I doubt you will see the return on big block V8's or V10's any time soon.
Most likely to see like a 5.0 with turbo boost. Far better towing power and better non towing fuel mileage.
I blame Ford for putting such a bad feelings for diesels with the 6.0 and 6.4, while the 6.7 is better, earlier models had some issues, to that point all the big three had some teething issues with the stricter emissions standards. I believe the big three are over the hump when it comes to emissions issues.
Part of the issues with looking at the $8,000 to $10,000 difference in price the real life of a diesel tuck is not years but decades. Those that want to trade every 2 to 5 years will not be the return on the cost.
My reason for going to a diesel from gas is towing power and fuel mileage. As my daily driver I see about 14 mpg, empty highway about 20 mpg, and 12 mpg towing 11,000#.
