Mercedes AMG GT Engine Revealed in Detail By Luke Vandezande Jul 25 2014 Share this Article Tweet Mercedes’ new sports car will be powered by a 4.0-liter biturbo V8 that cranks out 503 hp and 479 lb-ft of torque. Continue Reading... Filed under: Featured Articles German Mercedes-Benz Sports CarsTags: AMG, amg gt, AMG GT V8, biturbo, turbo v8, turbocharged, v8