Barcelona test day four, it rained all day.
Driver
| Constructor | Time | Laps |
|---|
| Mark Webber | Red Bull Racing | 1m21.953 | 37 |
| Heikki Kovalainen | Vodafone McLaren Mercedes | 1m23.589 | 34 |
| Jenson Button | Honda Racing | 1m23.619 | 34 |
| Robert Kubica | BMW Sauber | 1m24.715 | 32 |
| Kimi Raikkonen | Ferrari | 1m24.873 | 41 |
| Jarno Trulli | Toyota | 1m24.927 | 62 |
| Nelson Piquet | Renault | 1m26.100 | 61 |
| Kazuki Nakajima | Williams | 1m32.150 | 18 |