Anyone got a new 2016 T680 with a 450 Cummins if so how's it holding up so far good bad ugly?, and how's your fuel mileage Lone Mountain Truck Leasing has a few just trying to get a Idealif they're worth it.
Have a 2015 680 with Cummins. You can feel the power. Nice and comfortable ride. A little things they could have designed better or replaced with something else, but I'm not picky. Running 6.8 average to the mile right now pulling a dry van.
Good truck overall. 225k miles