Quote:
Originally Posted by redpoint5
It could have had a measly 3.4 kWh larger battery pack and that extra range would be available all of the time rather than only during optimum conditions.
Seems range claims have no accountability. Tesla is notorious for claiming more range than people typically get. They can get away with it because range varies so much depending on environmental conditions that it's difficult to define a testing regimen that will produce accurate estimates for people in those varied regions.
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The acid test would fall to the EPA 55/45 Composite Ratio, based on the CITY and HWY dynamometer results and EPA fudge factors.
My recommendation is, find the steady velocity at which any particular vehicle achieves it's EPA HWY rated mpg. And go from there.
Tesla Motors has reported that their cars achieve their highest HWY range at 57-mph.