Erich Bitter Automobil GmbH (Bitter) is a premium sports-luxury automobile marque produced in Germany and later Austria. Founder Erich Bitter, a former racing driver turned automobile tuner, importer and ultimately designer began crafting his own vehicles after business ventures with Italian manufacture Intermeccanica ended. Bitter specialises in rebody-ing other manufacturer's vehicles and its initial production was between 1973 and 1989, selling vehicles in Europe and the United States.