:confused: I'm about to buy a 2016 Ram 2500 used from a private seller. Approx. 35,000 miles 6.7, Aisin, 4wd, SLT. Super clean truck. I also had been looking at a 2012 3500 with 58,000 miles Laramie, 6.7, 4wd, 68RFE also very clean. 16 still has warranty, 12 did not. I'm mostly buying the 2500...