A 2025 GMC Sierra 3500 AT4 owner is reeling after his brand-new diesel dropped from 24 MPG highway to a measly 17 MPG, and ...

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.

Within one week of each other, both Ram and GMC launched their latest light-duty diesel pickups at media drive events: the 2020 GMC Sierra 1500 Duramax diesel and the 2020 Ram 1500 EcoDiesel]. First, ...

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 ...

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 ...

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 ...

When GM launched new-generation trucks for the model year 2020, the Allison automatic was gone. The trucks still got the ...

The 2020 GMC Sierra 1500 AT4 took a bit of engineering magic to fit the new powerplant under the hood, but GM's 3.0L inline-six Duramax diesel has finally met the Sierra 1500 AT4. The engine comes ...

Plaintiffs formally issued a lawsuit against General Motors in federal court on Wednesday, claiming the Detroit auto giant sold Chevrolet and GMC vehicles from 2011 to 2016 that could not run properly ...

During our first drive of the 2020 Chevrolet Silverado 1500 with the Duramax 3.0-liter diesel, our fuel economy results were astonishing after a 30-mile test loop being driven for maximum mileage: ...

Gale Banks could have invented that familiar expression about thinking outside of the box. Long known for developing a number of innovative high-performance projects, his latest endeavor is not just a ...