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.

Changes are afoot for the 2024 GMC Sierra 1500 lineup. The one ringing the biggest bells for the off-roading crowd is the engine swap headed to the AT4X trim. Right now, if you want an AT4X you’ve got ...

The 3.0L Duramax has been under the hood of quite a few GM models, but it's not perfect. Here are the most common reported ...

Cummins vs. Duramax is certainly an argument had often among diesel enthusiasts, but in a practical performance comparison, ...

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 2024 GMC Yukon is expected to introduce a full model refresh for the full-size SUV, debuting a long list of changes and updates for the current fifth generation. The question is – will those ...

When it comes to maximum towing capacities, the LZ0 and L87 are very close. Only 100 pounds (45 kilograms) separate the ...

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 ...

First rolling off the line in 1996, the Chevy Express and GMC Savana haven’t changed all that much in the decades the nameplates have been produced. That said, both models dropped the turbocharged ...

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 Duramax Truck! It's equipped with a 10-12" Mcgaughy's lift and 22x14 XD ...