The Porsche 911 GT3 is a high performance version of the Porsche 911 sports car primarily intended for racing. It is a line of high-performance models, which began with the 1973 911 Carrera RS. The GT3 is named after the Fédération Internationale de l'Automobile (FIA) Group GT3 class in which it was designed to compete.
A number of variations, designed for road and track duty, have been introduced since its launch in 1999. More than 14,000 911 GT3 cars have been produced.
The GT3 has had a successful racing career in the one-make national Porsche Carrera Cup series, and the international Porsche Supercup. It has won championship and endurance races, including the GT class of the American Le Mans Series.