Rubens Barrichello was the lightest fuelled car in Q3 and will in fact start the Belgian Grand Prix will the least fuel of anybody on Sunday. The FIA-published figures therefore prove that Giancarlo Fisichella's pole position was not simply due to carrying a light fuel load. Nico Rosberg's Williams is the heaviest top ten car.

- Lightest car: Rubens Barrichello / Brawn - 4th - 644.5kg
- Heaviest car: Kazuki Nakajima / Williams - 18th - 706.1kg


Post-qualifying car weights:

1 - Giancarlo Fisichella / Force India = 648.0kg *
2 - Jarno Trulli / Toyota = 656.5kg
3 - Nick Heidfeld / BMW = 655.0kg
4 - Rubens Barrichello / Brawn = 644.5kg *
5 - Robert Kubica / BMW = 649.0kg *
6 - Kimi Räikkönen / Ferrari = 655.0kg *
7 - Timo Glock / Toyota = 648.5kg *
8 - Sebastian Vettel / Red Bull = 662.5kg
9 - Mark Webber / Red Bull = 658.0kg *
10 - Nico Rosberg / Williams = 670.0kg *
11 - Adrian Sutil / Force India = 678.5kg
12 - Lewis Hamilton / McLaren = 693.5kg *
13 - Fernando Alonso / Renault = 684.4kg *
14 - Jenson Button / Brawn = 694.2kg
15 - Heikki Kovalainen / McLaren = 697.0kg
16 - Sébastien Buemi / Toro Rosso = 685.0kg *
17 - Jaime Alguersuari / Toro Rosso = 704.5kg
18 - Kazuki Nakajima / Williams = 706.1kg
19 - Romain Grosjean / Renault = 704.7kg
20 - Luca Badoer / Ferrari = 691.5kg


* Lightest of the team's two cars (first to pit under normal circumstances)

Note: Race entrants are displayed in provisional grid order