The Porsche 911 GT2 RS is limited to just 500 units worldwide, it will be available in the UK from September 2010 priced from £164,107. The new Porsche 911 GT2 RS has a weight-to-power ratio of just 2.21 kilos per horsepower, by far the best power/weight ratio in its class. These are the ideal ingredients for an ultra-high-performance sports car with supreme agility. This manifests itself in fuel consumption and CO2 23.7 mpg and 284 g/km versus the 911 GT2, despite the extra power and performance.