (in Italian) Gran Turismo Omologata, that is, a homologated grand touring sports car.
  This term is also used to describe various auto racing sanctioning bodies using the same set of rules for a certain class of cars. Homologation is most popular with the production based Fédération Internationale de l'Automobile (FIA) Group GT3 class, where no fewer than 20 different race sanctioning bodies around the world use the same set of rules for this class. This allows the same car to be raced in different sanctioning bodies with no modification.
caption: Porsche GT3 RS.
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