I have a 2006' PowerWagon regular cab 5.7 Hemi with 8' bed. 4.56 gears. My average fuel mileage is 10.2 mpg. Towing a 23' Contender from Florida to Louisiana I got 7.3 mpg average. Now that it's in Alaska I gotta say it's not much fun trying to accelerate from any stop on icy roads. You have to...