Jo Siffert

By circuit type

Results proxy. Positive deltas mean better positions; at least two races with each metric are required. Qualifying and classified finishes have separate samples.

Additional teammates without comparable sessions: Vic Elford (1971, 1 rounds); Mario Andretti (1970, 4 rounds); Johnny Servoz-Gavin (1970, 1 rounds); Mario Andretti (1969, 3 rounds); Pete Lovely (1969, 3 rounds); John Love (1969, 1 rounds); Jo Bonnier (1969, 2 rounds); Brian Redman (1968, 1 rounds); Jo Bonnier (1968, 1 rounds); Moisés Solana (1968, 1 rounds); Mario Andretti (1968, 1 rounds); Jim Clark (1968, 0 rounds); Bill Brack (1968, 1 rounds); Alan Rees (1967, 1 rounds); Jacky Ickx (1967, 2 rounds); Richard Attwood (1967, 0 rounds); John Taylor (1966, 0 rounds); Moisés Solana (1966, 1 rounds); Guy Ligier (1966, 4 rounds); Richie Ginther (1966, 1 rounds); Jo Bonnier (1966, 5 rounds); Chris Amon (1966, 1 rounds).

39 non-finishes: 30 mechanical, 4 accident/collision, 1 disqualified, 4 other. Reliability exposure: 6 mechanical retirements from a points-scoring grid slot (grid-position proxy, not measured points lost). Average finish and positions gained use official finishing results; pit-lane starts are excluded from grid averages.

H2H reads Siffert–teammate. Only shared official race results and available qualifying are compared; ties are shown separately.