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      03-20-2020, 05:00 PM   #14
SteveinArizona
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Drives: BMW 530e
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Quote:
Originally Posted by M40iSFR View Post
It must be possible to calculate.

At a constant speed of 120 KPH, gradient, rolling resistance, and all other variables constant. 8th gear would be say 1,000 RPM, 7th gear 1,500 RPM, etc. What's the difference in fuel consumption.

Maybe something to do with gear ratios?
One of the greatest logical fallacies is "all other things being equal" [They never are and on a public road, they can't be. So forget about it.
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