2027 Corvette Grand Sport In-Depth Guide

Chevrolet revived one of Corvette’s most storied racing names at the 12 Hours of Sebring this year, and the new 2027 Grand Sport makes a strong case for being the sweet spot of the C8 lineup. Rather than chasing the Z06’s lap-time obsession, it borrows that car’s wide-body stance and pairs it with a brand-new naturally aspirated small-block built around displacement instead of turbos or hybrid hardware. The result is a Corvette aimed at drivers who want real V8 character without giving up everyday usability.

The formula sounds simple on paper, even if it’s harder to pull off in practice. Take the aggressive proportions that make the Z06 look so purposeful on the road, then build the powertrain around old-school mechanical feel rather than chasing lap times. Chevrolet is betting that broad torque, a planted wide-body chassis, and a livable daily character will make Grand Sport the volume leader of the Corvette range again, the same role it’s played in past generations. Here’s how the new car shapes up, and where it sits next to the rest of the C8 family.

A Name With Racing History

Grand Sport isn’t a marketing invention. It dates back to the early 1960s, when Chevrolet built five lightweight C2 race cars under the name, intended to take on Shelby’s Cobras at tracks like Sebring International Raceway. One of those five, driven by Roger Penske and Jim Hall, took a class win at Sebring in 1964, and the badge has carried that racing pedigree through every Corvette generation since. The fender hash marks that originally helped spotters tell the five race cars apart became a Grand Sport signature, appearing on the C4, C6, and C7.

Every road-going Grand Sport since has followed a similar pattern: pull hardware from the fastest car in that generation’s lineup and build a model that splits the difference between daily usability and outright performance. The eighth-generation car continues that approach, drawing on the mid-engine platform’s wide-body architecture and chassis hardware already proven on the Z06.

“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, at the Sebring reveal. “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 LS6 Naturally Aspirated Powertrain

At the center of the car sits a mid-mounted 6.7-liter LS6 V8, naturally aspirated and built as the first engine in General Motors’ next generation of small-block V8s. It moves away from the previous 6.2-liter design, favoring a 100mm stroke and 103.25mm bore, and runs a 13.0:1 compression ratio that sharpens throttle response across the board. A 95mm throttle body and a tunnel-ram intake with high-velocity ports move more air through the engine, while forged pistons and rods and revised exhaust manifolds are built to hold up under sustained high-load, high-temperature track use.

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

Output lands at 535 horsepower and 520 lb-ft of torque, tuned to feel immediate from the bottom of the rev range, with max engine speed capped at 6,600 rpm. There aren’t any official acceleration numbers yet. Chevrolet hasn’t released 0-60 mph, quarter-mile, or top-speed figures, and no independent outlet has tested a production car. The automaker’s own spec sheet simply lists performance as “to be announced at a later date,” so treat any numbers floating around online before that announcement as guesswork. Power gets to the rear wheels through a standard eight-speed dual-clutch transmission.

Chevrolet kept the standard Grand Sport free of electric motors or hybrid hardware on purpose, to preserve a lighter, more traditional sports car feel. None of it is flashy. It’s just well-built, and that’s kind of the point: there’s still no real substitute for displacement when it comes to how a car talks back to the driver.

The LS6 will be assembled at GM’s Flint Engine Operations in Flint, Michigan, which returns Corvette V8 production to the city where the first small-blocks were built in 1955. Chevrolet calls LS6 the start of the sixth generation of small-block V8s, a lineage now more than 70 years deep.

Grand Sport X: The All-Wheel-Drive Variant

Chevrolet also rolled out the Grand Sport X alongside the rear-drive car. It pairs the same LS6 V8 with a front electric motor and battery pack pulled from the Corvette ZR1X, pushing combined output to 721 horsepower. The front motor alone contributes 145 lb-ft of near-instant torque for eAWD traction off the line, drawing from a 1.9 kWh lithium-ion battery pack mounted low and centered in the chassis to preserve the platform’s mid-engine balance.

Drivers can pick between three power strategies on track. Endurance mode adjusts the battery’s energy storage for consistent eAWD output across a full tank of fuel. Qualifying mode optimizes for the single fastest lap. Push-to-Pass delivers maximum available power on demand. There are also electric-only Stealth and Shuttle modes for slipping around quietly with the V8 shut off entirely, useful for early-morning departures from residential neighborhoods or moving the car around a paddock without waking up the whole pit lane.

Grand Sport X comes standard with Magnetic Ride Control, carbon-ceramic brakes, and Michelin Pilot Sport All-Season 4 tires. An available Performance Package swaps in Michelin Pilot Sport 4S tires for sharper track manners and back-road precision. Base curb weight for the AWD car comes in at 3,800 lbs, roughly 280 lbs heavier than the standard Grand Sport, a function of the front motor, battery pack, and supporting electronics.

How It Stacks Against the Competition

Now that pricing is confirmed, the value case is easy to make. At $88,495, the Grand Sport sits well below naturally aspirated European rivals that offer less power and narrower bodies. Acceleration figures are still pending independent verification, but the horsepower and price numbers alone tell most of the story.

The Porsche comparison is the one that stings most for Stuttgart. The 911 GTS matches the Grand Sport almost exactly on paper in horsepower, yet commands a $60,000 premium. Chevrolet delivers the same output, a wider body, and a newer powertrain architecture at a price closer to the LC 500, which gives up 64 horsepower in exchange. Acceleration data will sharpen this picture once it arrives, but the numbers as they stand already make a strong argument.

RWD Dynamics & Real-World Handling

Putting 535 horsepower through a wide rear-wheel-drive chassis takes some careful calibration. Base curb weight comes in at 3,520 lbs, and since the standard car skips the front motor found on Grand Sport X and ZR1X, the nose stays light and eager to turn in. An electronic limited-slip differential and standard Magnetic Ride Control dampers handle the rest, reading road imperfections and adjusting damping in milliseconds. Standard suspension on the base car pairs Magnetic Ride Control with what Chevrolet calls a Touring Suspension, designed for the kind of long-distance comfort that lets a Grand Sport cross the country as comfortably as it carves a back road.

Standard tires are Michelin Pilot Sport All Season 4s, 275/30ZR20 up front and 345/25ZR21 out back. Step up to the Z52 Sport Performance Package and you get Michelin Pilot Sport 4S summer rubber along with J56 brakes borrowed directly from the Corvette Z06, plus a stiffer, performance-tuned suspension calibration. Go further still with the Z52 Track Performance Package, and carbon-ceramic J57 brakes pair with Michelin Pilot Sport Cup 2R track-only tires, a carbon-fiber aero package, and track-specific chassis tuning, making it the most track-capable Grand Sport Chevrolet has built to date. The Track package also unlocks a quad center-exit exhaust, the first time a center-exit setup has been offered on a pushrod V8 in the C8’s history. A new low-dust brake package on the standard car is also tuned for a corrosion-resistant appearance, a small detail aimed at owners who care how their wheels look after a season of driving.

Exterior & Heritage Design

Grand Sport wears the same wider body as the Z06 and E-Ray. The historic fender hash marks, a Grand Sport signature since the C4, have moved to the rear of the car for the first time on this generation, a nod to the V8 sitting behind the cockpit rather than under a hood up front. Admiral Blue Metallic paint, revived from the C4 era, pairs with a white center stripe and red hash marks for the classic look, and Chevrolet offers the stripe and hash-mark combination in what it describes as hundreds of color combinations, letting individual owners build their own track-inspired livery.

A new Pitch Gray Metallic color joins Admiral Blue across the entire 2027 Corvette lineup, not just Grand Sport. Wheel options include 10-spoke forged aluminum wheels in four finishes: Pearl Nickel, Gloss Black, Carbon Flash with bright polished surfaces, and High Polished. Buyers chasing lighter unsprung weight can step up to five-spoke carbon-fiber wheels, offered visible, painted in Carbon Flash, or visible with a red stripe.

The 2027 Grand Sport lineup also introduces a Launch Edition interior built to feel close to one-of-one for each owner. Launch Edition cars get a Santorini Blue-dipped cabin where nearly every surface carries the Santorini finish with red stitching and accents, headrests embossed with the Grand Sport’s exterior plan-view outline (echoed in the floor mats), and a leather-wrapped instrument hood with red detailing that lines up with the steering wheel’s center mark. A Launch Edition waterfall speaker plaque and a Grand Sport steering wheel badge round out the package, available across multiple exterior colors. Buyers who skip the Launch Edition can instead choose a new Asymmetrical Santorini Blue and Jet Black interior, which joins the Asymmetrical Adrenaline Red and Jet Black scheme introduced for the 2026 model year.

Suspension, Tires & Brakes

Short and long arm double-wishbone suspension handles all four corners, built around forged aluminum upper and cast aluminum lower control arms, the same basic layout shared across the C8 family. Standard brakes are eBoost-assisted discs with six-piston Brembo monobloc calipers up front and four-piston units at the rear, sized at 14.6 inches front and 15.0 inches rear. The Z52 Track Performance Package swaps in larger carbon-ceramic rotors, 15.7 inches front and 15.4 inches rear, built to resist fade over long track sessions. Steering uses a variable-ratio rack-and-pinion setup with electric power assist and a 15.7:1 ratio, giving the car a 38-foot turning circle.

Interior & Tech

The cabin sticks with the driver-focused layout C8 owners already know, organized around a cockpit that puts every primary control within reach of the driver’s seat. Beyond the Launch Edition and Asymmetrical interior options, the broader cabin architecture carries over the digital gauge cluster and central touchscreen layout established across the rest of the Corvette range, with materials and trim level shifting based on how a buyer configures the car.

Production & Availability

At $88,495 including destination, the 2027 Grand Sport lands exactly where it needs to: above the Stingray, well below the Z06, and competitive with European rivals that cost significantly more for similar or lesser output. Orders open April 16, with production starting this summer at GM’s Bowling Green Assembly plant in Kentucky.

The Track Performance Package is the one worth lingering on. At $109,190 it includes Z06-style carbon aero, carbon-ceramic brakes, a quad center-exit exhaust, and Michelin Pilot Sport Cup 2R tires, yet it still undercuts the base Z06 by more than $10,000. The Grand Sport X, replacing the outgoing E-Ray, arrives at nearly the same price as its predecessor while packing substantially more power thanks to the new LS6. For broader context, the 2027 ZR1 jumped $8,705 in price and the ZR1X climbed $15,200. The Grand Sport held its line.

One thing to keep in mind: as an inaugural model year, dealer markups are likely in the early months. Buyers who can afford to wait for inventory to normalize will probably be better positioned.

Grand Sport vs. Stingray

For 2027, Stingray gets the LS6 6.7L V8 too, so it’s no longer running a separate, lower-output 6.2L engine like in prior years. What actually separates the two cars now is body width and chassis tuning rather than horsepower. Grand Sport carries the wider Z06-style stance and its own suspension calibration, while Stingray stays the more accessible entry point, picking up Z51 Performance Package updates like the shorter final drive ratio and the new Pilot Sport 5S tire. Buyers cross-shopping the two are really choosing between body width and visual presence rather than raw output, since both cars share the same 535-hp LS6 under the rear hatch.

Both cars share the exact same powertrain for 2027, which is the headline change from prior model years. What separates them now comes down to body width, chassis tuning, and which performance package sits on top, rather than any gap in horsepower or torque.

Why the Grand Sport Stands Out

• The most powerful naturally aspirated small-block V8 ever offered in a production Corvette
• A direct link to the original 1963 C2 race cars, down to the relocated fender hash marks
• A wide-body stance shared with the Z06 and E-Ray, now available with hundreds of stripe and hash-mark combinations
• An available Z52 Track Performance Package with carbon-ceramic brakes and a quad center-exit exhaust
• An all-wheel-drive Grand Sport X variant offering 721 combined horsepower and track-tunable power strategies
• A Launch Edition interior built to feel like a one-of-one configuration for each buyer

Final Thoughts

The 2027 Corvette Grand Sport leans hard into mechanical feel over spec-sheet bragging rights. Pairing a big, characterful 6.7-liter V8 with a wider chassis gives Chevrolet a car that honors the Grand Sport name’s racing roots while still pushing naturally aspirated performance forward. Acceleration figures and pricing are both still pending, so for now the spec sheet does the talking: more displacement, more torque, and a clearer sense of purpose for the Corvette lineup’s volume models. Combined with a Grand Sport X variant that adds all-wheel traction and 721 horsepower to the mix, Chevrolet has built a Grand Sport range broad enough to cover everything from a daily commute to a serious track day, without losing sight of the badge’s racing roots at Sebring more than six decades ago.

Chevrolet Corvette Grand Sport Specifications

ENGINE

Type:	Next-Generation LS6 6.7L V8
Bore & stroke (in. / mm):	103.25mm / 100mm
Block Material:	Aluminum block with cast-in iron cylinder liners (Gen 6 Small Block architecture)
Oiling System:	High-capacity, performance-focused lubrication system with continuously variable oil pump
Oil Type:	Dexos-approved synthetic (Viscosity grade TBD)
Cylinder Head Material:	Aluminum
Combustion Chamber Volume:	59.92 cc
Compression Ratio:	13.0:1 (Highest ever for a production Corvette V8)
Valvetrain:	Cam-in-block, overhead valve (OHV) pushrod design with 2 valves per cylinder
Valve Size (in. / mm):	TBD
Fuel Delivery:	Direct and Port Injection with Active Fuel Management
Firing Order:	TBD (GM Gen 6 Small Block standard)
Throttle Body:	95 mm single throttle body (an upgrade from the 87 mm unit used on the previous 6.2L LT2)
Charging	N/A
Exhaust	Corner-exit dual exhaust (Standard); Quad-center-exit exhaust (Available / Standard with Z52 Track Package)
ECU:	TBD
Horsepower (hp / kW):	535 hp @ 6,600 rpm
Torque (lb.-ft. / Nm):	520 lb-ft

TRANSMISSION & AXLE

Type:

Type: 8-speed dual-clutch transmission (DCT)

CHASSIS & SUSPENSION

Front Suspension:	Short/long arm (SLA) double wishbone, forged aluminum upper and cast aluminum lower control arms; Magnetic Selective Ride Control 4.0; Touring suspension calibration
Rear Suspension:	Short/long arm (SLA) double wishbone, forged aluminum upper and cast aluminum lower control arms; direct-acting stabilizer bar; Magnetic Selective Ride Control 4.0
Steering Type:	Variable-ratio rack-and-pinion with electric power assist
Steering ratio:	15.7:1
Turning Circle (ft. / m):	38.0 / 11.6
Brake Type:	Front and rear eBoost-assisted Brembo discs (Low-dust/corrosion-resistant iron standard; J57 Carbon Ceramic available)
Brake Rotor Size (in. / mm):	Front: 14.6 x 1.3 Rear: 15.0 x 1.3
Wheel Size:	Front: 20-inch x 10-inch forged aluminum (10-spoke) Rear: 21-inch x 13-inch forged aluminum (10-spoke)
Tire Size:	Front: 275/30ZR20 Michelin Pilot Sport All Season 4+ ZP (Standard) Rear: 345/25ZR21 Michelin Pilot Sport All Season 4+ ZP (Standard)

EXTERIOR DIMENSIONS

Wheelbase (in. / mm):	107.2 / 2722
Overall Length (in. / mm):	184.6 / 4688 (185.9 / 4722 with available Carbon Aero package)
Overall Width without mirrors (in. / mm):	79.7 / 2025 (Z06-derived widebody architecture, without mirrors)
Overall Height (in. / mm):	48.6 / 1234
Track (in. / mm):	Front: 66.3 / 1685 Rear: 66.1 / 1678

INTERIOR DIMENSIONS

Headroom (in. / mm):	37.9 / 963
Legroom (in. / mm):	42.8 / 1087
Shoulder Room (in. / mm):	54.4 / 1382
Hip Room (in. / mm):	52 / 1321

WEIGHTS & CAPACITIES

Dry Weight (lb. / kg):	3,619 lbs 13.0 / 368 (Combined front and rear trunks)
Cargo Volume (cu. ft. / L)1:	9.1 / 258

Cargo and load capacity limited by weight and distribution.

FUEL TANK CAPACITY (approx.)

18.5 gal. / 70 liters