Dr. Ing. h.c. F. Porsche AG (often shortened to Porsche AG, or just Porsche pronounced ) is a German sports car manufacturer, founded in 1931 by Ferdinand Porsche, the engineer who also created the first Volkswagen. The company is located in Zuffenhausen, a city district of Stuttgart, Baden-Württemberg. The company slogan is: Porsche. There is no substitute.