GM has issued a Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve.

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.

The 2026 GMC Sierra 1500 full-size pickup is available in many mechanical permutations, and some of them have slightly revised fuel economy ratings.

In a similar fashion to the Silverado 1500 ZR2 for the 2024 model year, the Sierra 1500 AT4X is getting a diesel engine in the form of the 3.0-liter Duramax. Optional in the ZR2, the inline-six turbo ...

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 ...

View post: I Put My Toddlers in a 2025 Land Cruiser 1958. Here’s How it Went Changes are afoot for the 2024 GMC Sierra 1500 lineup. The one ringing the biggest bells for the off-roading crowd is the ...

Chevrolet and GMC trucks share the same engines, albeit with occasional differences in power output. Even the EVs from both ...

The most extreme version of the Sierra 1500, the off-road-capable AT4X trim, will now be offered with a fuel-sipping 3.0-liter Duramax diesel engine. The torquey unit will come as standard on the 2024 ...

At first glance, the 2024 GMC Sierra Denali 2500HD Denali Ultimate seems like theUndercover Bossversion of the heavy-duty truck world, as if it put on work boots but forgot to take off the Rolex.

In the wake of our recent big-rig coverage, this report focuses on a GMC TopKick pickup that, although bigger than the full-size rigs we typically cover, is not quite as sizable as a Class 8. This ...

Explore the 2025 GMC Denali Ultimate HD Lifted 4, a perfect blend of luxury and functionality for daily driving. With its ...