SIGN UP HERE WELCOME TO ROUND 3 SILVERSTONE 1991 - YOU HAVE TO KEEP THE SAME CAR THAT YOU SELECT FOR YOUR FIRST EVENT. The 1990 480 km of Silverstone was the third round of the 1990 World Sportscar Championship season, taking place at Silverstone Circuit, United Kingdom. It took place on 20 May 1990. World Sportscar 1990 | Round 3 | Silverstone