Did a quick trip to Atlanta and back this weekend ( 755 miles round trip). Ran a few tankfuls at 80 -85mph by the gps( 85-90 by speedometer)got 36mpg. Also last tank reserve light and odometer came on at about 150 miles and had to switch to reserve immediately. This was one of the tanks I ran hard. Ran another 31 miles at 65-70mph and when I fueled up, I put in 5 gals. Does this sound about right?