Quote:
Originally Posted by 2016 Versa
My Versa with CVT seems to get it's best mileage between 1400-1600 RPM and depending on terrain is usually 40-50 MPH.
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I think it is important to remember that mileage (fuel Economy) and volumetric efficiency are not the same. You may get your best mileage in specific freeway conditions at 40-50 mph and 1400-1600 rpm. However, Frank's formula applied to your 2016 Versa with its 3.29 inch piston stroke should be moving at a rate of about 1100 ft/min at 2000 RPM. That might be your greatest volumetric efficiency. But if you drove 65 mph or more to cruise at 2000 rpm your aero drag would be MUCH higher and you fuel economy would suffer.