Getting your Trinity Audio player ready... A high-riding hood, massive grille and an elegant and comfortable interior are most visible highlights in the 2015 GMC Sierra 3500 Duramax Denali Crew Cab ...

The 2020 GMC Sierra 3500 HD Dualie boasted 6.6 liters of Duramax diesel power and two more tires in its rearend than usual in our test. See how this dualie fared on- and off-road in the 2020 Pickup ...

GMC Sierra owner David Tidwell ditches his 3.0L Duramax for a 2026 Ram 1500 after "imploding" engines and thrust bearing ...

GM has lifted the stop-sale order that was effective on the Chevy Silverado HD and GMC Sierra HD pickups equipped with the 6.6L V8 L5P turbodiesel Duramax engine. GM dealers were informed on April 26 ...

If you want to buy a new Chevrolet Suburban 3500 Heavy Duty from your local dealer, tough luck. Want a diesel-powered Suburban or Tahoe? You must've been dreaming. Wake up to Duraburb Inc's creation.

It doesn't matter if you're a Chevy, Dodge, or Ford owner, the Allison transmission brand is a name known throughout the industry for strength and durability. In stock form, the Allison 1000 is rated ...