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.

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 ...

The 2023 GMC Sierra 1500 will introduce a few updates and changes over the fully refreshed 2022 model year, dropping in as the fourth model year for the latest fourth-generation pickup. Critically, GM ...

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 ...

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 ...

A new video has hit the net claiming that the factory engine oil filter used on the Duramax-powered Silverado HD and Sierra HD is too small for the application.

If you like big trucks, or you tow a heavy load, I have one for you this week you'll love: The 2025 GMC Sierra 2500 Denali Ultimate, one of the biggest, baddest trucks GMC offers. It is an amazing ...

Met up with the founder of @dieseltrucking at Nashville Cars and Coffee to check out his incredible 2015 GMC Sierra 2500 HD ...

General Motors plans to expand production of future internal combustion engine heavy-duty truck powertrain products with a $920 million investment in its Duramax (DMAX) Brookville facility, near ...