Originally Posted by gblansten
I'm 14.1 in a C63 the life of the car with mostly city driving and a heavy right foot. I expect the same in the M3 I'm getting.
I'm averaging 16.7 with 95% city driving-and I have a heavy foot. The M3's computer tells me that I'm at 15-15.4, however.
I trust my own calculations because I doubt that the gas station is really giving me more gas than I am paying for.