Posted in diesel, GM, GMC, GMC Sierra, Reports, Trucks 2017 GMC Sierra HD Receives GM’s New 445 HP Duramax Diesel V8 Author: Brad Anderson Published Date: September 30, 2016 GMC's 2017 Sierra HD range has been expanded with the addition of the firm's redesigned Duramax 6.6-liter turbo-diesel V8.Read more ยป Related News 2016 GMC Sierra HD Gets New TechnologiesGMC has added technology updates to the 2016 Sierra HD lineup, as well as new new colors and headlights with… GMC Launches 2017 Sierra HD All Terrain X Paired With All-New Duramax DieselJoining the likes of the Canyon and Sierra 1500 this fall as the third model in GMC's limited-edition All Terrain… GMC Teases 2017 Sierra Denali HD With Functional Hood ScoopSee anything different about the 2017 Sierra Denali 2500HD that GMC teased today? Of course you do – it’s that… GM Sued For Using Defeat Devices On Chevy Silverado And GMC SierraGeneral Motors has been hit with a class-action lawsuit accusing the company of using defeat devices on hundreds of thousands…