Je za nami posledný deň testov na okruhu Jerez de la Frontera. Dnes bol najrýchlejší Rubens Barrichello na monoposte Williams.
Výsledky 4. dňa testov:
| Pozícia | Jazdec | Tím | Čas | Strata | Kolá |
| 1. | Rubens Barrichello | Williams-Cosworth | 1,19.832 | - | 103 |
| 2. | Kamuj Kobajaši | Sauber-Ferrari | 1,20.601 | 0.769 | 86 |
| 3. | Fernando Alonso | Ferrari | 1,21.074 | 1.242 | 115 |
| 4. | Sebastien Buemi | Toro Rosso-Ferrari | 1,21.213 | 1.381 | 90 |
| 5. | Bruno Senna | Renault | 1,21.400 | 1.568 | 68 |
| 6. | Heikki Kovalainen | Lotus-Renault | 1,21.632 | 1.800 | 43 |
| 7. | Nico Rosberg | Mercedes | 1,22.103 | 2.271 | 45 |
| 8. | Sebastian Vettel | Red Bull-Renault | 1,22.222 | 2.390 | 90 |
| 9. | Jenson Button | McLaren-Mercedes | 1,22.278 | 2.446 | 70 |
| 10. | Jerome D'Ambrosio | Virgin-Cosworth | 1,22.985 | 3.153 | 45 |
| 11. | Paul di Resta | Force India-Mercedes | 1,23.111 | 3.279 | 99 |
