The end result of all this work is an engine that produces 700 hp (690 bhp /515 kW) and an electronically limited 1,100 Nm (811 lb-ft) of torque. Performance figures for this monster include a 0-100 km/h time of 4.3 seconds and a limited top speed of 240 km/h (150 mph). In comparison, the V8 powered G55 AMG produces 500 hp and 516 lb-ft of torque while the Mercedes S600 has 510 hp and 612 lb-ft of torque.
http://www.worldcarfans.com/9090219.013/brabus-g-v12-s-biturbo-with-700-hp-bows-in-geneva
Kudos to Brabus brining this even though the worldwide trends are totally against it.
