When in good condition, *any* 190D is faster than *any* 240D. Stock vs. stock, that is, and that is based on driving several of each. the 190 is lighter and has a more modern engine design.

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1985 300TD
1984 380SL
1983 280SE (full Euro, trunk triangle and all!)

Formerly owned:
1986 420SEL
1984 300D
1983 300D
1981 300SD
1976 300D