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

GM confirms an all-new 8.3L Duramax turbo-diesel V8 for its refreshed 2027 heavy-duty pickups. Chevrolet Silverado HD and GMC Sierra HD will both be available with the new diesel engine. Horsepower, ...

General Motors is launching an all-new Duramax Turbo-Diesel engine, to debut in the 2027 Chevrolet Silverado HD and GMC Sierra HD pickups. The new engine was teased in a short teaser trailer published ...

General Motors is not walking away from gasoline engines-or the V8. The automaker has unveiled two sixth-generation Small Block V8s for the redesigned 2027 Chevrolet Silverado 1500 and GMC ...

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

The 2027 Sierra lineup covers the $51,295 Pro to the $87,895 Denali Ultimate with its standard 6.6-liter V8 We’ve known what was coming under the hood of the new GMC Sierra for a while. What we didn’t ...

Sierra's 2027 cabin marks a sharp tilt towards a technology identity, with over 60 inches of digital display on Denali Ultimate ...

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

General Motors Company (NYSE:GM) confirmed an 8.3-liter Duramax diesel for its refreshed 2027 heavy-duty pickups Monday.

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