Unofficial Wednesday times from Monza:
- Michael Schumacher, Ferrari (Bridgestone), 1:20.202
- Rubens Barrichello, Ferrari (Bridgestone), 1:20.244
- Anthony Davidson, BAR (Michelin), 1:21.054
- Takuma Sato, BAR (Michelin), 1:21.458
- Juan Pablo Montoya, Williams (Michelin), 1:21.649
- Fernando Alonso, Renault (Michelin), 1:21.702
- Christian Klien, Jaguar (Michelin), 1:21.752
- David Coulthard, McLaren (Michelin), 1:21.805
- Antonio Pizzonia, Williams (Michelin), 1:21.850
- Giancarlo Fisichella, Sauber (Bridgestone), 1:22.013
- Olivier Panis, Toyota (Michelin), 1:22.100
- Jarno Trulli, Renault (Michelin), 1.22.300
- Alexander Wurz, McLaren (Michelin), 1:22.377
- Mark Webber, Jaguar (Michelin), 1:22.381
- Ryan Briscoe, Toyota (Michelin), 1:22.764
- Giorgio Pantano, Jordan (Bridgestone), 1:23.399
- Gianmaria Bruni, Minardi (Bridgestone), 1:23.449
- Bas Leinders, Minardi (Bridgestone), 1:24.441