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

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

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

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

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

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 lb-ft of torque.

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

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

Detroit's heavy-duty truck segment has a new displacement champ. General Motors teased an 8.3-liter mammoth of a turbo diesel V8 by means of a short video that stars a mongoose and a scorpion. To be ...

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 ...

General Motors teases its new 8.3-liter Duramax V8 turbo-diesel engine. It’s called the Mongoose, a name that aims at Ford’s “Scorpion” 6.7-liter Power Stroke diesel V8. GM has not released specs, but ...