I know there aren't many 60kWhs on the road yet, but I am curious as to what Wh/mile they are getting.
Looking at past threads on the 85kWh battery from Rod/Barbara and others, it appears the EPA rating comes out to approximately 307 wh/mile (this comes from assuming 95% of the battery pack is available for use, which leaves 80.75kWh. If you divide this by 265, you get 305 wh/mile - very similar to 307 wh/mile estimated by Rob/Barbara).
However, when you do the same type of math on the 60kWh battery, you get a much lower Wh/mile average for the EPA rated range. For example, if you again assume that 95% of the battery is available for use, that leaves 57kWh. If you then divide this by the EPA rating of 208, you get 274 wh/mile. This is significantly lower than the 305-307 you get for the 85kWh battery.
Does this inherently mean the 60kWh battery uses about 10% less energy to operate (on average)? Is this due to the fact that horsepower/torque is lower? Can we expect the 40kWh to use even less energy, average?
Any insights would be greatly appreciated.
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