Founded in 1932, Audi is a German auto manufacturer of luxury automobiles. The company's four-ring emblem symbolizes the merging in 1932 of four previously independent motor-vehicle manufacturers: Audi, DKW, Horch (established in 1899), and Wanderer. These companies form the roots of what is today AUDI AG. The Audi A6 Sedan (photo) has been a a popular fleet vehicle for executives.