Quote:
Originally Posted by Red Bread
I think that's very old math. Many years ago, Road & Track calculated the ideal cruising speed for each car, based on drag coefficient, frontal area, gearing and the power curve. I used the calculated 72 mph for my CRX Si to justify plenty of speeding back in the day.
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Consumer Reports
tested a bunch of vehicles at different speeds too. It appears to corroborate the estimates of EPA.
I think that when the N20 can achieve as good numbers as 24-30 mpg doing 75 mph, and especially considering its larger air resistance, it goes to show how fuel efficient a car it really is.