I just bought a 26' enclosed V nose trailer. I had planed on pulling it with a 1992 Ford F250 with 460 in it. Grandpa had bought and used this truck for pulling a 29' 5th wheel camper weighing ~10k lbs. Grandpa said it generally got 10mpg loaded, empty, 2x, 4x, ect. This weekend we pulled the trailer from the east side of the state (home) to Federal Way where we were diving. The trailer has forced air heat so was good for when we got out of the water between and after the dives. I knew it was not going to be a cheap trip but was going to be worth it, problem is I averaged about 6.5 mpg. This is a HUGE problem for obvious reasons. I burned up almost 40% more fuel then I had planned and this is a problem. This is also basically hauling empty. We just had dive gear and a few odds and ends in there. When we use it in the future we can and will be hauling multi ATV's, camping gear, guns, ammo, ect. With increased weight I am sure milage will drop even more. Now I am looking at diesel trucks. I dont know much about them. I have been reading lots of stuff about them and not sure if that makes me have more or less questions. From what I have been reading any mid 2000 and new 3/4 or 1 ton trucks seem to be able to get ~15 mpg with ~10k loads. Does anyone have any experiences that confirm or deny this? I am looking at either a Chevy 2500/3500 or a Ford 250/350 possibly a dually. Dodge is not on my list due to the way I was treated by the local dealer and Chrysler after buying a new truck that had lots of problems. I am more of a Chevy fan due to interior comfort. Plus other then my one Dodge I have only owned Chevy/GM. I am looking at under $30k, closer to $20K would be better. The truck I have now had ~130K miles on it but does need some work. If I continue to keep using it to pull it really needs about $4000-$5000 work overall to get it back in great shape. I would rather put that money in to a newer rig. Any thoughts or comments would be great. I am hoping to have pics and a review of my new trailer set up sometime this week.