Left for our annual east coast trip today. First significant amount of highway driving. First fillup at 395 miles (trip computer showed 55 miles remaining) and trip computer showed 36.6 mpg. Drove pretty much right at the speed limit, 70 mph, except in construction zones. AC was on about 75% of the time. Quite pleased with the first tank. Will report results from the entire trip, estimated to be 2500 miles, in about 10 days.