It all depends on what you want to tow. I have the 6.2s older brother (iron block 6.0, 345hp and 380ft/lb) and tow a 6,000 lb travel trailer with no issues at all. Yes it wants to wind up on the steep grades but over all a good towing combination. The nice part is the torgue curve, it only varies 80 lbs from 1,500 to 5,000 rpms so the low speed torgue (300 ft/lbs) is very acceptable.

While the truck is rated at 10,500 lbs tow rating, if I was to go up beyond about 8,000 lbs. I would definitely go for the diesel option. Torgue is king when pulling.

Bill