The off-road-focused 2024 GMC Sierra AT4X trim of the GMC Sierra 1500 lineup will feature the new 3.0L I6 LZ0 turbodiesel Duramax engine as its standard powerplant, GMC just announced. GM assistant ...

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 1500 AT4X now comes standard with GM's Duramax diesel 3.0-liter inline-six. While it has less horsepower, the diesel's 495 pound-feet of torque is 35 more than the optional ...

Some units of the 2020 GMC Sierra 1500 pickup truck motivated by the 3.0L LM2 turbo-diesel Duramax engine may have a faulty cylinder 2 glow plug that can cause issues, according to a special coverage ...

445 horsepower (332 kW) and 910 lb-ft (1,234 Nm). That’s how potent the redesigned Duramax 6.6-liter V8 is for the model year 2017. Internally referred to as L5P, the newest Duramax is available in ...