Countdown to
000d 00h 00m 00sBarcelona, 24 Feb 2012
| Date: | Friday, 24 February 2012 |
| Session: | Day 4 (of 4) |
| Track: | Barcelona |
| Track length: | 4.655 km |
| Weather: | Sunny (Air: 9-22°C, Track: 11-27°C) |
| News article: | Barcelona day 4: Driver and team personnel quotes Kobayashi leads on day 4 in Barcelona |
Test times
| P | Driver | Constructor | Car | T | Time | Gap | Avg Speed | Laps |
| 1 | Kamui Kobayashi | Sauber-Ferrari | C31 | P | 1:22.312 | 203.591 | 144 | |
| 2 | Pastor Maldonado | Williams-Renault | FW34 | P | 1:22.561 | 0.249 | 202.977 | 134 |
| 3 | Paul di Resta | Force India-Mercedes | VJM05 | P | 1:23.119 | 0.807 | 201.615 | 101 |
| 4 | Jenson Button | McLaren-Mercedes | MP4-27 | P | 1:23.200 | 0.888 | 201.418 | 115 |
| 5 | Felipe Massa | Ferrari | F2012 | P | 1:23.563 | 1.251 | 200.543 | 103 |
| 6 | Mark Webber | Red Bull-Renault | RB8 | P | 1:23.774 | 1.462 | 200.038 | 85 |
| 7 | Jean-Éric Vergne | Toro Rosso-Ferrari | STR7 | P | 1:23.792 | 1.480 | 199.995 | 92 |
| 8 | Nico Rosberg | Mercedes | W03 | P | 1:23.843 | 1.531 | 199.874 | 139 |
| 9 | Heikki Kovalainen | Caterham-Renault | CT01 | P | 1:26.968 | 4.656 | 192.692 | 70 |