Over the last century, Chevrolet has rolled out several impressive engines, from the Gen I 350 small-block V8 and the Gen III Vortec 5300 V8, both of which we included on our list of the most reliable ...

The 2026 Chevy Tahoe and Suburban are facing a production constraint for one of the full-size SUVs' engine options, with ...

Recent spy footage of several prototype GM HD trucks undergoing testing in Colorado has reignited speculation about the long-rumored 8.3L Duramax diesel engine, nicknamed “MegaMax.” The video was ...

The Duramax 6600 (6.6L V-8) was introduced in 2001 and was developed in a partnership with GM Powertrain and Isuzu Motors. Since its introduction, more than 650,000 6.6L Duramax diesels have been ...

Two brand-new 2025 trucks battle for the win. Which one is a better choice: the half-ton GMC Sierra or the heavy-duty Chevrolet Silverado? A fuel-efficient 3.0-liter Duramax or a 6.6-liter Duramax V8?

Diesel Power recently participated in a Duramax Day presentation held at the Wally Parks NHRA Motorsports Museum in Pomona, California. Gale Banks Engineering, Bosch, DMAX Ltd., and GM hosted the ...

Diesel powertrains have historically been associated with two things: big towing power and increases in fuel economy compared to their gasoline-powered counterparts. Diesel engines usually provide big ...