We have a Jayco 26 ft TT, 4600 lbs dry, less than 6000 lbs loadedWe want a Suburban/Yukon to pull it. We're told to get a 2500, which are hard to find in decent condition. then I see some 1500's such as a Yukon Denali with a 6.0 v8 and a 3.73 rear ha...