This diagram shows the brake specific fuel consumption (BSFC) [g/kWh] of the smart forfour 3-cylinder Diesel engine with 1.5 liter displacement. The axes are horizontally rotational speed, <i>n</i>, in rpm and vertically mean effective pressure <i>p</i><sub>e</sub> (bar)
Steffen Digeser, Mario Erdmann, Franz-Paul Gulde, Thomas Mühleisen, Joachim Schommers, Roland Tatzel
Motortechnische Zeitschrift MTZ 1/2005; Der neue Dreizylinder-Dieselmotor von Mercedes Benz für Smart und Mitsubishi