GM Authority has exclusive video of a peculiar GMC Sierra HD prototype testing what may be a brand-new gasoline-fueled V8 ...

The 2024 GMC Sierra HD is the latest iteration of GM’s fancier counterpart to the 2024 Chevrolet Silverado HD. The new model sees the Duramax 6.6-liter turbo-diesel V8 upgraded to 470 horsepower and ...

GMC this week announced a handful of updates for its 2024 Sierra 1500 full-size pickup, key among them being the addition of General Motors' Duramax 3.0-liter turbodiesel inline-6 as the standard ...

General Motors has improved the Sierra 1500, with increased payload and towing capacities, plus a deeper bed. It also improved the powertrain, fuel economy and introduced several unique innovations on ...

Over 20 years ago GMC noticed a market developing for luxury pickup trucks. There was a subset of buyers that needed a truck’s capability, but still wanted the posh suppleness of a luxury sedan. The ...

The verdict: The 2024 GMC Sierra 1500 Denali Ultimate is an outstanding luxury pickup truck with a 6.2-liter V-8 engine that is sonorous and responsive, but it’s let down by some parts-bin interior ...

Get in-depth unbiased information on the GMC Sierra 2500HD from Consumer Reports including major redesigns, pricing and performance, and search local inventory ...