2004 Formula One season Drivers and constructors Drivers and constructors

| Entrant | Constructor_ | Chassis | Engine_ | Tyre | Driver | Rounds | Free_Practice_drivers |
|---|---|---|---|---|---|---|---|
| West McLaren Mercedes | McLaren - Mercedes | MP4-19 MP4-19B | Mercedes FO 110Q | M | Kimi Räikkönen | All | N/A |
| Mild Seven Renault F1 Team | Renault | R24 | Renault RS24 | M | Jarno Trulli | 1–15 | N/A |
| Mild Seven Renault F1 Team | Renault | R24 | Renault RS24 | M | Jacques Villeneuve 3 | 16–18 | N/A |
| Mild Seven Renault F1 Team | Renault | R24 | Renault RS24 | M | Fernando Alonso | All | N/A |
| Lucky Strike BAR Honda | BAR - Honda | 006 | Honda RA004E | M | Jenson Button | All | Anthony Davidson |
| Lucky Strike BAR Honda | BAR - Honda | 006 | Honda RA004E | M | Takuma Sato | All | Anthony Davidson |
| Sauber Petronas | Sauber - Petronas | C23 | Petronas 04A | B | Giancarlo Fisichella | All | N/A |