Check your tire pressures. I run our tires at 40 pounds for the winter. Just put the winter tires (Blizzaks too) and wheels on our 2016 and expect range to drop from 50-55 down to 40-45miles on electric. Winter arriving later this week here in Wisconsin and loss of mileage is worth every mile for how great these tires are in the winter snow, sleet and ice. Wouldn't be without them! Plus heating and my wife loves the heated steering wheel contributes to the loss of range. Still...