Audi R25 Prototype is the latest in its lineup of race cars. The features are quite innovative and the same have never been featured in any of the prototypes like high velocity banks and tunnels, a feature that allows the car to race in inverted position which helps it overtake other aerodynamic race cars. The car has been designed to perform in new racing conditions and will sure be a pioneer in revolutionizing the conceptual cars being designed for racing in the days to come.