Exclusive to red letter days this double thrill at silverstone is the perfect way for a demon driver to experience driving two phenomenal track cars the radical sr3 rs and the lotus elise 111s whats more this involves driving the full world famous grand prix circuit with a 0 60 mph time of just three seconds the radical is a race track speed fiend be driven around the entire 36 mile circuit for two demo laps before holding on tight as the professional drives you for 10 miles around