I had a 2011 for about 18 months and in general averaged 4.3 kWh -- I traded it and got a 2012, and now after about 6 months with it, I am averaging about 3.7 kWh. I checked the tires and inflated them to the higher end, and I am still at about 3.7 or 3.8. I am generally driving about the same...