If this helps, you are welcome.
As a Rancher I have purchased and owned over a dozen light trucks over 55 years. I still own a few and some are owned by the people that I sold or gave to, that still run.
Since Dodge, now RAM, started putting Cummins engines in their trucks, I have never worn out a Cummins Engine. Our oldest RAM, a 1999, that I still own has over 300,000 miles and still runs fine. Our oldest, a 1972 Dodge 250 gas engine, is still in use on my son's ranch as a water truck for his cattle. Since Dodge started offering Diesels, I have always bought Diesels.
I also just bought another RAM 3500 HD, 4WD, with CM Flatbed, Receiver, B&W turn over, and B&W Companion hitches, with the 6.7 HD Cummins engine, last month for a total cost, including taxes, of $45,650.