The 1971 Formula One season was the 25th season of the Fédération Internationale de l'Automobile 's Formula One motor racing. It featured the 22nd World Championship of Drivers , the 14th International Cup for F1 Manufacturers and a number of non-championship races open to Formula One cars. The World Championship was contested over eleven races between 6 March and 3 October.
Jackie Stewart , driving for Tyrrell Racing , won his second Drivers' Championship. [ 1 ] Tyrrell won their first and only Manufacturers' Cup. [ 2 ] Their car was powered by the famous Cosworth DFV V8 , while rivals BRM and Ferrari made use of self-designed V12 engines . 1970 champions Team Lotus had a desultory season after the death of their driver and champion Jochen Rindt , experimenting with a gas turbine engine and four-wheel drive , but ending up just fifth in the standings.
Two Formula One drivers lost their lives this year while racing: Pedro RodrĂguez crashed his Ferrari 512 in July, at an Interserie race at the Norisring , and Jo Siffert died in October, in a fiery crash during the Victory Race at Brands Hatch .
This was the first season where at least 22 cars started every championship race, except the Monaco Grand Prix , where 18 cars started.