Discover the 2021 Mercedes-AMG GT Black Series: Explore its features, view an extensive gallery with 62 photos. It's powered by a 4.0-litre twin-turbo V8 engine, delivering an impressive 720 horsepower. With a top speed of 201 mph (325 km/h), it promises an exhilarating ride.It accelerates from 0 to 100km/h in just 3.2 seconds seconds.