Chevrolet Unveils 2027 Corvette Grand Sport and Hybrid X

Chevrolet has unveiled the 2027 Corvette Grand Sport and a hybrid variant called the Grand Sport X, introducing a new 6.7-liter LS6 V8 engine to the iconic sports car's lineup and marking the end of the E-Ray model. The announcements, made as part of updates to the C8-generation Corvette, position the Grand Sport between the base Stingray and higher-performance models like the Z06, with production slated to begin in mid-2026 at the Bowling Green Assembly Plant in Kentucky.

The new LS6 V8, the largest-displacement engine in the current C8 era at 409 cubic inches, delivers 535 horsepower and 520 pound-feet of torque in its naturally aspirated form, surpassing the outgoing 6.2-liter LT2 V8's output of 495 horsepower and 470 pound-feet. Engineers achieved these gains through a higher 13.01 compression ratio, forged pistons and connecting rods, a larger 95-millimeter throttle body, a tunnel-ram intake system, and dual direct and port fuel injection. The engine also features revised exhaust manifolds for improved torque delivery and an electronic control unit that processes data 44 times faster than previous versions. Power routes to the rear wheels via an eight-speed dual-clutch...