I'm in the market for a new PU to tow my 13,000 gvw WW FSW 3200. The deals on the 2014 around here are $5000+ right off the top... a considerable savings. Trying to get more familiar with the new ...
Flaws? Maybe that 40 hp & 60 ft lb of torque had something to do with it. That and they are nice marketing bullet points. Just because they "upgrade" something. doesn't necessarily mean it was flawed.
With over 30 years in the fleet business I can tell your for sure things only change because there is flaw or they found a cheaper way to make it. The exhaust brake has to be selectable: down hill on a slick road can be a disaster if it kicks in automatically.