Specs for the new 8.3L Duramax, aka Mongoose, are impressive, making over 1,200 lb-ft of torque. However, it looks as though ...

GM has answered the heavy-duty diesel horsepower race with the most American fix available: more displacement. The 2027 ...

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 ...

Given the fact that GM's new Mongoose diesel V8 makes more power than the Ford Super Duty's 6.7L V8 Power Stroke, should The ...

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 ...

The all-new V-8 powers the 2027 Chevy Silverado HD and GMC Sierra HD, with maximum towing capacity climbing to 38,000 pounds.

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

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

The Ford Super Duty Power Stroke diesel has officially been outgunned by the new 8.3L 'Mongoose' Duramax V8 in the 2027 Chevy ...

The 2027 Chevrolet Silverado HD and GMC Sierra HD trucks may look the same as the last model year, but they sure won't drive the same as before. On Thursday, General Motors revealed a clean-sheet, ...

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