The Porsche 914-6 GT was a race car built by Porsche, based on the 914 model with a 6-cylinder engine and GT package. The 914-6 GT was a race configured version of the 914-6. The factory offered the GT option, which was distinguishable by its box-like steel fender flares. It quickly became known as the 914-6 GT and was raced employing different engine configurations. This included the 'T' specification, which was a basic 911 engine. Another popular configuration was to use a converted Carrera 6 engine.