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.

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 ...

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 ...

This article is from a special section that was not produced by the newsroom. For 2025, the GMC Sierra 1500 full-size pickup continues to offer its special AT4X model designed for off-road enthusiasts ...

Regular production order code LZ0 denotes an improved version of the LM2, the 3.0-liter Duramax straight-six turbo diesel that General Motors rolled out in light-duty trucks from Chevy and GMC for ...

General Motors has paused production of its LM2 3.0-liter turbodiesel inline-six Duramax engine due to a parts shortage. The Fast Lane Truck first got word of the move late last week after viewing an ...