A few weeks ago Hennessey Performance staged a drag race between its mildly modded Chevrolet Corvette shop car and a stock Jeep Grand Cherokee Trackhawk. Now, the SUV has the company’s HPE1000 upgrade package with a claimed output of 1,012 horsepower (755 kilowatts) and 969 pound-feet (1,314 Newton-meters). It’s time for a rematch.