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 ...

On paper, the Sierra AT4X AEV Edition seems like an all-dominating brute. The AT4X package is burly on its own, adding a ...

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 ...

GM has issued a Special Coverage bulletin for certain units of the 2023 GMC Sierra 1500 to address a potential issue with the engine coolant control valve.

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 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.

One of the most successful Duramax- powered drag vehicles out there is an ’02 GMC Sierra owned by “Idaho” Rob Coddens. If the name Rob Coddens rings a bell, it could be because he was a 2008 Diesel ...

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 ...

Today's auto news headlines read like a warped version of Oprah Winfrey's infamous car giveaway: "You're getting sued for excess diesel emissions! And you're getting sued for excess diesel emissions!