Originally Posted by
Andy_RR
No they're not. If you're lucky they'll be at or around 220g/kWh. A IO-550 is easily good for 250g/kWh and probably less when things are leaned properly - maybe closer to 235...
I stand corrected. OK, not twice. But significantly better. The only figure I can find is for a 2007 BMW diesel of 198 g/KWh. VW have since improved their efficiency. cy. You only have to look at their automotive consumptions to get an intuitive feel.
https://en.m.wikipedia.org/wiki/Brak...el_consumption
Ps.. I tried to look for IO-550 BSFC numbers.. do you have a link?