Remember: We're discussing engines here, not trucks, so we won't comment on fit and finish issues and other mechanical gremlins that Duramax truck owners may have faced. With that out of the way ...

In fact, GM's heavy duty pickup truck market share has jumped nearly tenfold in the six years that Duramax engines have been offered.

The ZR2 not only looks cool but has ... relevant to pickup truck buyers that’s not being covered as much: The Silverado’s towing improvements with the 3.0-liter Duramax diesel.