A powerful engine, then, is imperative to a truck's performance. 2024's GMC Sierra HD, for instance, is capable of towing 22,500 pounds, and powering it to these numbers is the Duramax V-8 ...

The Chevrolet Silverado HD — and its corporate twin in the GMC Sierra HD — can be had with either a standard 6.6-liter ...

Such was the case for GM and Isuzu, with the two companies previously involved in the production of the 6.6L V8 Duramax engine. However, these days, the 6.6L V8 Duramax engine is solely a GM effort.

In 2019, General Motors introduced the Duramax 3.0 diesel engine in its lineup, which could outperform or match its rivals in power and towing capacity. Several years later, in 2023, the inline ...