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

| Entrant | Constructor_ | Chassis | Engine | Tyre | Driver | Rounds |
|---|---|---|---|---|---|---|
| UOP Shadow Racing Team | Shadow - Ford | DN1 | Ford Cosworth DFV 3.0 V8 | G | George Follmer | 3-15 |
| UOP Shadow Racing Team | Shadow - Ford | DN1 | Ford Cosworth DFV 3.0 V8 | G | Brian Redman | 15 |
| Scribante Lucky Strike Racing | Lotus - Ford | 72D | Ford Cosworth DFV 3.0 V8 | F | Dave Charlton | 3 |
| Blignaut Lucky Strike Racing | Tyrrell - Ford | 004 | Ford Cosworth DFV 3.0 V8 | G | Eddie Keizan | 3 |
| Embassy Racing | Shadow - Ford | DN1 | Ford Cosworth DFV 3.0 V8 | G | Graham Hill | 4-15 |
| Martini Racing Team | Tecno | PA123/6 | Tecno Series-P 3.0 F12 | F | Chris Amon | 5-6, 9-10, 12 |
| LEC Refrigeration Racing | March - Ford | 731 | Ford Cosworth DFV 3.0 V8 | G | David Purley | 6, 9-11, 13 |