The GMC Sierra HD lineup receives a mid-cycle refresh for the 2024 model year, bring all types of upgrades and enhancements to the heavy duty pickup. Thus far, GM Authority has brought you several ...

Compared to the 2024 model, GMC’s 2025 Sierra 2500 HD receives a variety of relatively small changes and updates consistent with a model year changeover. The 2500 HD is the three-quarter ton model ...

This has become a season for heavy-duty trucks, with GMC revealing its upcoming 2024 Sierra HD, right on the heels of the unveils for the related Chevrolet Silverado HD and updated Ford Super Duty.

If the Sierra 1500 is not enough truck, GMC offers the Sierra 2500HD. The current generation of this heavy-duty pickup truck went on sale for 2020, offering gasoline and diesel V-8 powertrains. It ...