1970 World Sportscar Championship
The 1970 World Sportscar Championship season was the 18th season of FIA World Sportscar Championship motor racing. It featured the 1970 International Championship for Makes and the 1970 International Cup for GT Cars, which were contested concurrently from 31 January to 11 October over a ten race series. The International Championship for Makes, which was open to Group 6 Sports-Prototypes, Group 5 Sports Cars and Group 4 Special GT Cars, was won by German manufacturer Porsche. The International Cup for GT Cars was also won by Porsche.
Schedule
| Rnd | Race | Circuit or Location | Date |
| 1 |  24 Hours of Daytona | Daytona International Speedway | 31 January 1 February |
| 2 | 12 Hours of Sebring | Sebring International Raceway | 21 March |
| 3 |  BOAC 1000km† | Brands Hatch | 12 April |
| 4 |  1000km Monza | Autodromo Nazionale Monza | 25 April |
| 5 | Targa Florio | Circuito delle Madonie | 3 May |
| 6 |  1000km Spa | Circuit de Spa-Francorchamps | 17 May |
| 7 |  1000km Nürburgring | Nürburgring | 31 May |
| 8 |  24 Hours of Le Mans | Circuit de la Sarthe | 13 June 14 June |
| 9 | Watkins Glen 6 Hours | Watkins Glen International | 11 July |
| 10 |  Austrian 1000km | Österreichring | 11 October |
† - The BOAC 1000 km was open to Group 6 Sports-Prototypes and Group 5 Sports Cars only. GT Cars did not participate.
Season results
Races
| Rnd | Circuit | Sportscar Winning Team | GT Winning Team | Results |
| Rnd | Circuit | Sportscar Winning Drivers | GT Winning Drivers | Results |
| 1 | Daytona | #2 John Wyer Automotive | #7 Owens Corning Racing | Results |
| 1 | Daytona |  Pedro Rodriguez Leo Kinnunen Brian Redman | Jerry Thompson John Mahler | Results |
| 2 | Sebring | #21 SpA Ferrari SEFAC | #1 Troy Promotions | Results |
| 2 | Sebring | Ignazio Giunti Nino Vaccarella Mario Andretti | Tony DeLorenzo Dick Lang | Results |
| 3 | Brands Hatch | #10 John Wyer Automotive | None | Results |
| 3 | Brands Hatch | Pedro Rodriguez Leo Kinnunen | Results | |
| 4 | Monza | #7 John Wyer Automotive | #87 Brescia Corse | Results |
| 4 | Monza | Pedro Rodriguez Leo Kinnunen | Giuseppe Schenetti Sergio Zerbini | Results |
| 5 | Targa Florio | #12 John Wyer Automotive | #174 HF Squadra Corse | Results |
| 5 | Targa Florio |  Jo Siffert Brian Redman | Sandro Munari Claudio Maglioli | Results |
| 6 | Spa-Francorchamps | #24 John Wyer Automotive | #59 Bernard Cheneviére | Results |
| 6 | Spa-Francorchamps | Jo Siffert Brian Redman | Bernard Cheneviére Claude Haldi | Results |
| 7 | Nürburgring | #22 Porsche Salzburg | #79 Dieter Fröhlich | Results |
| 7 | Nürburgring | Vic Elford Kurt Ahrens, Jr. | Dieter Fröhlich Pauli Toivonen | Results |
| 8 | La Sarthe | #23 Porsche Salzburg | #40 Etablissement Sonauto | Results |
| 8 | La Sarthe | Hans Herrmann Richard Attwood | Claude Ballot-Léna Guy Chasseuil | Results |
| 9 | Watkins Glen | #2 John Wyer Automotive | #5 Bob Grossman | Results |
| 9 | Watkins Glen | Pedro Rodriguez Leo Kinnunen | Bob Grossman Don Yenko | Results |
| 10 | Österreichring | #23 John Wyer Automotive | #51 Peter-Ernst Strähle | Results |
| 10 | Österreichring | Jo Siffert Brian Redman | Günter Steckkönig Ferfried von Hohenzollern | Results |
International Championship for Makes
Points were awarded for the first six places in each race on a 9-6-4-3-2-1 basis. Manufacturers were only awarded points for their highest placed car with no points awarded for positions filled by other cars from the same manufacturer.No points were awarded for positions filled by cars other than Group 6 Sports-Prototypes, Group 5 Sports Cars and Group 4 Special GT Cars.
Out of the ten rounds in the championship, only the best seven results counted towards the points total for each manufacturer. Discarded points are shown within brackets in the following table.
| Pos | Manufacturer | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Rd 9 | Rd 10 | Total |
| 1 | Porsche | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 63 | |||
| 2 | Ferrari | 4 | 9 | 6 | 4 | 6 | 4 | 4 | 37 | |||
| 3 | Alfa Romeo | 4 | 6 | 10 | ||||||||
| 4 | Matra-Simca | 2 | 2 | 4 | ||||||||
| 5 | Chevrolet | 1 | 1 | 2 |
International Cup for GT Cars
Points were awarded for the first six places in the GT category at each race on a 9-6-4-3-2-1 basis. Manufacturers were only given points for their highest finishing car with no points awarded for positions filled by other cars from the same manufacturer.Only the best seven results were retained towards the championship total of each manufacturer. Discarded points are shown within brackets in the following table.
The Grand Touring Car category did not participate in Round 3 at Brands Hatch.
| Pos | Manufacturer | Rd 1 | Rd 2 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Rd 9 | Rd 10 | Total |
| 1 | Porsche | 4 | 9 | 9 | 9 | 6 | 9 | 9 | 55 | ||
| 2 | Chevrolet | 9 | 9 | 9 | 27 | ||||||
| 3 | Lancia | 9 | 9 | ||||||||
| 4 | Alpine | 1 | 3 | 4 | |||||||
| 4 | Lotus | 4 | 4 | ||||||||
| 5 | BLMC | 1 | 1 |
The cars
The following models contributed towards the net point scores of their respective manufacturers.International Championship for Makes
International Cup for GT Cars
- Porsche 911S, Porsche 911T & Porsche 914/6 GT
- Chevrolet Corvette & Chevrolet Camaro
- Lancia Fulvia HF
- Alpine A110
- Lotus Europa
- MGB