GM started using the long-running Duramax V8 in 2001. Many improvements later, the most powerful diesel to ever grace the heavy-duty Silverado and Sierra comes in the guise of the 6.6-liter L5P.

General Motors and heavy-duty trucks go a long way back. For the time being, the Chevrolet Silverado HD and its GMC-branded twin do the heavy lifting for the Detroit-based automaker. The Silverado HD ...

The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter gasoline V8, or the optional 6.6-liter Duramax turbo-diesel. Opting for the TD ...

General Motors has issued a stop-sale order on certain units of the 2022 Chevy Silverado HD, GMC Sierra HD, and Chevy Silverado MD (4500HD / 5500HD / 6500HD) equipped with the 6.6L V8 L5P turbodiesel ...

Towing heavy loads with a pickup truck is something that more and more Americans do every day (or weekend). From towing huge toy haulers to flatbed trailers with a rig or two attached, folks are using ...

As we continue to maneuver our way through "these unprecedented times," thankfully, truck manufacturers and vehicle-logistics professionals have implemented new operating procedures that once again ...

Chevrolet has freshened its Silverado 2500HD and 3500HD truck line for the 2024 model year. “HD” stands for heavy-duty, and that’s exactly what these trucks are: Large, burly, and built with heavy ...