When people ask the MPG I get with my RAM, my normal response is:
"You don't buy a HEMI for the fuel mileage".
Daily stop and go, I do 13-14 mpg, which is exactly what the book says. Don't get on the Highway much, but the few times I have the book seems to be right with the 22 average it claims. Hook up the TT (small 3500lbs) my HWY mileage drops to 11 if I set the cruise just at the 70mph mark, or 11.9 if I set it at 65mph. I am learning to drive the speed limit (65 mph) instead of "respectfully speeding" (70 mph).
You don't pull a travel trailer for the MPG :B