| Date: | Thursday, 28 August 2008 |
| Session: | Day 2 (of 3) |
| Track: | Monza |
| Track length: | 5.793 km |
| Weather: | Sunny (Air: 23-30°C, Track: 25-42°C) |
| News article: | Monza: Heidfeld takes over on day 2 Monza: Day 2 team test notes |
| P | Driver | Constructor | Car | T | Time | Gap | Avg Speed | Laps |
| 1 | Nick Heidfeld | BMW Sauber-BMW | F1.08 | B | 1:22.621 | 252.415 | 89 | |
| 2 | Nico Rosberg | Williams-Toyota | FW30 | B | 1:22.879 | 0.258 | 251.629 | 100 |
| 3 | Heikki Kovalainen | McLaren-Mercedes | MP4-23 | B | 1:23.341 | 0.720 | 250.235 | 92 |
| 4 | Sebastian Vettel | Toro Rosso-Ferrari | STR3 | B | 1:23.424 | 0.803 | 249.986 | 47 |
| 5 | Felipe Massa | Ferrari | F2008 | B | 1:23.445 | 0.824 | 249.923 | 86 |
| 6 | Fernando Alonso | Renault | R28 | B | 1:23.606 | 0.985 | 249.441 | 95 |
| 7 | Adrian Sutil | Force India-Ferrari | VJM01 | B | 1:23.823 | 1.202 | 248.796 | 92 |
| 8 | Mark Webber | Red Bull-Renault | RB4 | B | 1:23.936 | 1.315 | 248.461 | 101 |
| 9 | Jarno Trulli | Toyota | TF108 | B | 1:24.158 | 1.537 | 247.805 | 77 |
| 10 | Sébastien Bourdais | Toro Rosso-Ferrari | STR3 | B | 1:24.311 | 1.690 | 247.356 | 44 |
| 11 | Rubens Barrichello | Honda | RA108 | B | 1:24.695 | 2.074 | 246.234 | 51 |
| 12 | Jenson Button | Honda | RA108 | B | 1:25.049 | 2.428 | 245.209 | 42 |