General Motors appears ready to make one of its most consequential Silverado HD and Sierra HD changes beneath the sheet metal ...

For the 2027 model year, the Chevy Silverado HD and GMC Sierra HD are reportedly getting new gasoline and diesel engines.

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 ...

GM's heavy-duty truck lineup is allegedly preparing for two V8 engines that will replace the outgoing L8T and L5P for model year 2027 ...

General Motors once stated, on the record, that every prototype of its 4.5L Duramax V8 diesel had been destroyed. That claim just got a lot harder to defend. A surviving unit has surfaced in Sweden, ...

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 ...

The 2027 Chevy Silverado HD and 2027 GMC Sierra HD pickups are set to offer an updated gasoline engine and an updated diesel ...

General Motors and heavy-duty trucks go a long way back. For the time being, the Chevrolet Silverado HD and its GMC-branded twin do the heavy lifting for the Detroit-based automaker. The Silverado HD ...

GM's 2027 Ford Super Duty rivals - the Chevy Silverado HD and GMC Sierra HD - will get updated gas and diesel powered engines ...

If you are new to the world of turbodiesel truck engines, there can be a whole lot to learn. Whether it's a Cummins, a Powerstroke, or a Duramax, these engines by and large stand as their own families ...

Four diesel engines are still sold new in America for 2026. The most reliable diesel engines ranked by recalls, service bulletins and what each manufacturer actually repaired.