Corvette Grand Sport to Share LS6 6.7L V8 with Sting Ray

Ken Zino of AutoInformed.com on Corvette Grand Sport to Share LS6 6.7L V8 with Sting Ray

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Chevrolet (NYSE: GM) said today that the 2027 model-year Corvette Grand Sport, and the all-wheel-drive hybrid Grand Sport X will debut this fall with a naturally aspirated new 6.7-liter V8 engine. This is the latest version of GM’s small-block V8 engine. [read AutoInformed.com on: Chevy Teases 2027 Corvette Grand Sport at Sebring]*

“Grand Sport has always been the Corvette for drivers who want the spirit of a race car in a package they can enjoy every day,” said Scott Bell, vice president of Global Chevrolet. “With the new Grand Sport and Grand Sport X, we’ve taken that formula into the mid-engine era, pairing a heritage-rich design with the most advanced Corvette technologies we’ve ever offered. The Grand Sport model has historically acted as a high-volume player in the Corvette lineup. We expect the Stingray and Grand Sport lineup combined to account for the vast majority of Corvette sales.”

Ken Zino of AutoInformed.com on Corvette Grand Sport to Share LS6 6.7L V8 with Sting Ray

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The 2027 Corvette Grand Sport and Grand Sport X will use the next-generation LS6 6.7L V8, which now becomes Corvette’s primary engine, powering the 2027 Stingray as well. Rated by Chevrolet at 535 horsepower and 520 lb.-ft. of torque, “this naturally aspirated engine sees increases in power and torque across the rev band compared to its predecessor. A larger 6.7L (409 cu in) displacement and 13.0:1 compression ratio improve response. The 95-mm throttle body and tunnel ram intake with high-velocity ports move more air to provide additional power. A new lubrication system, forged pistons and rods, and revised exhaust manifolds ensure durability in extended high-load, high-temperature environments,” Chevrolet said in a release. An eight-speed dual-clutch transmission routs power to the wheels.

Ken Zino of AutoInformed.com on Corvette Grand Sport to Share LS6 6.7L V8 with Sting Ray

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The 2027 Grand Sport lineup will have a Launch Edition interior that is said “to feel like a one-of-one option for each owner. Launch Edition cars will receive a Santorini Blue-Dipped interior, where nearly every surface is Santorini with red stitching and accents. Headrests are embossed with a unique Grand Sport exterior plan view outline, also seen stitched into floor mats. The leather-wrapped hood over the driver information center receives special red accents down the center, lining up with the center mark on the steering wheel. Launch Edition, waterfall speaker plaque, and a Grand Sport steering wheel badge complete the package, which is available with multiple exterior colors.”

Grand Sport X’s high-voltage battery is low and centered in the car to preserve the agility of the mid-engine platform. The addition of a front motor is a performance enabler: Grand Sport X jumps from a stand-still with near-instant access to 145 lb.-ft. of torque on the front axle. An intelligent controls system, “combines the agility typical of a rear-wheel drive car with the corner-exiting traction only all-wheel drive can provide.”

GM’s Flint Engine Operations in Flint, Michigan will assemble the LS6 with US and globally sourced parts, reverting production to the city where the first Corvette V8s were built in 1955. Chevrolet’s capacity for advancing V8 technology has come with time and experience. LS6 represents the start of the sixth generation of Small Block V8s, extending a legacy more than 70 years in the making.

“There is no replacement for displacement! Our next generation LS6 engine pushes 409 cubic inches of jackhammer fury through the tailpipes,” said Mike Kociba, assistant chief engineer, Next Generation V8. “Combining large displacement, modern technology, and proven Small Block V8 heritage will deliver a bold new chapter in performance.”

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About Ken Zino

Ken Zino, editor and publisher of AutoInformed, is a versatile auto industry participant with global experience spanning decades in print and broadcast journalism, as well as social media. He has automobile testing, marketing, public relations and communications experience. He is past president of The International Motor Press Assn, the Detroit Press Club, founding member and first President of the Automotive Press Assn. He is a member of APA, IMPA and the Midwest Automotive Press Assn. He also brings an historical perspective while citing their contemporary relevance of the work of legendary auto writers such as Ken Purdy, Jim Dunne or Jerry Flint, or writers such as Red Smith, Mark Twain, Thomas Jefferson – all to bring perspective to a chaotic automotive universe. Above all, decades after he first drove a car, Zino still revels in the sound of the exhaust as the throttle is blipped during a downshift and the driver’s rush that occurs when the entry, apex and exit points of a turn are smoothly and swiftly crossed. It’s the beginning of a perfect lap. AutoInformed has an editorial philosophy that loves transportation machines of all kinds while promoting critical thinking about the future use of cars and trucks. Zino builds AutoInformed from his background in automotive journalism starting at Hearst Publishing in New York City on Motor and MotorTech Magazines and car testing where he reviewed hundreds of vehicles in his decade-long stint as the Detroit Bureau Chief of Road & Track magazine. Zino has also worked in Europe, and Asia – now the largest automotive market in the world with China at its center.
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