Super Sports Car Comparison: Chevy C8 Corvette Z06 Vs. Porsche 911 GT3

Comparison / Comments

Can a 670-horsepower V8 beat a 503-hp flat-six?

The all-new Corvette Z06 has just been revealed, so the next big step is doing the first round of comparisons to see how it stacks up on paper against it's closest rivals. It is as inevitable as the sun rising tomorrow, and with the configurator live, fans are already building their dream track 'Vettes.

We spent a good few hours deciding what to pit the Corvette against, with Italian supercars being the most prominent rivals. But then we'd get to the pricing section, and the 'Vette would win instantaneously.

Since the Z06 is more of a track weapon than the standard car, we decide to put it up against the star car of racing circuits across the globe. Yup, the Porsche 911 GT3. Why not go straight to one of the most iconic road-legal track cars out there?

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2023 Chevrolet Corvette Z06 Coupe Front Angle View Chevrolet
Porsche

Design: Sharp & Jagged or Smooth & Subtle?

Much has been said about the C8's design. Some people hate it, but we don't have strong feelings about it either way. It looks like a mid-engined supercar should. Is it tail heavy? Yes, but what supercar isn't? That's just how they look.

The design is aggressive, unapologetic, functional, and striking. Another exciting feature is the staggered wheels. The 'Vette comes standard with 20-inch wheels at the front and 21s at the rear. Up to seven wheel packages are available, including forged aluminum and carbon fiber.

Because it has more power, the ZO6 is loaded with trick aero, but the absolute highlight is the quad exhaust outlet and the epic rear spoiler design. From the side, it's pure supercar with the engine finally located in the middle. Best of all, you can choose yours with or without a big wing.

2023 Chevrolet Corvette Z06 Coupe Front Bumper Chevrolet
2023 Chevrolet Corvette Z06 Coupe Tail Lamp Chevrolet
2023 Chevrolet Corvette Z06 Coupe Air Intake Chevrolet
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The Corvette makes the 911 GT3 look mundane. As much as we love the GT3, even we have to admit that it looks like every other 911, of which there are many on the road.

Let us put it this way. To appreciate a GT3, you have to be a car nerd. A non-car person would have no idea that it's a specialized track tool. They'll look at the rear wing and think you're trying to compensate for something. Thankfully, Porsche also offers the Touring, which is a GT3 sans a giant wing. Like the Corvette, the GT also has 20-inch wheels at the front and 21s at the rear.

Let's be honest, shall we? Cars like these are about getting attention. A GT3 is rear-engined, but it looks like the engine sits at the front. Its side profile is no more exciting than any other 911.

Not all people will love it but damn them. Everyone who still has that car-loving inner nine-year-old will love the Chevy. Connoisseurs will take the GT3.

Porsche
Porsche
Porsche

Engine: Circa 9,000 RPM Of Guts And Glory

Ooh, this is tricky. We're suckers for naturally aspirated engines, which both cars have. The Corvette has a 5.5-liter V8 that spins to 8,600 rpm, while the GT3 has a flat-six that goes up to 9,100 rpm.

Chevrolet gives you a lot more power. The V8 produces 670 horsepower and 460 lb-ft of torque. All of that power is sent to the rear wheels via an eight-speed dual-clutch transmission.

The Z06 comes standard with launch control and wider, stickier rear wheels, which means even an amateur driver can get it to 60 mph in 2.6 seconds.

Chevrolet has yet to say anything about the top speed, but we're willing to bet it's either over or just under 200 mph.

Does the Chevy win simply by having more power?

2023 Chevrolet Corvette Z06 Coupe Driving Back View Chevrolet
Aft View Chevrolet
2023 Chevrolet Corvette Z06 Coupe Frontal Aspect Chevrolet

Sorry, no. Porsche's GT3 cars have been hovering around the 500 hp (502 hp/346 lb-ft to be exact) mark for more than a decade because the GT3 doesn't need more. This seemingly underpowered 911 has humbled many cars with more power around the Nurburgring. And you simply haven't lived until you've pushed the naturally-aspirated flat-six past 9,000 rpm, at which point it makes a noise that gives your soul an erection.

The Z06 might provide an even more thrilling experience than the GT3 when we actually drive it, but until then, the Porsche 4.0-liter NA flat-six remains the most fantastic engine ever made. And you can have it with a manual gearbox or a seven-speed PDK transmission.

In a straight line, it's slower. Porsche claims a 0-60 mph time of 3.2 seconds for the PDK model, which also tops out at 197 mph.

Porsche
Porsche

Suspension and Brakes: Ready For The Track

The GT3 has a front suspension borrowed from Porsche's racing series. In short, it digs in like a gravedigger on crack, but it has made the GT3 slightly more uncomfortable on the road. Not enough to ruin the car, however.

With the GT3, you get a suspension and brake setup honed by Andreas Preudinger and his team. Highlights include a clutch-kick feature for the PDK transmission, the automotive world's best electric power steering system, and powerful brakes.

The Z06 gets wider tires, GM's fourth-generation magnetic ride suspension, and six-piston brake calipers all around. When equipped with all the aero goodies, Chevy says the Z06 is capable of pulling 1.22 Gs. Carbon ceramic brakes are an option on both cars.

Which one will be the track star? The new GT3 managed a 6:55.34 around the Nurburgring while the Z06 hasn't had its time revealed just yet. The Chevy will likely humble the GT3 on a straight, but that racing-inspired front end will help the Porsche gain ground in the corners. You can't predict lap times, but we can look forward to the showdown.

Chevrolet
Wheel Porsche
Porsche
2023 Chevrolet Corvette Z06 Coupe Exhaust Chevrolet

Interior: Analog Vs. Digital

Both interiors are unashamedly all about the driver. The Porsche is more traditional, offering a 10.9-inch touchscreen in the middle of the center console, a shifter, and body-hugging seats. There's some tradition in there as well. As you might know, the tachometer always takes center stage in a Porsche, and in the GT3, it's still an analog dial. We adore the Porsche interior.

Having said that, the 'Vette's interior feels like a cockpit with its digital instrument cluster, also with a tachometer in the middle. The eight-inch touchscreen angled toward the driver is fantastic, as is the thin row of buttons housed within a raised center console cuts the driver off from the passenger. It's a selfish interior, and we like that. You also get supportive buckets in a wide variety of zany colors.

In this case, both interiors are stunning. Do they have all the modern connectivity features? Who cares?

The Porsche just edges it because it has more nods to the GT3 heritage.

Porsche
Front Chairs Porsche
2023 Chevrolet Corvette Z06 Coupe Driver Seat Chevrolet
Chevrolet

Price & Verdict: Heritage Vs. First Attempt

Pricing for the Corvette isn't finalized yet, but we think somewhere between $85,000 to $100,000 depending on options. That makes it the supercar budget champion of the century. Chevrolet is going to give a few Italian manufacturers a gut-punch of note in the USA.

The GT3 costs around $160,000, and we won't beat around the bush. It's worth every cent. And, if you want to be logical, will hold its value for much longer than the Corvette. The GT3 also comes with nearly two decades of heritage, while this is Chevrolet's first mid-engined supercar.

Would we pay the additional $60,000? That remains to be seen because the C8 Z06 might be the second coming.

Still, the GT3 is going to be hard to beat. It is a visceral, spine-tingling sensation of a car, and even the thought of one day choosing between the two is currently leading to heart palpitations.

Central Console Porsche
2023 Chevrolet Corvette Z06 Coupe Gearbox Controls Chevrolet

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