The track-focused 2027 Chevrolet Corvette Grand Sport has been revealed with a brand new 6.7-litre LS6 V8 – the largest-displacement engine for use within the present C8 era – alongside the Grand Sport X hybrid, which replaces the E-Ray.
As reported in December, when the bigger engine was noticed in a Common Motors elements catalogue, the Corvette Grand Sport will debut the sixth-generation aluminium V8 in a manufacturing mannequin.
Manufacturing is ready to start out mid-2026 within the US, with the brand new engine additionally changing the 6.2-litre LT2 V8 utilized in present variations of the Corvette Stingray bought right here, changing into the ‘main’ engine for the enduring sports activities automobile.
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“Presently, we have now no bulletins to make on future fashions for the ANZ area,” stated a GM Australia spokesperson.
“The Grand Sport mannequin has traditionally acted as a high-volume participant within the Corvette lineup,” stated Scott Bell, vp of World Chevrolet, in an announcement.
“We anticipate the Stingray and Grand Sport lineup mixed to account for the overwhelming majority of Corvette gross sales.”
GM’s announcement touted the Grand Sport as “a real driver’s Corvette”, with its naturally aspirated V8 and rear-wheel drive.
The brand new 6.7-litre (409 cubic-inch or 6702cc) LS6 V8 produces 393kW and 705Nm – essentially the most torque of any naturally aspirated Corvette V8 but – out-punching the 369kW and 637Nm from the present 6.2-litre within the Stingray.
Key technical highlights of the LS6 embody a 13.0:1 compression ratio – the very best of any Corvette – a bigger 95mm throttle physique, a tunnel-ram consumption with high-velocity ports, direct and port gas injection, in addition to solid pistons and conrods.
There’s additionally a redesigned exhaust manifold, whereas an non-compulsory centre exhaust outlet is accessible for the primary time in a pushrod V8-powered C8 Corvette.
The LS6’s output – managed by an digital management unit (ECU) stated to be 44 instances quicker – is distributed to the rear wheels by means of an eight-speed dual-clutch automated transmission.
Chevrolet says the adjustments additionally carry a extra linear torque curve for smoother energy supply and improved throttle response.
“There isn’t any alternative for displacement! Our subsequent era LS6 engine pushes 409 cubic inches of jackhammer fury by means of the tailpipes,” stated Mike Kociba, assistant chief engineer, Subsequent Technology V8, in an announcement.
“Combining massive displacement, fashionable know-how, and confirmed small block V8 heritage will ship a daring new chapter in efficiency.”
With a basic striped livery paying homage to earlier Grand Sport fashions, and accessible in a spread of colors, the Grand Sport rides on Pearl Nickel 20-inch entrance and 21-inch rear alloy wheels wrapped in Michelin Pilot Sport All Season 4 tyres.
Magnetic Journey Management (MRC) magnetorheological dampers and Touring suspension are customary, whereas an non-compulsory Z52 Efficiency Bundle brings a stiffer tune and upgraded ‘J56’ brakes from the Corvette Z06.
The Z52 Observe Efficiency Bundle goes additional, including carbon-ceramic ‘J57’ brakes, Michelin Pilot Sport Cup 2R tyres and track-focused chassis tuning, together with a carbon-fibre splitter, dive planes, facet skirts, rear wing and underbody strakes.
The Grand Sport X replaces the Corvette E-Ray already on sale in Australia, with the ‘X’ denoting all-wheel drive.
It produces much more energy than the E-Ray, pairing a front-axle electrical motor with the brand new 6.7-litre V8 for a mixed 538kW, up from the E-Ray’s 488kW. The hybrid supercar additionally options customary carbon-ceramic brakes.
The Grand Sport lineup for 2027 will embody a limited-run launch version, with a Santorini Blue-Dipped inside remedy, customized stitching and embossed headrests with a top-down view of the Grand Sport, amongst different particulars.
Along with the brand new V8, the entry-level Stingray will profit from retuned MRC, whereas the non-compulsory Z51 Efficiency Bundle brings a shorter 5.56 ultimate drive, new Michelin Pilot Sport S 5 tyres and revised aerodynamic bodywork. A centre exhaust shall be accessible on the Stingray for the primary time.
The present C8 Corvette entered manufacturing in 2020, initially solely in Stingray guise. In typical Corvette style, the lineup has been progressively fleshed out.
First got here the Z06 with its naturally aspirated 5.5-litre flat-plane crank double overhead cam V8, adopted by the 6.2-litre all-wheel drive V8 hybrid E-Ray, and the ZR1 which makes use of a twin-turbo model of the Z06’s V8.
Lastly, the ZR1X – the primary time this identify has been used – takes the ZR1’s powertrain however provides an electrical motor and all-wheel drive system just like the E-Ray for a complete system output of 932kW, essentially the most energy but of any Corvette.
Solely the Stingray, Z06 and E-Ray are at present provided in Australia. They’re all in-built right-hand drive on the identical Bowling Inexperienced, Kentucky plant within the US that produces left-hand drive Corvettes.
