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Here’s the range-topping ZR1 for the C7-generation of Corvettes, spied from what appears to be a relatively high-altitude aerial vantage point. The ZR1 designation was previously reserved for the supercharged Corvette which gave greater straight-line performance than the track-oriented Z06. Now that the current, C7-generation Z06 has adopted supercharging to achieve 650 hp, the upcoming ZR1 is rumoured to adopt twin-turbocharging for even greater output figures.

A twin-turbo V8 is rumoured to be the powerplant of choice for the ZR1, though output figures haven’t been revealed; where the C6-generation ZR1 had 638 hp to its contemporary Z06 sibling’s 500 hp. A similar margin above the current C7 Z06’s 650 hp would take the ZR1’s output comfortably north of 700 hp.

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A pair of uprights appear on the Corvette mule’s bootlid, suggesting that a large wing is set to be mounted on it; the long item packaged in wrapping within the test mule adds to that suggestion, which is possibly the rear wing detached for transportation. Up in front, the bonnet appears to have a larger dome compared to the Z06, while the front flanks sport larger vents at each corner.

Along the sides, the doors curiously appear to be unfinished, possibly constructed of a lightweight material, while down the back, additional camouflage suggests cosmetic updates for the coming model years. The ZR1 Corvette typically comes close to the end of a generational lifecycle, indicating that the next, possibly mid-engined Corvette, is near.