Summary
How To Bring the Grand Sport Back To Life
There are many ways Chevrolet could have brought the Corvette Grand Sport name back for 2027. They could have simply put some Grand Sport badges on the C8, added some wider bodywork, upgraded the suspension, and called it a day. Honestly, nobody would have been too surprised if that was the formula.
But that would have been too easy.
But that would have been too easy.
Instead, Chevrolet took one of the most respected names in Corvette history and gave it something that none of the previous Grand Sports ever had — an electric motor driving the front wheels. The result is the 2027 Corvette Grand Sport X, and if you thought the Grand Sport was always supposed to be the Corvette sitting in that sweet spot between everyday Corvette and full-blown track monster, well, that's exactly what Chevrolet did again.
This isn't just another Corvette with a bigger number on the horsepower chart. The Grand Sport X has a 535-horsepower naturally aspirated 6.7-liter V8 with an electric front-axle motor producing 186 horsepower for a combined all-wheel-drive setup horsepower rating of 721 ponies. An 8-speed dual-clutch transmission takes care of shifting, and the Vette has a launch-controlled 0-60 time of only 2.4 seconds. Chevrolet says it can cover the quarter-mile in 10.4 seconds at 131 mph.
That's serious business.
Like in the past, Grand Sport isn't trying to be the Corvette ZR1. It doesn't need to. The Grand Sport has always had a different job, and that job is taking everything that makes the standard Corvette great and adding the things necessary to make it much more capable when the road gets serious.
The Grand Sport Formula Has Always Been Different
If you have followed gmpowerhouses.com for a while, you may remember my earlier look at the 1996 Corvette Grand Sport: Throw Back to the '63 Corvette Grand Sport. Back then, Chevrolet was trying to give the fourth-generation Corvette something special before the C4 disappeared. The 1996 Grand Sport received the LT4 V8, which produced 330 horsepower, along with wider tires and other performance upgrades.
Chevrolet built only 1,000 of them, and the Admiral Blue paint, white center stripe, and red hash marks made sure nobody would mistake it for an ordinary Corvette.
That Grand Sport was special because Chevrolet didn't simply try to make it the most powerful Corvette. It made it different. And that's really the secret behind the Grand Sport name.
Go all the way back to 1963, and the story stays the same. Zora Arkus-Duntov wanted a lightweight Corvette that could go racing against some of the best sports cars in the world—not the fastest Corvette in the lineup, but the most capable. The original plan called for 125 cars to be built, but only five original 1963 Corvette Grand Sports were completed before the program was shut down.
Those five cars have since become some of the most valuable and recognizable Corvettes ever built.
I recently wrote about just how crazy the market has become for these original cars and how you could own A '63 Corvette Grand Sport Without Paying Millions by cloning one.
Go all the way back to 1963, and the story stays the same. Zora Arkus-Duntov wanted a lightweight Corvette that could go racing against some of the best sports cars in the world—not the fastest Corvette in the lineup, but the most capable. The original plan called for 125 cars to be built, but only five original 1963 Corvette Grand Sports were completed before the program was shut down.
Those five cars have since become some of the most valuable and recognizable Corvettes ever built.
I recently wrote about just how crazy the market has become for these original cars and how you could own A '63 Corvette Grand Sport Without Paying Millions by cloning one.
Obviously, Chevrolet isn't trying to duplicate a 1963 race car in 2027. But the philosophy is still there. Build a Corvette that isn't satisfied with simply being fast. Build one that is engineered to be better everywhere that matters.
That's what the Grand Sport has always been about.
The LS6 Is The Heart Of This Corvette
One of the things I really like about this new Corvette is that Chevrolet didn't abandon the naturally aspirated V8. In a world where manufacturers are adding turbos, electric motors, and increasingly complicated powertrains, there is still something special about a big naturally aspirated Corvette V8.
The LS6 is a 6.7-liter V8 with a 100mm stroke and a 13.0:1 compression ratio. That 13.0:1 compression ratio is the highest ever used in a Corvette V8, and the engine also uses a continuously variable oil pump designed to maintain the proper oil pressure across different operating conditions.
Then there is the transmission. The Grand Sport X gets an 8-speed dual-clutch transmission, and that combination is important because the Grand Sport X isn't supposed to feel like a V8 with an electric motor attached to it. The engine, transmission, and electric front axle are all working together. The result is one powertrain that makes it feel like a true American muscle car, not a small, snobby, gas-saving hybrid.
The LS6 is a 6.7-liter V8 with a 100mm stroke and a 13.0:1 compression ratio. That 13.0:1 compression ratio is the highest ever used in a Corvette V8, and the engine also uses a continuously variable oil pump designed to maintain the proper oil pressure across different operating conditions.
Then there is the transmission. The Grand Sport X gets an 8-speed dual-clutch transmission, and that combination is important because the Grand Sport X isn't supposed to feel like a V8 with an electric motor attached to it. The engine, transmission, and electric front axle are all working together. The result is one powertrain that makes it feel like a true American muscle car, not a small, snobby, gas-saving hybrid.
The Electric Motor Isn't Here To Save Fuel
This is one of the most interesting things about the Grand Sport X. When most people hear "hybrid," they immediately think about fuel economy, emissions, and being responsible. That's not what Chevrolet is doing here.
The electric motor is being used as a performance weapon.
The front-mounted electric drive unit can deliver power directly to the front wheels, while the naturally aspirated V8 sends its power to the rear wheels. That means the Grand Sport X can use electric torque to help launch the car while the V8 continues doing what Corvette V8s have been doing for generations: Make Power And Lots Of It.
The system is built around a 1.9-kWh battery, but this electric motor isn't an attempt to turn the Grand Sport into a long-distance electric vehicle. Instead, the battery is there to provide short bursts of performance and capture regenerative energy.
That makes a lot of sense for a sports car. You don't need a massive battery if the goal isn't to drive 50 miles on electricity. You need a battery that can deliver power quickly, and that's exactly what the Grand Sport X is designed to do.
It's a hybrid system, but it's a very different kind of hybrid system.
The electric motor is being used as a performance weapon.
The front-mounted electric drive unit can deliver power directly to the front wheels, while the naturally aspirated V8 sends its power to the rear wheels. That means the Grand Sport X can use electric torque to help launch the car while the V8 continues doing what Corvette V8s have been doing for generations: Make Power And Lots Of It.
The system is built around a 1.9-kWh battery, but this electric motor isn't an attempt to turn the Grand Sport into a long-distance electric vehicle. Instead, the battery is there to provide short bursts of performance and capture regenerative energy.
That makes a lot of sense for a sports car. You don't need a massive battery if the goal isn't to drive 50 miles on electricity. You need a battery that can deliver power quickly, and that's exactly what the Grand Sport X is designed to do.
It's a hybrid system, but it's a very different kind of hybrid system.
Chevrolet says the 2027 Corvette Grand Sport X can hit 60 mph in 2.4 seconds. That's faster than the original E-Ray's published 2.5-second 0-60 time, and it puts the Grand Sport X firmly into the kind of acceleration territory where Corvette starts making some very expensive European sports cars nervous.
The quarter-mile is just as impressive. Chevrolet lists a 10.4-second quarter-mile at 131 mph. Think about that for a second. We're talking about a Grand Sport here. Not the ultimate Corvette. Not the ZR1X. The Grand Sport.
That's where the new Vette becomes really interesting. The Grand Sport isn't supposed to be the most extreme Corvette. The ZR1 and ZR1X already occupy that territory. Instead, the Grand Sport X is showing how much performance Chevrolet can build into the middle of the Corvette lineup. And that's exactly what the Grand Sport has always done.
Corvette Technology Is Getting Smarter
The C8 Corvette already changed the game when Chevrolet moved the engine behind the driver. Now the Grand Sport X is taking another step.
The computer-controlled relationship between the rear-mounted V8 and front electric motor allows Chevrolet to use the electric system in situations where an ordinary rear-wheel-drive Corvette would be fighting for traction. Launching from a stop is the obvious example, but it goes beyond that.
The electric motor can provide torque to the front wheels while the rear tires are putting down V8 power. That gives the driver an additional layer of control and, more importantly, gives Chevrolet another tool for making the car faster around corners, not just in a straight line.
The Grand Sport X gets performance strategies designed to manage the electric energy during serious driving. There is a Charge+ function designed to maintain the battery's state of charge for repeated performance use, along with specialized performance modes designed around qualifying-style performance and maximum power. And then there is Stealth Mode, which can allow the Corvette to operate on electric power alone at low speeds.
That Stealth feature is almost funny when you think about it.
The computer-controlled relationship between the rear-mounted V8 and front electric motor allows Chevrolet to use the electric system in situations where an ordinary rear-wheel-drive Corvette would be fighting for traction. Launching from a stop is the obvious example, but it goes beyond that.
The electric motor can provide torque to the front wheels while the rear tires are putting down V8 power. That gives the driver an additional layer of control and, more importantly, gives Chevrolet another tool for making the car faster around corners, not just in a straight line.
The Grand Sport X gets performance strategies designed to manage the electric energy during serious driving. There is a Charge+ function designed to maintain the battery's state of charge for repeated performance use, along with specialized performance modes designed around qualifying-style performance and maximum power. And then there is Stealth Mode, which can allow the Corvette to operate on electric power alone at low speeds.
That Stealth feature is almost funny when you think about it.
A 721-horsepower Corvette can quietly sneak around town on electric power. Then you put your foot down and wake up a 6.7-liter V8. That's a pretty good definition of having your cake and eating it too.
And Don't Forget The Brakes And Suspension
You can't build a Corvette capable of 10.4-second quarter-mile times and high-speed corner cutting and then forget about stopping.
The 2027 Corvette Grand Sport X gets some serious brakes—carbon-ceramic as standard:
- Front: 15.7 × 1.5 in (398 × 38 mm)
- Rear: 15.4 × 1.3 in (390 × 34 mm)
- Calipers: Brembo monobloc, 4-piston front and 4-piston rear
- System: eBoost-assisted carbon-ceramic discs
Chevrolet confirms the X gets the J57 carbon-ceramic brake package as standard, unlike the regular Grand Sport.
That's a very substantial setup, especially considering the Grand Sport X is around 3,800 lb. The carbon-ceramics also help with heat management and repeated hard stops
The suspension is badass as well, coming with Corvette's Magnetic Ride Control adaptive dampers and a Touring suspension as standard. It uses the C8's independent SLA/double-wishbone suspension front and rear.A few key points:
- Adaptive dampers: Magnetic Ride Control continuously adjusts damping electronically.
- Standard setup: Touring calibration, with relatively softer springs/damper tuning aimed at road comfort and long-distance drivability.
- Sport Performance option: A Z52 Sport Performance Package is available, adding stiffer springs and a more aggressive Magnetic Ride Control calibration, along with Michelin Pilot Sport 4S summer tires.
- Hardware: Independent SLA/double-wishbone suspension front and rear, with monotube shocks and Magnetic Ride Control.
A fast Corvette isn't impressive because it can accelerate. It's impressive when it can accelerate, brake, turn, and do it repeatedly without falling apart.
That's something I've always liked about Corvette engineering. GM has historically understood that adding horsepower isn't enough. You have to build the rest of the car to handle it.
This Is Where The Grand Sport Becomes A Real Problem For Other Sports Cars
For years, one of Corvette's biggest advantages has been its ability to give buyers serious performance without requiring them to spend exotic-car money.
I've written about this several times on gmpowerhouses.com. Back when I covered the C6 ZR1, I talked about how that Corvette could produce 638 horsepower, run to 60 mph in 3.4 seconds and reach a 200-mph top speed while carrying a price tag that was dramatically lower than comparable European supercars.
I've written about this several times on gmpowerhouses.com. Back when I covered the C6 ZR1, I talked about how that Corvette could produce 638 horsepower, run to 60 mph in 3.4 seconds and reach a 200-mph top speed while carrying a price tag that was dramatically lower than comparable European supercars.
That same philosophy is still alive, except Corvette has now gotten much faster. The 2027 Grand Sport X starts at $109,700, according to Chevrolet's current listing, before options and destination charges. For a 721-horsepower, all-wheel-drive, mid-engine sports car capable of a 2.4-second 0-60 time, that's a pretty remarkable number. And this is where Corvette continues to make other sports-car manufacturers uncomfortable.
You don't have to spend Ferrari money to get Ferrari-level acceleration. You don't have to spend Porsche money to get Porsche-level performance. And you certainly don't need to buy a European exotic just because you want a car that can dominate a road course. That's been part of the Corvette story for decades.
So, Like Always, I Think We Can All Admit, Chevrolet Has Done It Again!
I have written before about Corvettes that seemed impossible for their time.
The 2009 ZR1 was one of them.
The C7 ZR1 was another.
The C8's move to a mid-engine layout was another huge step.
And now Chevrolet has taken the Grand Sport name and done something that would have sounded completely crazy when I was writing about the 1996 version back in 2017.
They added an electric motor to the front of a naturally aspirated V8 Corvette.
And instead of using that technology to make the Corvette quieter and slower, they used it to make the car
FASTER. MUCH FASTER!
This combination is one that is very difficult for other sports-car manufacturers to ignore.- Not because it is the most powerful.
- Not because it is the most expensive.
- But because, just like the Grand Sports that came before it, it gives you a Corvette with the best all-around performance for the money.
And that's exactly what a Grand Sport is supposed to do.
