AMG GT Black Series spotted in London: a £335,000 monster The new AMG GT Black Series is the most powerful road-legal car Mercedes has made to date. The last AMG Black Series was launched in 2013, this new version looks crazy! Think of it as a road-legal AMG GT3 Car. Powering the new car is a monster 4-litre twin-turbo V8 that can produce a huge 730hp and 800Nm of super twisty torque. So how fast is the AMG GS Black Series to 60mph? it takes just 3.2 seconds which is bloody fast. Now that you know the important figures there is another very important figure and that is the price of the new Black Series which is £335,000. Are you still sitting comfortably?