GM's mass-market diesel engine has seen many variations, but these three stand out as the best.

The Duramax V8 L5P has a displacement of 6.6 liters, which is slightly smaller than the 6.7L engines offered by Ford and Ram. Despite this, the L5P delivers 470 horsepower at 2,800 rpm, making it ...

GMC Sierra owner David Tidwell ditches his 3.0L Duramax for a 2026 Ram 1500 after "imploding" engines and thrust bearing ...

When it comes to heavy-duty diesels, enthusiasts and truck owners inevitably circle back to the best American diesel engines: Ford's 7.3L PowerStroke, Dodge's 5.9L Cummins, and GM's 6.6L Duramax. If ...

For diesel engines to work their best, precision is everything. That's why, unlike traditional gasoline-powered engines, a Duramax diesel engine has two thermostats. After all, there are some ...

When it comes to big diesel engines for heavy duty trucks, you have a number of different engines at your disposal to get whatever job you need done. Modern turbo diesel engines are marvels of ...

A Chevy Silverado with a Tennessee vanity license plate bearing the letters "LBZ". - Tennessee Torque/YouTube The Chevy LBZ is often considered the "Holy Grail" of Duramax diesel engines, often ...

One major difference between the 3.0L Duramax diesel engine from Chevrolet and the 3.0L Power Stroke from Ford is their availability. The 3.0L Power Stroke was discontinued following the 2021 model ...

For decades now, the big three American automakers have been engaged in a game of one-upmanship over which company can fit the most powerful and torquiest diesel engines in their trucks. And, just as ...

Shortly after the 2008 financial crisis and the Great Recession that followed, GM canceled its 4.5L V8 LMK turbodiesel Duramax engine. Originally destined for the engine bays of GM’s 2010-model-year ...