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.

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 ...

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 ...

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 ...

View post: Amazon Has a ‘Seamless’ $80 CarPlay Adapter on Sale for Just $40 Changes are afoot for the 2024 GMC Sierra 1500 lineup. The one ringing the biggest bells for the off-roading crowd is the ...

At an event dubbed "AT4Xpedition," GMC recently invited media to live out our collective Yellowstone dreams in the stunning picturesque mountains of Montana. The single drive program included five ...