43,000 miles, 13,194 KW used, equals 307 Wh/mi here in Florida, 2014 Model S, now 4 years, 9 months old (57 months). Battery now only charges to 260 miles (new was 265 mi) and the 80% daily charges now only goes to 230 (new was 240), but like all batteries, they have a declining life.