When a 2021 GMC Sierra 1500 owner’s transmission failed, what followed became a rare example of how true dealership loyalty ...

Before Sierra became a full-size truck model of its own in 1988, the name was used to describe an available trim on other GMC trucks. The GMC Sierra has done well in sales despite stiff competition ...

GM has issued a Service Update that applies to certain units of GMC full-size trucks and SUVs, including the Sierra, Yukon, and Yukon XL, which is related to an ECM software update. For GMC models, it ...

Today's pickup trucks are rolling superlatives, with the top trims being more opulent luxobarges than humble work tools, and the uber-luxe 2024 GMC Sierra 1500 Denali Ultimate is no exception. In GMC ...