A Tesla gets between 3.5 and 4.0 miles per kWh[1] at 55mph. That means in an hour they'll use 13.75 to 15.62 kWh. [1] Doing math for range / capacity at http:

A Tesla gets between 3.5 and 4.0 miles per kWh[1] at 55mph. That means in an hour they'll use 13.75 to 15.62 kWh. [1] Doing math for range / capacity at http://www.teslamotors.com/models/options http://www.teslamotors.com/models/options