: Many enthusiasts call this the "holy grail" of Duramax trucks. It was the last year before major emissions controls and is paired with a robust 6-speed Allison transmission. Modern Workhorses (2017–2025)
: Widely considered the most reliable diesel pickup ever made. It is prized for its mechanical simplicity and the Bosch P7100 "P-pump," which can easily surpass 500,000 miles. best used diesel pickup truck to buy
: This was the final year for the EcoDiesel in the Ram 1500 . While early generations (2014–2019) had widespread issues, later versions offer a more refined ride thanks to unique rear coil springs. : Many enthusiasts call this the "holy grail"