A modified Chevy Corvette ZR1 is reported to have an output of 1,200 horsepower, although the amount of horsepower that reaches the rear wheels may be less. Some outlets suggest the vehicle's actual horsepower may be around 1,000. The story appears to be about the Hennessey-tuned Corvette, with some outlets mentioning other high-performance vehicles, such as the Shelby GT500 and the Corvette Stingray.