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 ...

The 2024 GMC Sierra 3500 HD represents the fifth model year of the fourth-generation full-size heavy duty chassis cab, for which it receive a mid-cycle refresh. This refresh follows the 2020 Sierra ...

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 ...

A wave of new comparisons is spotlighting how the 2026 Ram 2500 and GMC Sierra 2500HD stack up in towing, payload, and engine performance. Ram leans on its high-torque Cummins diesel for smooth, ...

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 ...

The Sierra 3500HD is the largest, strongest GMC truck you can buy, standing above the 2500HD, Sierra 1500, Canyon, and the upcoming Hummer EV. It was fully redesigned last year and adds a healthy dose ...

General Motors started from the frame with changes to the all-new 2020 Sierra 3500. The truck had been falling behind its heavy duty competitors on several fronts and GMC has worked to change that ...

GMC's full integration of the Sierra name into their full-sized truck line-up in 1987 included the one-ton capacity level 3500. The Sierra 3500 was the top capacity pickup was among the GMC vehicles ...

Coinciding with the release of GMC's heavy-duty version of their one-ton truck in 2007 (the GMC 3500HD), the GMC Sierra 3500 Classic was a carry-over of the 2006 Sierra 3500. Available in regular cab, ...