This week we’re taking a second look at the all-new 2021 GMC Yukon Denali produced in my home area in North Texas, only this time, we have the Duramax diesel version instead of the big V8 we had ...

The off-road-focused 2024 GMC Sierra AT4X trim of the GMC Sierra 1500 lineup will feature the new 3.0L I6 LZ0 turbodiesel Duramax engine as its standard powerplant, GMC just announced. GM assistant ...

While the American Dream should include a "result may vary" disclaimer, one thing that has not changed in this white-picket-fence ideology is owning a Big American Car. Big cars as symbols of wealth ...

GM Authority Executive Editor with a passion for business strategy and fast cars. Get our GM news straight to your inbox. We'll send you one or two emails a day with the latest GM news coverage. It's ...

Denali and AT4 represent two opposite ends of GMC's portfolio of trims, and knowing the differences between the two is crucial for every potential GMC owner.

Chevy's 6.6L Duramax offers high performance and lousy MPGs. If you want a comparable diesel engine with better gas mileage, ...