The Citroën DS21 was introduced in 1965. The DS21 was a larger engined version of the DS19, and featured a higher level of interior trim. The DS21 was offered as a sedan and station wagon, while convertible versions were offered by coachbuilders. These open top cars are some of the most desirable Citroën DS examples. The DS21 was fitted with a carbureted 2.1L inline four engine, but in 1969, a fuel injected unit was introduced (Designated by the letters 'ie'). The Citroën DS21 was in production until 1972.