GM Authority is taking a closer look at the new naturally aspirated 6.7L V8 LS6 equipped by the 2027 Corvette Grand Sport, ...

The new 6.7-liter LS6 makes 535 horsepower and 520 pound-feet of torque, setting a new bar for the base Corvette Stingray.

The newest generation of the General's eight-cylinder powerplants makes a triumphant debut in the Corvette Grand Sport.

Small-block V8 engines may not be as brawny or powerful as their big-block counterparts, but they completely revolutionized the car industry. However, since the V8 became a staple American power mill, ...

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 ...

The U.S. is known as the land of excess for many reasons. Take the automotive landscape, for example. You have big SUVs and even bigger engines. However, there was a time when engines in American cars ...

COLUMBUS, Indiana—To comply with 2027 emissions regulations, new powertrains must make performance compromises. Despite the added weight and backpressure of a larger aftertreatment system, Cummins' ...