1983 (Champion: Bob Wollek)
1. Monza (I), Apr 10-Thierry Boutsen (B)/Bob Wollek (F)-Porsche 956 #11
2. Silverstone (GB), May 8-Derek Bell (GB)/Stefan Bellof (D)-Porsche 956 #2
3. Nurburgring (D), May 29-Jacky Ickx (B)/Jochen Mass (D)-Porsche 956 #1
4. Le Mans 24 Hours (F), Jun 18-19-Hurley Haywood (USA)/Al Holbert (USA)/Vern Schuppan (AUS)-Porsche 956 #3
5. Spa-Francorchamps (B), Sep 4-Jacky Ickx (B)/Jochen Mass (D)-Porsche 956 #1
6. Brands Hatch (GB), Sep 18-John Fitzpatrick (GB)/Derek Warwick (GB)-Porsche 956 #11
7. Imola (RSM), Oct 16-Teo Fabi (I)/Hans Heyer (D)-Lancia LC2 #4
8. Mugello (I), Oct 23-Stefan Johansson (S)/Bob Wollek (F)-Porsche 956 #8

Total races: 8

Winning drivers

2 wins-Jacky Ickx, Jochen Mass, Bob Wollek
1 win-Derek Bell, Stefan Bellof, Thierry Boutsen, Teo Fabi, John Fitzpatrick, Hurley Haywood, Hans Heyer, Al Holbert, Stefan Johansson, Vern Schuppan, Derek Warwick

Total winning drivers: 14

Winning nationalities

Australia-1 driver (Schuppan)
Belgium-2 drivers (Boutsen, Ickx)
France-1 driver (Wollek)
Germany-3 drivers (Bellof, Heyer, Mass)
Great Britain-3 drivers (Bell, Fitzpatrick, Warwick)
Italy-1 driver (Fabi)
Sweden-1 driver (Johansson)
United States-2 drivers (Haywood, Holbert)

Total winning nationalities: 8

Championships

1 title-Bob Wollek

Total champions: 1

Winning manufacturers

7 wins-Porsche
1 win-Lancia

Total wins: 8 by 2 manufacturers