My automatic 300D turbo "feels" faster than my 240D W 617 turbo and manual 4 spd, but they actually are just about the same in acceleration. The 240D gets a bit better mileage despite the 3.69 rear.

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1979 240D- 316K miles - VGT Turbo, Intercooler, Stick Shift, Many Other Mods - Daily Driver

1982 300SD - 232K miles - Wife's Daily Driver

1986 560SL - Wife's red speed machine