Those V8 diesel engines are the 6.6 Duramax found in offerings from General Motors, and Ford's 6.7 Power Stroke. As you probably know, General Motors (GM) produces two distinct lines of full-size ...

General Motors' Duramax engine family is one of the three leading names in diesel engines, right up there with Ford's Power Stroke and Cummins' diesel engines — like the legendary Cummins 6BT ...

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 ...

Ford certainly has the upper hand as the all-new Power Stroke 6.7-liter has plenty of potential left in it, while the 6.6-liter Duramax is a revised version of an older engine design and has used ...

Fuel economy is another strong suit of the Duramax diesel engine. We finished out the year with an average of 19.1 mpg. If you remove the more than 3,000 miles of towing, that figure jumps to 20.8 ...

For those customers looking to equip the 2025 GMC Yukon with the optional diesel engine, the 2025 model year will likely ...