GM announced the Duramax 8.3L turbo-diesel V8 on September 24, 2026, and it goes into the 2027 Chevrolet Silverado HD and GMC ...

Instead of chasing Ford back into the power fight, GM decided to go a different route with its new diesel engine.

New GM light-duty engines include a 481-hp V8 and a Duramax diesel with 900+ miles of estimated highway range.

Detroit's heavy-duty truck race just got a new peak torque champ, and its name is Mongoose. A leviathan of a diesel engine, said 8.3-liter mill is a turbocharged V8 destined for the 2027 Chevrolet ...

Offering 555 horsepower and 1,230 pound-feet, the 8.3-liter Mongoose carries an $11,400 premium over the base naturally ...

General Motors recently announced specs for the new 8.3L Duramax V8 L6P turbodiesel headed for the engine bays of the 2027 Chevy Silverado HD and 2027 GMC Sierra HD, delivering a major increase in ...

As GM Authority exclusively covered last week, the 2027 Chevy Silverado HD and 2027 GMC Sierra HD will introduce two new engines, including a new gasoline powerplant and a new Duramax diesel. The ...

General Motors launched the first 6.6L Duramax V8, known among diesel engine enthusiasts as the LB7, in 2001 for its heavy-duty pickup trucks. The LB7 Duramax engine design resulted from a ...

General Motors has been using Duramax diesel engines in certain workhorse models for nearly a quarter century. The 6.6-liter V8 version which powers Chevy Silverado 2500/3500HD and GMC Sierra Heavy ...