Tags: Motorsport Season.
The 1973 World Sportscar Championship season was the 21st season of FIA World Sportscar Championship motor racing. It featured the 1973 World Championship for Makes and the 1973 Cup for GT Cars which were contested concurrently over a ten race series. The World Championship for Makes which was open to Group 5 Sports Cars and Group 4 GT Cars was won by Matra and the Cup for GT Cars which was open only to Group 4 GT Cars was won by Porsche.
