Will a 10 mile commute kill a diesel?

Currently running a Cummins 2011 and a 2013, Ram 3500 crewcab SRW 4X4, I can tell you from experience and pics to back up the comments, it really depends on the operating temperatures, the amount of idling and whether it's a manual trans or an automatic. The 2011/12,s were terrible and just could not operate in the cold especially the manual trans G56, the 2013 so far started out throwing exhaust codes but after a re-flash of the ECM has been operating ok but has traction control issues that are not going away without a re-write of the programming. Engine wise the 2013 with the DEF has better oil change interval and less fuel dilution than the 2011/12 but the manufacturer decided the 2013 didn't need a fuel cap. As the OP is looking at a 2500, that only comes with the 68 RFE auto trans which has proved good so far towing 14,000lbs max, the Aisin in the 3500 is a better choice, do not get the manual G56 trans, the clutch is marginal and if you upgrade that the G56 is next in line.