General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...

The Duramax namesake has been alive for over 20 years and has been offered in 12 different variations. While there are some newer engines in the series that strayed from the norm, the Duramax engine ...

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 ...

What's the Displacement of the L8P? Just like the L8T this performance version is based on, the L8P displaces a glorious 6.6 liters! Yep, that's 400 cubic inches if you live in the country that walked ...

One of America's most beloved turbodiesel engines, the 3.0-liter inline-six Duramax, powering the GM full-size SUVs, has just bid farewell to the car industry for good. GM killed it last week. August ...

About two decades after the launch of the 6.6-liter Duramax V8, GM's 3.0-liter Duramax inline-six turbodiesel arrived in 2019 with a promise to deliver "outstanding fuel economy, great horsepower, and ...

If you regularly tow a large trailer or fifth-wheel RV, it's difficult to ignore the allure of the Ford 6.7 Power Stroke V8. It is the most powerful of America's big three diesel engines, a list that ...