General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...
Diesel vehicles got a bad rap after the last fuel crisis for being noisy, smelly, and unreliable. But now, a whole new generation of drivers has arrived that weren't even alive in the early '80s.