General Motors has teased a new Duramax diesel 8.3-liter engine that it has dubbed “Mongoose.” GM’s teaser video took shots ...

There seems to be some confusion surrounding exactly how the new 8.3L Duramax engine will fit into the HD truck lineup, so GM ...

There will be no choosing between two Duramax engines in the 2027 model year Silverado HD or Sierra HD, as per the order ...

The Cummins and Duramax engines have had been under the hood of many models. The question is, how long do they last? Here's ...

A big new diesel engine is just one of several notable improvements coming to 2027 Chevrolet and GMC heavy-duty pickups.

GM didn’t give all of its engineering attention to the new diesel engine. The gas 6.6-liter V-8 has been updated, as well.

In this case, more is more. GM built a powerhouse with its new heavy-duty pickup engine that makes 555 hp and best-in-class ...

GM almost revolutionized pickups in the late 2000s with a high-tech Duramax diesel. It was eventually canceled due to the recession, but part of it still lives on in the new 8.3-liter "Mongoose." ...

General Motors has confirmed the rumored 8.3L Duramax Turbo-Diesel V8 engine, code-named Mongoose, for the 2027 Chevy Silverado HD and 2027 GMC Sierra HD.

GM calls it the "Mongoose," and it promises to beat Ford's "Scorpion" 6.7-liter Power Stroke that makes 500 hp and 1,200 ...

If you like seeing impressive engine specs, look no further than GM's latest V8 Duramax, which seems to be aiming to leave the competition behind.

General Motors confirmed 1,230 pound-feet of twist from the Mongoose, specifically the 8.3-liter Duramax fitted to 2027 model year HD trucks ...