888-834-2140 The 2012 Mitsubishi i is powered by a 49-kilowatt electric motor (66 horsepower and 145 pound-feet of torque) fed by a lithium-ion battery pack with peak storage of 16 kWh. Driving range is an EPA-estimated 62 miles per charge depending on driving style, traffic conditions, cruising speed, geography (uphill slopes will reduce range since the motor works harder) and battery age. The EPA has given the Mitsubishi i an excellent energy efficiency equivalent rating (MPGe) of 126 mpg city99 mpg highway and 112 mpg combined.