 The better equipped S variant was unveiled at the 2008 Geneva Motor Show and features the enlarged 4.7-litre () V8 engine shared with the Alfa Romeo 8C Competizione, rated at at 7,000 rpm and of torque at 4,750 rpm.At the time of its introduction, it was the most powerful road-legal Maserati offered for sale (excluding the homologation special MC12).The engine is mated to the 6-speed automated manual shared with the Ferrari F430.