The new AMG GT Black Series will likely have a twin-turbocharged flat-plane crank V8 engine. Mercedes-Benz teased the possibility of a hotter AMG GT last summer, showing off the Concept AMG GT Track Sport. The AMG GT Black Series prototype shown here has a prominent front spoiler, a hood scoop, and vents. AMG GT Black Series DetailsWhen Mercedes announced it was developing a new AMG GT Black Series, it said the car would be the most "radical" and "extreme" Black Series to date. The last AMG GT Black Series featured an extensive use of carbon fiber to trim 77 pounds from the 720-hp coupe.