In the US market, the original 4 cylinder 190D (1984-1985) was 2.2 liters and 72bhp. In 1986-1989, all 190D had the 2.5 liter 5 cylinder, which was rated 93 bhp. 1987 was the only year for the 121bhp 190D 2.5 Turbo, which is a highly desireable model.

-Joe