The Audi 80 was a series of mid size luxury cars introduced in 1973. The Audi 80 was sold under various names, including Fox (1973-1979 in U.S. market), and 4000 (1980-1987 in U.S. market). Audi also sold the Audi 90, which was a more luxurious version of the 80. The Audi 80 was produced in four generations: B1 (1973-1978), B2 (1979-1986), B3 (1987-1992), and B4 (1992-1995). The Audi 80 was replaced in 1996 by the Audi A4.