Spanish GP starting car weights

– Lightest car: Fernando Alonso / Renault – 8th – 645.0kg
– Heaviest car: Lewis Hamilton / McLaren – 14th – 683.0kg

Post-qualifying car weights:

1 – Jenson Button / Brawn = 646.0kg *
2 – Sebastian Vettel / Red Bull = 651.5kg **
3 – Rubens Barrichello / Brawn = 649.5kg
4 – Felipe Massa / Ferrari = 655.0kg *
5 – Mark Webber / Red Bull = 651.5kg **
6 – Timo Glock / Toyota = 646.5kg *
7 – Jarno Trulli / Toyota = 655.5kg
8 – Fernando Alonso / Renault = 645.0kg *
9 – Nico Rosberg / Williams = 668.0kg *
10 – Robert Kubica / BMW = 660.0kg *
11 – Kazuki Nakajima / Williams = 676.6kg
12 – Nelson Piquet / Renault = 677.4kg
13 – Nick Heidfeld / BMW = 676.3kg
14 – Lewis Hamilton / McLaren = 683.0kg
15 – Sébastien Buemi / Toro Rosso = 678.0kg
16 – Kimi Räikkönen / Ferrari = 673.0kg
17 – Sébastien Bourdais / Toro Rosso = 669.0kg *
18 – Heikki Kovalainen / McLaren = 657.0kg *
19 – Adrian Sutil / Force India = 675.0kg
20 – Giancarlo Fisichella / Force India = 656.0kg *

* Lightest of the team's two cars (first to pit in normal circumstances)
** Identical fuel load to team-mate

Note: Race entrants are displayed in provisional grid order