GT赛车, or GT racing, refers to a category of sports car racing that features grand touring cars. These cars are typically modified versions of production vehicles, designed for high performance on both the track and the road. GT racing is popular worldwide, with various championships and events, including the FIA GT World Championship and the 24 Hours of Le Mans. In GT racing, teams compete in endurance races, sprint races, and other formats, showcasing the speed and handling of their vehicles. The races often involve multiple drivers sharing a car, emphasizing teamwork and strategy. Notable manufacturers in GT racing include Ferrari, Porsche, and Mercedes-Benz.