1983 World Sportscar Championship
The 1983 World Endurance Championship was the 31st season of FIA World Sportscar Championship auto racing series. It featured the two world championships and two cups for drivers and manufacturers which was contested by Group C Sports Cars, Group C Junior Sports Cars and Group B GT Cars in a seven race events which ran from 10 April to 10 December 1983. The World Endurance Championship for Drivers was won by Jacky Ickx while the World Endurance Championship for Manufacturers was won by Porsche. The Group C Junior Cup was won by Ginnini Alba and the Grand Touring Cup by Porsche.
The world championship was held in conjunction with the 1983 European Endurance Championship, sharing five races events in Europe before the series departed internationally. As such, many drivers and teams competed in both championships.
Schedule
All events covered a distance of with exception of the 24 Hours of Le Mans. The first five events were shared with the European Endurance Championship. The Monza round was shared with the Italian Championship Group 6, although their race lasted only 14 laps and the cars did not complete the full endurance race distance.| Round | Race | Circuit | Date |
| 1 | Trofeo Filippo Caracciolo |  Autodromo Nazionale Monza, Monza, Italy | 10 April |
| 2 | Grand Prix International 1000 km |  Silverstone Circuit, Silverstone, United Kingdom | 8 May |
| 3 | Bitburger ADAC-1000-km-Rennen |  Nürburgring, Nürburg, West Germany | 29 May |
| 4 | 24 Hours of Le Mans |  Circuit de la Sarthe, Le Mans, France | 18–19 June |
| 5 | Trophee Diners Club 1000 km Spa-Francorchamps |  Circuit de Spa-Francorchamps, Spa, Belgium | 4 September |
| 6 | :ja:WEC-JAPAN|World Endurance Championship in Japan |  Fuji Speedway, Oyama, Japan | 2 October |
| 7 | Castrol 1000 |  Kyalami Grand Prix Circuit, Midrand, South Africa | 10 December |
Entries
Group C
Group C Junior
Group B
The Nürburgring round allowed additional Group B entries meeting the under regulations to compete but they were not eligible for championship points and are therefore not listed here.| Entrant | Car | Engine | Tyre | Drivers | Rounds | |
 Strandell | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 74 | Tomas Wiren | 7 | |
| Strandell | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 74 | Kenneth Leim | 7 | |
 Scuderia Chico d'Or | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 75 | Olindo Del-Thé | 7 | |
| Scuderia Chico d'Or | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 75 | Mario Regusci | 7 | |
| Bernd Schiller | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 81 98 94 73 | Bernd Schiller | 1–2, 4 | |
| Bernd Schiller | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 81 98 94 73 | Günter Steckkönig | 1–2, 4 | |
| Bernd Schiller | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 81 98 94 73 | Claude Haldi | 4 | |
| Bernd Schiller | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 81 98 94 73 | Wolfgang Braun | 7 | |
| Bernd Schiller | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 81 98 94 73 | Charles Brittz | 7 | |
 Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Jens Winther | 1–5, 7 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Wolfgang Braun | 1–3, 5 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | David Mercer | 2, 5 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Frank Jelinski | 3 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Angelo Pallavinci | 4 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Leopold von Bayern | 4 | |
| Jens Winther Team Castrol | BMW M1 | BMW M88 3.5 L I6 | 82 89 103 72 | Lars-Viggo Jensen | 7 | |
| Georg Memminger | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 83 92 110 | Georg Memminger | 1–5 | |
| Georg Memminger | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 83 92 110 | Heinz Kunh-Weiss | 1–5 | |
| Georg Memminger | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 83 92 110 | Günter Steckkönig | 3 | |
| Georg Memminger | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 83 92 110 | Fritz Müller | 4 | |
| Giuseppe Arlotti | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 84 | Luigi Colzani | 1 | |
| Giuseppe Arlotti | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 84 | Bruno Rebai | 1 | |
| Equipe Alméras Freres | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 85 95 | Jean-Marie Alméras | 1–2, 4 | |
| Equipe Alméras Freres | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 85 95 | Jacques Guillot | 1–2, 4 | |
| Equipe Alméras Freres | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 85 95 | Roland Biancone | 1–2 | |
| Equipe Alméras Freres | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 85 95 | Jacques Alméras | 4 | |
| Racing Team Jürgensen GmbH | BMW M1 | BMW M88 3.5 L I4 | 88 105 90 70 | Hans Christian Jürgensen | 1–3, 5, 7 | |
| Racing Team Jürgensen GmbH | BMW M1 | BMW M88 3.5 L I4 | 88 105 90 70 | Edgar Dören | 1–3, 5, 7 | |
| Racing Team Jürgensen GmbH | BMW M1 | BMW M88 3.5 L I4 | 88 105 90 70 | Antoniella Mandelli | 2 | |
| Racing Team Jürgensen GmbH | BMW M1 | BMW M88 3.5 L I4 | 88 105 90 70 | Vic Elford | 3 | |
| Racing Team Jürgensen GmbH | BMW M1 | BMW M88 3.5 L I4 | 88 105 90 70 | Helmut Gall | 7 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Helmut Gall | 2–3 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 |  Margie Smith-Haas | 2 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Jürgen Hamelmann | 3, 5 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Edgar Dören | 3 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Alexandre Yvon | 4–5 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Jean-Marie Lemerle | 4 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Michael Krankenberg | 4 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Michel Lateste | 7 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Axel Felder | 7 | |
| Racing Team Jürgensen GmbH | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 91 106 71 | Peter Hähnlein | 7 | |
| Charles Ivey Racing | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 93 | Paul Smith | 2, 4–5, 7 | |
| Charles Ivey Racing | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 93 | John Cooper | 2, 4–5, 7 | |
| Charles Ivey Racing | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 93 | David Ovey | 2, 4–5 | |
| Charles Ivey Racing | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 93 | Giorgio Cavalieri | 7 | |
| Michel Lateste | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 96 | Michel Lateste | 4–5 | |
| Michel Lateste | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 96 | Michel Bienvault | 4–5 | |
| Michel Lateste | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 96 | Raymond Touroul | 4 | |
| Raymond Boutinnaud | Porsche 928S | Porsche 4.7 L V8 | 97 | Raymond Boutinnaud | 4 | |
| Raymond Boutinnaud | Porsche 928S | Porsche 4.7 L V8 | 97 | Patrick Gonin | 4 | |
| Raymond Boutinnaud | Porsche 928S | Porsche 4.7 L V8 | 97 | Alain Le Page | 4 | |
| EBRT | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 98 | Peter Reuter | 5 | |
| EBRT | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 98 | Bruno Beilcke | 5 | |
| EBRT | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 98 | Anton Hüweller | 5 | |
| Maurice Dantinne | Ferrari 308 GTB LM | Ferrari 3.0 L V8 | 99 | Maurice Dantinne | 5 | |
| Maurice Dantinne | Ferrari 308 GTB LM | Ferrari 3.0 L V8 | 99 | Pierre Vaillant | 5 | |
| Brun Motorsport GmbH | BMW M1 | BMW M88 3.5 L I6 | 101 | Harald Grohs | 3 | |
| Brun Motorsport GmbH | BMW M1 | BMW M88 3.5 L I6 | 101 | Leopold von Bayern | 3 | |
| Tomei Jidousha | Nissan 240RS | Nissan FJ24 2.4 L I4 | 102 | Eiji Shibuya | 6 | |
| Tomei Jidousha | Nissan 240RS | Nissan FJ24 2.4 L I4 | 102 | Fumio Aiba | 6 | |
| Peter Reuter | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 108 | Peter Reuter | 3 | |
| Peter Reuter | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 108 | Franz-Richard Friebel | 3 | |
| Peter Reuter | Porsche 930 | Porsche 3.3 L Turbo Flat-6 | 108 | Hermann-Peter Duge | 3 | |
| Bergischer M.C. Wuppertal | Porsche 924 Carrera GTS | Porsche 2.0 L Turbo I4 | 109 | Wolf-Georg van Staerh | 3 | |
| Bergischer M.C. Wuppertal | Porsche 924 Carrera GTS | Porsche 2.0 L Turbo I4 | 109 | Ulli Richter | 3 | |
| Helge Probst | Porsche 928S | Porsche 4.7 L V8 | 111 97 | Helge Probst | 3, 5 | |
| Helge Probst | Porsche 928S | Porsche 4.7 L V8 | 111 97 | Norbert Haug | 3, 5 | |
| Helge Probst | Porsche 928S | Porsche 4.7 L V8 | 111 97 | Wolfgang Walter | 3 | |
| Helge Probst | Porsche 928S | Porsche 4.7 L V8 | 111 97 | Knuth Mentel | 5 | |
| Mich Opel Tuning | Opel Ascona 400 | Opel 2.4 L I4 | 112 | Karl-Heinz Schäfer | 3 | |
| Mich Opel Tuning | Opel Ascona 400 | Opel 2.4 L I4 | 112 | Karl-Heinz Gürthler | 3 | |
| Autax Motor+Sport | Porsche 924 Carrera GTS | Porsche 2.0 L Turbo I4 | 113 | Klaus Utz | 3 | |
| Autax Motor+Sport | Porsche 924 Carrera GTS | Porsche 2.0 L Turbo I4 | 113 | Claude Haldi | 3 |
Results and standings
Race results
| Rnd | Circuit | Outright winning team | Group C Junior winning team | Group B winning team | Reports |
| Rnd | Circuit | Outright winning drivers | Group C Junior winning drivers | Group B winning drivers | Reports |
| 1 | Monza | No. 11 Sorga S.A | No finishers | No. 88 Racing Team Jürgensen GmbH | Report |
| 1 | Monza | Bob Wollek Thierry Boutsen | No finishers | Hans Christian Jürgensen Edgar Dören | Report |
| 2 | Silverstone | No. 2 Rothmans Porsche | No. 63 Jolly Club | No. 89 Jens Winther Team Castrol | Report |
| 2 | Silverstone | Derek Bell Stefan Bellof | Carlo Facetti Martino Finotto | Jens Winther Wolfgang Braun David Mercer | Report |
| 3 | Nürburgring | No. 1 Rothmans Porsche | No. 63 Jolly Club | No. 106 Racing Team Jürgensen GmbH | Report |
| 3 | Nürburgring | Jochen Mass Jacky Ickx | Carlo Facetti Martino Finotto | Edgar Dören Helmut Gall Jürgen Hamelmann | Report |
| 4 | Le Mans | No. 3 Rothmans Porsche | No. 60 Mazdaspeed | No. 93 Charles Ivey Racing | Report |
| 4 | Le Mans |  Vern Schuppan Al Holbert Hurley Haywood | Yojiro Terada Takashi Yorino Yoshimi Katayama | John Cooper Paul Smith David Ovey | Report |
| 5 | Spa-Francorchamps | No. 1 Rothmans Porsche | No. 62 Manns Racing | No. 89 Jens Winther Team Castrol | Report |
| 5 | Spa-Francorchamps | Jochen Mass Jacky Ickx | Roy Baker David Palmer | Jens Winther Frank Jelinski David Mercer | Report |
| 6 | Fuji | No. 2 Rothmans Porsche | No. 81 Misaki Speed | No finishers | Report |
| 6 | Fuji | Derek Bell Stefan Bellof | Kyoshi Misaki Masakazu Nakamura | No finishers | Report |
| 7 | Kyalami | No. 2 Rothmans Porsche | No. 64 Vesuvio Racing SRL | No. 72 Jens Winther Team Castrol | Report |
| 7 | Kyalami | Derek Bell Stefan Bellof | Martino Finotto Carlo Facetti Massimo Faraci | Jens Winther Lars-Viggo Jensen | Report |
| 1st | 2nd | 3rd | 4th | 5th | 6th | 7th | 8th | 9th | 10th | Group C Junior Bonus | Group B Bonus | |
| 20 | 15 | 12 | 10 | 8 | 6 | 4 | 3 | 2 | 1 | 2 | 3 |
In order to be classified for points, a team had to complete 90% of the winner's distance. Further, drivers were required to complete at least 30% of their car's total race distance to qualify for championship points. Group C Junior and Group B drivers earned extra championship points for any finish within the overall top ten positions.
World Endurance Championship for Drivers
Makes' championships
To denote a make, it is identified as an engine manufacturer-chassis manufacturer. Only the best result from each make earned championship points while the five best results from each make's tally were counted. Points not counted are marked with parenthesis.World Endurance Championship for Makes
The World Endurance Championship for Makes was open to Group C cars only. Group C Junior and Group B had their own championships.| Make | MON | SIL | NUR | LMS | SPA | FUJ | KYA | Total points | |
| 1 | Porsche | 1 | 1 | 1 | 1 | 1 | 100 | ||
| 2 | Lancia | 8 | Ret | 5 | NC | 6 | 2 | 32 | |
| 3 | Aston Martin-Nimrod | 7 | Ret | Ret | 4 | ||||
| 3 | Nissan-March | 7 | 4 | ||||||
| 5 | BMW-Sauber | 9 | 10 | 3 | |||||
| 6 | Toyota-Dome | 9 | 2 | ||||||
| 7 | BMW-URD | 10 | 1 |