Answering Your Questions on the 2027 Corvette Grand Sport

Daily Car

16/03/2026

Recent reports from within General Motors suggest significant changes are coming to the Corvette lineup. The focus is on the 2027 Grand Sport model, a nameplate known for bridging the gap between the base Stingray and the track-focused Z06. Here are the answers to the key questions surrounding these developments.

What is the main rumor about the new Grand Sport?

The most significant news is the potential for two distinct Grand Sport versions. The first would follow the traditional formula of combining the base car's engine with the high-performance model's chassis. However, a second, more powerful variant, possibly named the "Grand Sport X," is also rumored. This suggests Chevrolet is expanding the Grand Sport's role in the Corvette family.

What engine will the 2027 Grand Sport use?

The standard Grand Sport is expected to feature a new 6.7-liter LS6 V-8 engine. This engine is a "cross-plane" design, which produces the classic American V8 rumble familiar to most enthusiasts. It is projected to produce between 530 and 550 horsepower, a notable increase from the current 495 horsepower LT2 engine. This new engine would also become standard in the base Stingray, while the Z06 retains its specialized "flat-plane" engine.

How will the Grand Sport differ from a standard Stingray?

The Grand Sport has always been about handling and track capability. It achieves this by borrowing high-performance parts from the Z06 model. For 2027, this is expected to include a stiffer suspension for better cornering, lighter wheels with stickier tires for more grip, aerodynamic additions for stability at speed, and an enhanced cooling system to handle track use. It offers Z06-level precision without the Z06's specialized high-revving engine.

What is the rumored hybrid "Grand Sport X"?

The "Grand Sport X" is rumored to be a hybrid, all-wheel-drive model. It would combine the new 6.7-liter V8 with a front-axle electric motor. This setup provides two key advantages: all-wheel-drive traction for better launches and stability, and a major power increase. The electric motor could add up to 180 horsepower, pushing the car's total output to a reported 720 horsepower, placing it firmly in supercar territory.

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