2012 Jaguar XKR S gets 550-hp.Jaguar has today revealed the new Jaguar XKR-S, which will have its world debut at the Geneva Motor Show next month. 2012 Jaguar XKR-S is powered by a supercharged V8 engine modified developing 550PS and 680Nm of torque can be number of serious performance.2012 Jaguar XKR S gets 550-hp 2012 Jaguar XKR-S, top speed is officially estimated at 186 mph (300 km / h) and manufacturers say the new model you can get 00-60 km / h in 4.2 seconds and 0-100 km / h 8.6 seconds. These figures demonstrate the two .012 Jaguar XKR-S is the fastest Jag ever, and the manufacturer says it is also the most agile, responsive and focused on the driver. However, the 2012 Jaguar XKR-S is also the emissions below 300 g / km of CO2.2012 Jaguar XKR S gets 550-hp