I believe I have the same vehicle in an 08. Called my dealer because I was also getting conflicting info.
7500lbs max trailer with wd system.
I pull a Grey Wolf 25rr toyhauler. Dry weight is 4800 ish. Loaded with a 700lb ATV I know it's back there but it pulls fine on flat roads. 11-12mpg. I cruise about 60-65. When you get on the hills it has to kick down quite a bit but I'm ok slowing down. Some people wanna go 70 all the time.