United States Grand Prix, Austin: Saturday free practice

1. Sebastian Vettel Germany Red Bull-Renault 1m 36.733s (14 laps)
2. Mark Webber Australia Red Bull-Renault 1m 36.936s +0.203s (20 laps)
3. Lewis Hamilton Britain Mercedes-Mercedes 1m 37.064s +0.331s (22 laps)
4. Nico H?lkenberg Germany Sauber-Ferrari 1m 37.272s +0.539s (20 laps)
5. Romain Grosjean France Lotus-Renault 1m 37.345s +0.612s (20 laps)
6. Jenson Button Britain McLaren-Mercedes 1m 37.534s +0.801s (18 laps)
7. Nico Rosberg Germany Mercedes-Mercedes 1m 37.578s +0.845s (24 laps)
8. Sergio Perez Mexico McLaren-Mercedes 1m 37.583s +0.850s (19 laps)
9. Valtteri Bottas Finland Williams-Renault 1m 37.747s +1.014s (17 laps)
10. Adrian Sutil Germany Force India-Mercedes 1m 37.748s +1.015s (21 laps)
11. Fernando Alonso Spain Ferrari-Ferrari 1m 37.763s +1.030s (16 laps)
12. Esteban Guti?rrez Mexico Sauber-Ferrari 1m 37.774s +1.041s (18 laps)
13. Heikki Kovalainen Finland Lotus-Renault 1m 37.879s +1.146s (21 laps)
14. Pastor Maldonado Venezuela Williams-Renault 1m 38.022s +1.289s (16 laps)
15. Daniel Ricciardo Australia STR-Ferrari 1m 38.109s +1.376s (23 laps)
16. Paul di Resta Britain Force India-Mercedes 1m 38.275s +1.542s (22 laps)
17. Felipe Massa Brazil Ferrari-Ferrari 1m 38.408s +1.675s (17 laps)
18. Jean-Eric Vergne France STR-Ferrari 1m 38.636s +1.903s (21 laps)
19. Charles Pic France Caterham-Renault 1m 39.578s +2.845s (19 laps)
20. Giedo van der Garde Netherlands Caterham-Renault 1m 40.056s +3.323s (21 laps)
21. Jules Bianchi France Marussia-Cosworth 1m 40.825s +4.092s (21 laps)
22. Max Chilton Britain Marussia-Cosworth 1m 41.293s +4.560s (18 laps)

Total laps: 428All times unofficial