I found 2 different trucks im interested both crew cabs with short bed, one is a 2015 2500 slt with 14k miles, and the 5.7l hemi the dealers had it listed for over 300 days and dropped price over 6-7k since listed, the other is a 2015 3500 srw 6.4l hemi tradesman, with 50k miles listed for the same price as the 2500, my question basically is the 3500 with 50k miles too many miles for a 2 year old truck? Also i love the larger trucks mpg doesnt bother me, i want a beefier vehicle then a 1500 id only be doing occasional towing with it, am i crazy to jump up to a 3500 or should i go with the 2500. Also the 2500 doesnt have a built in break controller or towing mirrors, as for it was known by carfax to have been a rental