2019 AMG GT R Facelift (585HP) – pure SOUND Acceleration & Sound by turboandstance - September 8, 2019 Cold-Start & pure SOUND footage of the recently facelifted 2019 / 2020 Mercedes-AMG GT R MOPF / Facelift powered by the well-known 4.0 BiTurbo V8 delivering 585 hp & 700 Nm of torque. Yes, this model has the OPF an due to regulations it is not allowed to sound as