RUF Automobile GmbH is a German automobile manufacturer based in Pfaffenhausen, Bavaria. The company was founded by Alois Ruf Sr. and is known for designing and building high-performance vehicles based on Porsche platforms. RUF constructs its own chassis and completes vehicles in-house, qualifying as a manufacturer rather than a tuner. Current models include the SCR, CTR Anniversary, and CTR3 Evo and R Spyder.