Just checked VW 2009 Jetta 2.0L TDI engine's stroke. 95.5mm
Solving for RPM @ ideal piston speed = 1570-1896 rpm.
Max. torque is listed at 1750 rpm.
Therefore, the engine feels gutsy/torquey in its ideal piston speed range! Don't know what that would translate into on-the-road speed...
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