Mazda RX-7 is the first car that was serially wankel Rotary engine. In the history of the Mazda RX-7 was four generations. The first generation from 1978 to 1985 year. Second generation — from 1985 to 1991. Third generation — from 1992 to 1999. The last, fourth generation — from 1999 to 2002 year.