1973 Formula One season Championship drivers and constructors Championship drivers and constructors

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| Clarke-Mordaunt-Guthrie Racing Team Pierre Robert | March - Ford | 721G 731 | Ford Cosworth DFV 3.0 V8 | F G | Mike Beuttler | 1-7, 9-15 |
| Clarke-Mordaunt-Guthrie Racing Team Pierre Robert | March - Ford | 721G 731 | Ford Cosworth DFV 3.0 V8 | F G | Reine Wisell | 7-8 |
| STP March Racing Team | March - Ford | 721G 731 | Ford Cosworth DFV 3.0 V8 | G | Jean-Pierre Jarier | 1-3, 5-8, 12, 14-15 |
| STP March Racing Team | March - Ford | 721G 731 | Ford Cosworth DFV 3.0 V8 | G | Henri Pescarolo | 4 |
| STP March Racing Team | March - Ford | 721G 731 | Ford Cosworth DFV 3.0 V8 | G | Roger Williamson | 9-10 |
| Brooke Bond Oxo Team Surtees | Surtees - Ford | TS9A TS9B TS14A | Ford Cosworth DFV 3.0 V8 | F | Mike Hailwood | All |