GM has spent years watching Ford make the biggest torque number in the heavy-duty pickup segment. Its answer is more displacement. GM has teased an all-new Duramax 8.3L Turbo-Diesel V8, which it says ...

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

The battle for supremacy in the pickup market is perhaps America’s most fiercely contested automotive arena. The diesel heavy ...

The heavy-duty diesel wars have officially entered their wildlife phase. General Motors has confirmed an enormous new Duramax ...

GM has confirmed its all-new Mongoose 8.3L Duramax turbodiesel V8, but one very important question remains: how much power ...

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.

The 8.3L Duramax Mongoose is built to beat Ford and Ram, but $6.50-a-gallon diesel makes the timing brutal for buyers.

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 ...

GM unleashes the colossal 8.3L Duramax Mongoose V8 to take on Ford and RAM rivals.

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