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How the 2023 Chevrolet Corvette Z06 Compares Porsche’s Cayman GT4

2023 chevrolet z06 and 2022 porsche 718 cayman gt4

Chevrolet / Jessica Lynn Walker

  • The Chevrolet C8 Corvette Z06 has made its debut, so we’re evaluating it to Porsche’s final mid-engine providing, the Cayman GT4.
  • Each fashions are probably the most track-focused variations of their respective lineups and have naturally aspirated engines.
  • Porsche can be including an even more hard-core Cayman GT4 RS and Chevrolet a Corvette ZR-1, however for now, these two are the highest of the meals chain.

    As has lengthy been the case, direct rivals for the Chevrolet Corvette are laborious to return by as a result of automobile’s mixture of efficiency and value, and that is much more true with the C8 technology’s transfer to a mid-engine structure. Mid-engine exotics reminiscent of the McLaren GT, the Lamborghini Huracán, and the Maserati MC20 have six-figure value tags that begin with a 2, making them vastly costlier than the equally configured C8. The usual Audi R8 V10 isn’t as far out within the ionosphere, however with a purpose to crest the 600-hp mark, it is advisable to improve to the Efficiency model, which once more is crowding $200K. Come subsequent yr, the mid-engine Lotus Emira could also be one other competitor, and its First Version can have a 400-hp supercharged V-6 at a value of $96,100. For now, although, we would say the closest temptation for would-be Corvette patrons is the Porsche Cayman. And for the new Corvette Z06, it’s the Cayman GT4, in order that’s the matchup we’re taking a look at right here.


    Each vehicles use engines that epitomize their manufacturers: a small-block V-8 for the Chevy, a flat-six for the Porsche.

    2023 chevrolet corvette z06

    John RoeAutomotive and Driver

    The center of the Corvette Z06 is its new LT6 V-8. Displacing 5.5 liters, this DOHC 32-valve engine contains a flat-plane crankshaft. It makes 670 horsepower at 8400 rpm, simply shy of its 8600-rpm redline, together with 460 pound-feet of torque at 6300 rpm. By comparability, the Cayman’s naturally aspirated 4.0-liter flat-six is down in cylinder rely, displacement, and energy output. It revs to 8000 rpm and spins out 414 horsepower at 7600 rpm and 309 or 317 pound-feet of torque, relying on transmission.


    Chevrolet didn’t engineer the C8 Corvette for a guide transmission, and that features the Z06. So right here once more, an eight-speed Tremec dual-clutch automated can be sending the engine’s output to the rear wheels. In contrast, Porsche—in the meanwhile, at the very least—nonetheless presents a stick shift within the Cayman GT4. After all, patrons who don’t need that six-speed guide can spend up for the eight-speed PDK dual-clutch automated.

    Dimension and Weight

    The Cayman GT4 casts a shadow 175.5 inches lengthy and is 70.9 inches vast. It sits astride a 97.8-inch wheelbase, and the entrance monitor is 60.6 inches with the rear at 60.4.

    The Corvette Z06 stretches 184.6 inches in size (185.9 with the carbon fiber aerodynamic bundle) and rides on a 107.2-inch wheelbase. It is wider than the usual automobile at 79.7 inches and has a wider stance with a entrance monitor of 66.3 inches and a rear of 66.1.

    2023 chevrolet corvette z06

    John RoeAutomotive and Driver

    2021 porsche cayman gt4 pdk

    Jessica Lynn WalkerAutomotive and Driver

    On our scales, the manual-equipped Cayman GT4 weighed 3196 kilos, leading to a weight-to-power ratio of seven.6 kilos per horsepower. Our estimated curb weight for the Z06 is 3700 kilos in its lightest configuration, which might make for a weight-to-power ratio of 5.5 kilos per horsepower.


    In our testing, the Cayman GT4 geared up with the PDK dual-clutch automated zipped from 0 to 60 mph in 3.3 seconds on its way to an 11.6-second quarter-mile at 121 mph. With a six-speed guide transmission, these numbers had been 3.7 seconds to 60 and 11.9 through the quarter at 120 mph. We now have but to check the brand new Z06, however a daily C8 with the Z51 bundle hit 60 mph in 2.8 seconds and covered the quarter-mile in 11.2 seconds at 122 mph. We estimate that the Z06 will hit 60 mph in 2.4–2.5 seconds, and can demolish the quarter in 10.4–10.5 seconds.


    The Cayman GT4 sits an inch decrease and rides on stiffer springs than its siblings, and its suspension presents adjustment of camber, toe, ride-height, and anti-roll bar settings. Porsche presents adaptive dampers and carbon-ceramic brake rotors ($8000).

    The Z06 equally has its personal suspension calibration with customary Magnetic Selective Journey Management 4.0. And it, too, will provide optionally available carbon-ceramic brakes as a part of the Z07 bundle, which additionally features a additional upgraded FE7 suspension, a carbon fiber aero bundle, and Michelin Sport Cup 2 R ZP tires.

    2023 chevrolet corvette z06

    John RoeAutomotive and Driver

    2021 porsche cayman gt4 pdk

    Jessica Lynn WalkerAutomotive and Driver

    The bottom Z06 wheels are 20-x-10-inch entrance and 21-x-13-inch rear, however Z06 patrons can swap out these customary aluminum wheels for carbon-fiber wheels which are 41 kilos lighter (in complete) and get their very own particular tuning for the ability steering and the magnetorheological dampers. The Cayman GT4 rolls on 20-x-8.5-inch entrance and 20-x-11-inch rear wheels.


    The 2021 Cayman GT4 begins at $101,550. Pricing for the 2023 Corvette Z06 hasn’t been launched but, with Chevy saying solely that it could monitor the earlier Z06 premium. Primarily based on that, we’re estimating $90,000 as the place to begin for the final word Corvette.

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