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The 2027 Chevrolet Corvette Grand Sport introduces an all-new naturally aspirated 6.7L LS6 V8 producing 535 hp and 520 lb-ft of torque. This engine replaces the previous 6.2L unit, adding displacement and a 100mm stroke for a more linear, high-revving character. This page covers every trim, key specs, and standard features, with current inventory at Greg Hubler Chevrolet.
The biggest change for 2027 is the engine. Chevrolet replaces the 6.2L V8 with a new 6.7L LS6 V8, a naturally aspirated pushrod unit built with a 100mm stroke and a 13.0:1 compression ratio. Output climbs to 535 hp and 520 lb-ft of torque, representing a meaningful step up from the outgoing Stingray-derived powerplant.
Alongside the new engine, the Grand Sport name returns as a standalone model rather than an option package. It slots between the Stingray and the Z06, offering a purpose-tuned suspension calibration (Grand Sport touring suspension with Magnetic Selective Ride Control), a performance ratio rear axle, and a standard performance exhaust, all without the Z06’s supercharged engine.
The 2027 model also introduces a Convertible body style in addition to the Coupe, both available across 1LT, 2LT, and 3LT trim levels. Standard 10-spoke Pearl Nickel forged-aluminum wheels (20-inch front, 21-inch rear) carry over from the C8 platform, and the Carbon Flash Exterior Badge Package is standard on every trim.
The 2027 Grand Sport comes in six configurations: Coupe 1LT, 2LT, and 3LT, and Convertible 1LT, 2LT, and 3LT.
Coupe 1LT is the entry point. It includes the 6.7L V8, 8-speed dual-clutch transmission, Magnetic Ride Control, standard Michelin Pilot Sport All Season 4 run-flat tires, a 12.7-inch infotainment system with Google Built-In, wireless Apple CarPlay and Android Auto, a Bose Premium 10-speaker system, 8-way power seats, dual-zone automatic climate control, keyless open and start, and the full suite of standard safety systems.
Coupe 2LT adds a meaningful set of comfort and technology upgrades. It brings heated and ventilated seats, a heated steering wheel, power lumbar and wing adjust, Head-Up Display, the Bose Performance Series 14-speaker audio system, HD Front and Rear Vision Cameras, Rear Cross Traffic Alert, Side Blind Zone Alert, Universal Home Remote, a Memory Driver and Passenger Convenience Package, Front Lift with Memory, power passenger seatback bolster, and the Performance Data Recorder. Auto-dimming power-folding mirrors with integrated turn signals also upgrade at this level.
Coupe 3LT adds a custom leather-wrapped instrument panel and doors, Sueded Microfiber-Wrapped Upper Interior Trim throughout the cabin, and the Competition Sport driver seat paired with a GT2 passenger seat, creating the most driver-focused interior in the lineup.
Convertible trims mirror the Coupe hierarchy across 1LT, 2LT, and 3LT, adding a power-retractable convertible hardtop as standard equipment. The Convertible curb weight is 3,619 lbs versus the Coupe’s 3,520 lbs, owing to the additional roof mechanism.
Convertible 2LT mirrors the Coupe 2LT equipment set while adding the power-retractable convertible hardtop as standard equipment. It includes heated and ventilated seats, Head-Up Display, the Bose Performance Series 14-speaker audio system, HD Front and Rear Vision Cameras, Rear Cross Traffic Alert, Side Blind Zone Alert, Front Lift with Memory, and the Performance Data Recorder.
Convertible 3LT mirrors the Coupe 3LT interior upgrades while adding open-air capability through the power-retractable convertible hardtop. It includes the custom leather-wrapped instrument panel and doors, Sueded Microfiber-Wrapped Upper Interior Trim, and the Competition Sport driver seat paired with a GT2 passenger seat.
Optional performance upgrades available across all trims include the Z52 Sport Performance Package, the Z52 Track Performance Package, Performance Brembo antilock brakes, and Performance Brembo carbon ceramic antilock brakes. Tire choices include optional Michelin Pilot Sport 4S and Michelin Pilot Sport Cup 2R summer-only run-flat sets.
| Spec | 2027 Corvette Grand Sport |
|---|---|
| Engine | Naturally aspirated 6.7L LS6 V8 |
| Horsepower | 535 hp |
| Torque | 520 lb-ft |
| Compression Ratio | 13.0:1 |
| Transmission | 8-speed dual-clutch automatic |
| Drivetrain | Rear-wheel drive |
| Fuel Tank | 18.5 gallons |
| Coupe Curb Weight | 3,520 lbs |
| Convertible Curb Weight | 3,619 lbs |
The 2027 Grand Sport is powered exclusively by the naturally aspirated 6.7L LS6 V8. With 535 hp, 520 lb-ft of torque, a 13.0:1 compression ratio, and a pushrod architecture that keeps the center of gravity low, this engine is built to deliver a mechanical feel that turbocharged alternatives cannot match.
Power routes through an 8-speed dual-clutch automatic transmission to the rear wheels. A performance ratio rear axle is standard on all trims, sharpening throttle response out of corners. The Magnetic Selective Ride Control suspension adapts continuously to road conditions, with the Grand Sport calibration tuned to balance track capability with everyday usability.
Standard Brembo touring antilock brakes handle deceleration duties, with optional upgraded Brembo calipers and optional carbon ceramic rotors available for buyers who plan to use the car on track. A standard performance exhaust system is fitted to every 2027 Grand Sport.
The 18.5-gallon fuel tank is shared across both body styles. EPA fuel economy figures are not yet available for the 2027 model year at the time of publication.
The 2027 Grand Sport is a two-passenger coupe or convertible with a cockpit-style interior built around the driver. Front head room measures 37.9 inches, front leg room reaches 42.8 inches, and shoulder room is 54.4 inches, numbers that give most drivers a comfortable all-day fit in a car that sits just 48.6 inches tall.
Trunk volume is 12.6 cubic feet, split between the rear hatch and the front storage compartment, which is practical for a weekend trip. The wheelbase is 107.0 inches, and overall length is 184.58 inches, making the Grand Sport roughly the same footprint as a compact sport sedan but far lower to the ground.
The 1LT interior uses a leather-wrapped steering wheel, carpeted floor mats, and 8-way power seats. Moving to 2LT adds heated and ventilated seats, power lumbar and wing adjustment, heated steering wheel, and the Memory Driver and Passenger Convenience Package. The 3LT wraps the instrument panel and doors in custom leather and covers upper interior surfaces in sueded microfiber, with a Competition Sport driver seat and GT2 passenger seat delivering the best lateral support in the lineup.
Every 2027 Grand Sport coupe and convertible comes standard with a 12.7-inch diagonal infotainment touchscreen running Google Built-In. Wireless Apple CarPlay and wireless Android Auto are standard, and 5G vehicle connectivity plus a Wi-Fi Hotspot are included on all trims. The system integrates curated drive modes and performance apps, and a lap analysis and track coaching tool operates without requiring a separate laptop or device.
The 1LT coupe receives a Bose Premium 10-speaker audio system. Moving to 2LT steps up to a Bose Performance Series 14-speaker system that fills the cabin with noticeably more output.
SiriusXM with 360L is standard across the lineup. OnStar Basics is included, with available OnStar One packages and MobileService+ plans for extended coverage. The Performance Data Recorder, which logs video and telemetry simultaneously, is available on 1LT and standard on 2LT and 3LT.
The Grand Sport carries a complete suite of standard safety systems. Forward Collision Alert, Automatic Emergency Braking, Intersection Automatic Emergency Braking, Front Pedestrian and Bicyclist Braking, Lane Keep Assist with Lane Departure Warning, Rear Park Assist, and Active Handling Stability Control are all standard on 1LT, 2LT, and 3LT.
The 1LT Coupe includes an HD Rear Vision Camera. Stepping to 2LT adds HD Front and Rear Vision Cameras, Rear Cross Traffic Alert, and Side Blind Zone Alert, expanding the driver’s awareness envelope at parking speeds and on the highway.
IntelliBeam automatic high beams and LED headlamps are standard across the lineup. The Teen Driver system is standard on all trims.
The bumper-to-bumper warranty covers 3 years or 36,000 miles. The powertrain warranty extends to 5 years or 60,000 miles. Roadside assistance runs 5 years or 60,000 miles. GM covers the first oil change within two years, and the first transmission canister filter replacement is covered at 7,500 miles.
The 2027 Grand Sport targets buyers who want a Corvette with more engine character and more track-ready hardware than the Stingray, without moving to the forced-induction Z06. The 6.7L naturally aspirated LS6 delivers that character through a wider torque band and a higher-displacement architecture that responds differently at the limit than the previous 6.2L.
Compared to the outgoing Stingray-based configuration, the Grand Sport gains the dedicated suspension tune, the performance ratio rear axle, and the new engine as standard items rather than options. Buyers who previously built a Stingray toward track use by adding the Z51 package will find the Grand Sport a more direct starting point.
For Camby-area shoppers and buyers from across central Indiana, the Grand Sport coupe and convertible are both orderable now through Greg Hubler Chevrolet.
Greg Hubler Chevrolet in Camby carries Corvette inventory in both Coupe and Convertible configurations. Whether you’re reserving a build or looking at in-stock units, the team can walk you through every trim, the available Z52 packages, and tire and brake upgrades that fit your driving style.
The 2027 Grand Sport uses a naturally aspirated 6.7L LS6 V8 producing 535 hp and 520 lb-ft of torque, paired with an 8-speed dual-clutch transmission and rear-wheel drive.
Six trims are available: Coupe 1LT, Coupe 2LT, Coupe 3LT, Convertible 1LT, Convertible 2LT, and Convertible 3LT. Each steps up in comfort, technology, and driver-assistance content.
The 1LT includes Magnetic Ride Control, standard Michelin Pilot Sport All Season 4 run-flat tires, a 12.7-inch Google Built-In infotainment system, wireless Apple CarPlay and Android Auto, a Bose Premium 10-speaker system, 8-way power seats, Forward Collision Alert, Automatic Emergency Braking, and Lane Keep Assist, among others.
Yes. A power-retractable convertible hardtop is standard on all three Convertible trims (1LT, 2LT, 3LT). The Convertible weighs 3,619 lbs versus the Coupe’s 3,520 lbs.
The Performance Data Recorder captures synchronized video and telemetry data from the car during a drive or track session. It is available on the 1LT and standard on the 2LT and 3LT. Lap analysis and track coaching functions require no separate laptop.
The bumper-to-bumper warranty is 3 years or 36,000 miles. The powertrain warranty is 5 years or 60,000 miles. Roadside assistance is covered for 5 years or 60,000 miles.
Yes. Standard Brembo touring antilock brakes are fitted to all trims. Optional upgraded Brembo performance antilock brakes and optional Brembo carbon ceramic antilock brakes are available across the entire lineup.
Contact the dealership to check current coupe and convertible availability or to place an order.
