Swedish auto major Volvo Cars on Friday launched its performance oriented sedan Volvo S60 Polestar that can accelerate from 0-100km/hr in just 4.7 second with a top speed of 250 km/hr. Powered by a two-litre, twin-charged (Turbocharged and Supercharged) petrol engine, the vehicle is available at an introductory price of Rs 52.5 lakh at an ex-showroom in Delhi.