A GMC Sierra 1500 owner is stunned that his diesel truck delivers a "shockingly good" 23.5 MPG on logging roads, even with ...

Heavy-duty capability meets refinement in the Sierra 3500HD. Max gooseneck towing hits 36,000 pounds, while the Denali Ultimate trim provides near-luxury comfort. Industry-first hands-free towing via ...

In November 2025, GMC Sierra HD offers include low-interest, long-term financing, plus $500 off for both 2500 HD and 3500 HD ...

GMC is known for a lineup dedicated exclusively to SUVs and pickup trucks. While sharing some parts and select platforms with other GM brands like Chevrolet, GMC’s brand identity has made it uniquely ...

Next year, heavy-duty GM trucks will lose their Allison badges, even though the transmissions themselves won't change.

GMC is getting its heavy-duty trucks ready for the mud this summer with its All Terrain package for the Sierra 2500HD and 3500HD. Meant to blend style, tech and ruggedness, the pack includes a lot of ...

GM is taking the unprecedented step of removing some of the badging on its unsold trucks starting in 2026. Here's how GM ended up in this weird situation.