1985 300D Turbo........
I don't know if there is a stat on most reliable engine/chassis/drivetrain combo?? However, the S body was heavier and you know how much we like heavier vs. slimmer
.
Mine runs and looks great, I love this car and the 85 was the last year of the classic body style.
Soooo, she's the youngest....how bout them apples!