hello all, in my 2006 gmc 2500 410 rear 4wd w lance 915 ive been getting around 12mpg for the past 6 yrs ,now im looking to upgrade to a 3500/f 350 maybe a diesil. just curious what kind of mileage a...
With the camper @ 55mph according to the computer...20.5mpg Without the camper in town according to the computer ....26 mpg With the camper around town according to the computer ...12.4 mpg Maybe I should mention we drive in Florida on flat ground . When we go to the mountains an we have the mpg does change. We have 185000 miles on the truck an the last time we weighted the combo weighted in at a little over 12200pounds Happy traveling