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 ...

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: 2026 Toyota RAV4 PHEV vs Hyundai Tucson PHEV: 5 Major Differences 2024 GMC Sierra 2500 HD Denali Ultimate Front 3/4 view of the 2024 GMC Sierra 2500 HD Denali Ultimate towing a trailer 2024 ...

GM added the 2.8L I4 LWN turbo-diesel Duramax engine to the GMC Savana order book for the 2017 model year, giving buyers of the utility van more choice with regard to powertrain offerings. However GM ...

GM Defense ISV-U heads to Barrett-Jackson Palm Beach for charity. Built on the Colorado platform, the 2.8L Duramax powers the ...