387 Wh/mi, 1244 miles, P85, 21" wheels, Chicago, IL. I park the car downtown unplugged most days in an unheated garage, so there's some significant battery warmup energy used each day during the cold Jan-Feb here.
April 2014 update: 354 Wh/mi, 12,700 miles, 19" Rials with Blizzak LM-60s...