No constructors' championship this season (introduced in 1958).
| Rd | Grand Prix | Date | Pole | Winner | Team |
|---|---|---|---|---|---|
| 1 | Argentine Grand Prix | 16 Jan 1955 | Maurice Trintignant | Juan Fangio | Mercedes |
| 2 | Monaco Grand Prix | 22 May 1955 | Juan Fangio | Maurice Trintignant | Ferrari |
| 3 | Indianapolis 500 | 30 May 1955 | Jerry Hoyt | Bob Sweikert | Kurtis Kraft |
| 4 | Belgian Grand Prix | 5 Jun 1955 | Eugenio Castellotti | Juan Fangio | Mercedes |
| 5 | Dutch Grand Prix | 19 Jun 1955 | Juan Fangio | Juan Fangio | Mercedes |
| 6 | British Grand Prix | 16 Jul 1955 | Stirling Moss | Stirling Moss | Mercedes |
| 7 | Italian Grand Prix | 11 Sept 1955 | Juan Fangio | Juan Fangio | Mercedes |
Driver changes this season: Connaught, Ferrari, Gordini, Kurtis Kraft, Kuzma, Lancia, Maserati, Mercedes, Vanwall
| Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts |
|---|---|---|---|---|---|---|---|---|
| Piotti #46 | 0 |
| Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts |
|---|---|---|---|---|---|---|---|---|
| Trintignant #10/12/14/44/4/18/8 | 11.3 | |||||||
| Farina #10/12/42/2 | 10.3 | |||||||
| Maglioli #10/12 | 1.3 | |||||||
| González #12 Left mid-season | 2 | |||||||
| Frère #48/6 Stand-in | 3 | |||||||
| Schell #46/4 Stand-in | 0 | |||||||
| Taruffi #48 Stand-in | 0 | |||||||
| Castellotti #6/16/20/4 Joined mid-season | 6 | |||||||
| Hawthorn #2/16/6 Joined mid-season | 0 | |||||||
| Claes #30 Stand-in | 0 | |||||||
| Villoresi #10 Joined mid-season | 0 |
| Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts |
|---|---|---|---|---|---|---|---|---|
| Agabashian #14 | 0 | |||||||
| Bettenhausen #10 | 3 | |||||||
| Boyd #39 | 0 | |||||||
| O'Connor #29 | 0 | |||||||
| Cross #99 | 0 | |||||||
| Davies #15 | 4 | |||||||
| Daywalt #48 | 0 | |||||||
| Elisian #68 | 0 | |||||||
| Faulkner #77 | 1 | |||||||
| Flaherty #89 | 0 | |||||||
| Hanks #8 | 0 | |||||||
| Herman #71 | 0 | |||||||
| Homeier #77 | 1 | |||||||
| Keller #42 | 0 | |||||||
| Linden #19 | 0 | |||||||
| McGrath #3 | 0 | |||||||
| Niday #22 | 0 | |||||||
| Parsons #16 | 0 | |||||||
| Russo #10 | 3 | |||||||
| Crawford #49 | 0 | |||||||
| Sweikert #6 | 8 | |||||||
| Vukovich #4 | 1 | |||||||
| Weyant #41 | 0 |
| Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts |
|---|---|---|---|---|---|---|---|---|
| Castellotti #36/30 | 6 | |||||||
| Ascari #32/26 Left mid-season | 0 | |||||||
| Villoresi #34/36/28 Left mid-season | 2 | |||||||
| Chiron #32 Stand-in | 0 |
| Driver | 1 | 2 | 3 | 4 | 5 | 6 | 7 | Pts |
|---|---|---|---|---|---|---|---|---|
| Behra #16/20/28/34/40/24/14/2/36 | 6 | |||||||
| Mieres #18/36/24/16/6/28 | 7 | |||||||
| Musso #20/22/38/18/4/30 | 6 | |||||||
| Menditeguy #24/26/34 | 2 | |||||||
| Bucci #26 Left mid-season | 0 | |||||||
| Mantovani #20/22 Left mid-season | 0 | |||||||
| Schell #22/26/28 Left mid-season | 0 | |||||||
| Uria #30 Left mid-season | 0 | |||||||
| Rosier #14/28 Stand-in | 0 | |||||||
| Perdisa #34/40/26 Stand-in | 2 | |||||||
| Claes #38 Stand-in | 0 | |||||||
| Gould #32/48/38 Joined mid-season | 0 | |||||||
| Walker #26 Stand-in | 0 | |||||||
| Collins #42/32 Joined mid-season | 0 | |||||||
| Macklin #46 Stand-in | 0 | |||||||
| Salvadori #44 Stand-in | 0 | |||||||
| Simon #8 Stand-in | 0 | |||||||
| Fitch #40 Joined mid-season | 0 |