Quote:
Originally Posted by cbr1100xx
The computer is always wrong/optimistic. Usually by about 2mpg. By hand I average between 16-17mpg mix of city/hwy.
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It's funny, mine is usually pretty close to hand calculation. Like maybe 0.5 mpg optimistic. It was close enough that I stopped doing the hand calc. Maybe I'll go back and hand calculate the next couple of tanks and see.