Following last week’s promotion of the new V8s that will replace some of the brand’s more contentious powertrains, General ...

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

General Motors is continuing its full-scale truck overhaul, dropping a teaser for the engine set to power its upcoming heavy-duty pickup lineup: a massive 8.3-liter Duramax turbodiesel V8 nicknamed ...

It doesn’t sound as cool as “Megamax,” but the General has a good reason for the moniker.

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.

General Motors is about to reveal a new 8.3-liter turbodiesel V8 engine called Mongoose, and the name and accompanying teaser ...

The largest among the Big Three in Detroit has released teaser footage of the much-awaited Megamax, which is actually codenamed Mongoose ...

The 2027 Silverado HD and Sierra HD are getting an enormous new 8.3-liter Duramax turbodiesel V8 nicknamed Mongoose ...

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 ...

New diesel V8 will be GM's biggest passenger vehicle engine ever, just as diesel fuel prices soar to excessively high record prices.

GM is giving heavy-duty truck buyers an early look at its next diesel engine. The automaker released a Mongoose teaser video for the new 8.3-liter Duramax turbo-diesel V8 headed to the refreshed 2027 ...