For the next few days, GM Authority will be driving this 2022 GMC Sierra Denali Ultimate, the new range-topper in the GMC Sierra 1500 lineup introduced with the recent 2022-mode-year refresh.

The J.D. Power 100-Point Score is based on hundreds of thousands of independent and unbiased opinions of verified car owners. Measures the level of defects, malfunctions, and design flaws experienced ...

Off-roading continues to grow in popularity around the country and GMC is responding with an all-new trim for its full-size truck. While the new Sierra Denali Ultimate is heavily geared toward luxury, ...

Since its introduction in 2022, the off-road-focused GMC Sierra 1500 AT4X has exclusively employed GM’s familiar 6.2-liter gasoline V-8. The AT4X model is now getting a welcomed powertrain addition ...

The 2024 GMC Sierra AT4X is getting an upgraded powerplant for the new model year. Where it once solely featured GM’s 6.2-liter V8 truck engine, it’s now set to offer Duramax diesel power as standard.