2008 Ford F-350 Super Duty Lariat 4dr SuperCab LB DRW (5.4L 8cyl 6M)
I want to fist say that I have the King Ranch and it has the most amazing leather package that I have ever seen! Next, it is not entirely Ford's fault regarding fuel economy. In 2008, the EPA mandated DPF filters on all diesel trucks resulting in horrible fuel economy. The radiator issue is a recall, and I had mine replaced at 35k -- since then I had no problems. Towing: I tow a 38ft 12k fifth wheel and live in Colorado (high altitude). The DPF while in regen will increase EGTs resulting in the turbo fans to go off and sometimes resulting in the truck going into limp mode. I find this to be this trucks serious flaw.
The King Ranch interior, the "big boy step", and the controls are easily assessable.
Like I said earlier -- the DPF causing high EGTs resulting the truck to enter limp mode, and thanks to the EPA horrible gas millage. Get a DPF delete kit, an edge programmer, a bigger intercooler and a cold-air intake and you will get 40-60% better fuel economy.