- How many races did Jo Siffert win?
- Jo Siffert won 2 Grands Prix from 97 starts (1962–1971), with 6 podiums and 2 pole positions.
- Was Jo Siffert a Formula 1 World Champion?
- No — Jo Siffert never won the World Drivers' Championship.
- When did Jo Siffert race in Formula 1?
- Jo Siffert raced in Formula 1 from 1962 to 1971 (10 seasons), driving for Lotus-Climax, Lotus-BRM, Brabham-BRM, Brabham-Climax, Cooper-Maserati, Lotus-Ford, March and BRM.
- When was Jo Siffert born?
- Jo Siffert, a Swiss driver, was born on July 7, 1936.
