2021 Mercedes-AMG GT Black Series confirmed with 720 horsepower

The Mercedes-AMG GT range currently tops out with the 577-horsepower GT R Pro, but a more potent Black Series is coming to see out this generation of AMG's standalone sports car. AMG is set to reveal the new GT Black Series on Wednesday, but the company has already dropped a revealing teaser video and now has confirmed the output: 720 horsepower...