The 1971 International Championship for Makes season was the 19th season of FIA World Sportscar Championship motor racing. It was open to Group 6 Sports Prototypes, Group 5 Sportscars, and Group 4 Special GT Cars[1] and was contested over an eleven race series which ran from 10 January to 24 July 1971.[2] Porsche won the championship,[3] and the German manufacturer also won the International Cup for GT Cars.[4]
| Rnd | Race | Circuit or Location | Date | |
|---|---|---|---|---|
| 1 |  1000km of Buenos Aires† | Autódromo Oscar Alfredo Gálvez | 10 January | |
| 2 |  24 Hours of Daytona Beach | Daytona International Speedway | 30 January 31 January | |
| 3 | 12 Hours of Sebring | Sebring International Raceway | 20 March | |
| 4 |  BOAC 1000km† | Brands Hatch | 4 April | |
| 5 |  1000 Km. di Monza[5] (Trofeo Filippo Caracciolo) | Autodromo Nazionale Monza | 25 April | |
| 6 |  1000km Spa | Circuit de Spa-Francorchamps | 9 May | |
| 7 | Targa Florio | Circuito Piccolo delle Madonie | 16 May | |
| 8 |  ADAC 1000km Nürburgring | Nürburgring | 30 May | |
| 9 |  24 Hours of Le Mans | Circuit de la Sarthe | 12 June 13 June | |
| 10 |  Austrian 1000km | Österreichring | 27 June | |
| 11 | Watkins Glen 6 Hours | Watkins Glen International | 24 July |
† - Sports Prototypes and Sportscars only, GT class did not participate.
Championship points were awarded to the top 6 finishers in each race in the order of 9-6-4-3-2-1. Manufacturers were only given points for their highest finishing car and any other cars from that manufacturer were merely skipped in the points standings.
All Sportscars, Sports Prototypes and GT cars were eligible for points towards the International Championship for Makes and the GT class also had their own separate award.
Cars participating in races that were not included in the Sportscar, Sports Prototype or GT classes were skipped when awarding points for the overall championship.
Only the best 8 points finishes counted towards the championship, with any other points earned not included in the total. Discarded points are shown within brackets.
| Pos | Manufacturer | Rd 1 | Rd 2 | Rd 3 | Rd 4 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Rd 9 | Rd 10 | Rd 11 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Porsche | 9 | 9 | 9 | (4) | 9 | 9 | (3) | 9 | 9 | 9 | (6) | 72 | |
| 2 | Alfa Romeo | 4 | 6 | 9 | 4 | 4 | 9 | (3) | 6 | 9 | 51 | |||
| 3 | Ferrari | 2 | 6 | 1 | 6 | 1 | 4 | 3 | 3 | 26 | ||||
| 4 | Lola | 1 | 4 | 5 | ||||||||||
| 5 | Chevrolet | 3 | 2 | 5 |
The GT class did not participate in Rounds 1 and 4. Only the best 7 finishes were counted towards the International Cup for GT Cars. Discarded points are shown within brackets.
| Pos | Manufacturer | Rd 2 | Rd 3 | Rd 5 | Rd 6 | Rd 7 | Rd 8 | Rd 9 | Rd 10 | Rd 11 | Total | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Porsche | (4) | 6 | 9 | 9 | 9 | 9 | 9 | 9 | (6) | 60 | |
| 2 | Chevrolet | 9 | 9 | 1 | 9 | 28 | ||||||
| 3 | Opel | 3 | 3 | |||||||||
| 4 | Alfa Romeo | 1 | 1 |
The following models contributed to the net points scores of their respective manufacturers.
