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A sports prototype, sometimes referred to as simply a prototype, is a type of race car that is used in the highest-level categories of 
Prototype racing cars have competed in sports car racing since before
* Group 7
* Group 6
* Group C
* Group CN
*
sports car racing
Sports car racing is a form of motorsport road racing which utilises sports cars that have two seats and enclosed wheels. They may be purpose-built prototypes or grand tourers based on road-going models. Broadly speaking, sports car racing i ...
. These purpose-built racing cars, unlike street-legal and production-based racing cars, are not intended for consumer purchase or production beyond that required to compete and win races.
Prototype racing cars have competed in sports car racing since before World War II
World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the World War II by country, vast majority of the world's countries—including all of the great power ...
, but became the top echelon of sports cars in the 1960s as they began to replace homologated
Homologation ( Greek ''homologeo'', ὁμολογέω, "to agree") is the granting of approval by an official authority. This may be a court of law, a government department, or an academic or professional body, any of which would normally work f ...
sports cars. Current ACO
ACO, AcO, or Aco may refer to:
Organizations
* Accountable care organization, healthcare organization characterized by a specific payment and care delivery model
* Aco Records, a British 1920s record label
* ACO, C.A., a Venezuelan holding compan ...
regulations allow most sports car series to use two forms of cars: grand tourer
A grand tourer (GT) is a type of car that is designed for high speed and long-distance driving, due to a combination of performance and luxury attributes. The most common format is a front-engine, rear-wheel-drive two-door coupé with either ...
s (GT), based on street cars, and prototypes, which are allowed a great amount of flexibility within set rule parameters.
In historic racing, they are often called "sports racing cars". Sometimes, they are incorrectly referred to as "Le Mans cars", whether they are competing in the Le Mans race or not.
Types of sports prototypes
Since the 1960s, various championships have allowed prototypes to compete. However, most championships have had their own set of rules for their prototype classes. Listed here are some of the more commonly known types of prototypes.
* Group 7
* Group 6
* Group C
* Group CN
* Grand Touring Prototype Grand Touring Prototype may be:
* the 1980's sports prototype class under IMSA GT Championship
IMSA GT was a sports car racing series organized by International Motor Sports Association. Races took place primarily in the United States, and occa ...
(GTP)
* Le Mans Prototype (LMP)
* Le Mans Prototype Challenge (LMPC)
* Le Mans Hypercar (LMH)
* Daytona Prototype (DP)
* Daytona Prototype International (DPi)
* Le Mans Daytona h (LMDh)
* Sports 2000
References
External links
Sports car racing {{Motorsport-stub