Not sure what I'm doing, but my 4x4 off-road Auto sure does suck it down. Best MPG is 18.6563 all highway. But I do have a somewhat lead foot, with A/C usually on, and mostly city driving with stoplights. 0-60-0 about 12-15 times just to get to work...

Total Miles Logged: 10088.6
Total Gallons : 691.79
Avg. MPG: 14.583
Avg. cost per Mile: $0.17
Total money spent: $1,721.63
Avg. Tank: 252.215