GM’s new 8.3L Duramax Mongoose is coming for 2027. Here are five things we know about the massive diesel V8—and five we still don’t.

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

GM's new 8.3-liter Duramax Mongoose targets Ford's Power Stroke and Ram's Cummins, but record diesel prices could hurt 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 ...

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

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

GM has confirmed that it will debut a new, Ford Super Duty hunting 8.3L version of the Duramax diesel dubbed the 'Megamax' in its 2027 model year HD pickups.

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 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.

A larger 34-gallon tank enables the truck to drive further than your bladder can hold it on a long road trip.

Duramax engines are known for being reliable, but even they need regular engine oil changes to stay at their best. Here's how ...

Multi-year agreement launches newly titled DuraMAX Grand Prix at the Circuit of The Americas in Austin, Texas. Tickets available now at www.NASCARatCOTA.com. for Feb. 27-March 1 NASCAR doubleheader ...