USGP: Vettel remains perfect, tops final practice
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| Sebastian Vettel |
Red Bull's Sebastian Vettel kept his record perfect this weekend at the Circuit of Americas by topping Lewis Hamilton to lead the final practice session for the USGP. Vettel's lap of 1m36.490s was 0.258s clear of Hamilton's McLaren.
Pastor Maldonado put his Williams third on the charts with a spectacular on-the-limit lap ahead of Fernando Alonso's Ferrari.
Nico Rosberg was fifth for Mercedes, ahead of the second Ferrari of Felipe Massa in sixth with Mark Webber seventh in the second Red Bull.
Results
| Pos | Driver | Car/Engine | Time | Behind | Laps |
| 1. | Sebastian Vettel | Red Bull-Renault | 1m36.490s | +0.000s | 18 |
| 2. | Lewis Hamilton | McLaren-Mercedes | 1m36.748s | +0.258s | 20 |
| 3. | Pastor Maldonado | Williams-Renault | 1m37.001s | +0.511s | 21 |
| 4. | Fernando Alonso | Ferrari-Ferrari | 1m37.180s | +0.690s | 21 |
| 5. | Nico Rosberg | Mercedes-Mercedes | 1m37.247s | +0.757s | 24 |
| 6. | Felipe Massa | Ferrari-Ferrari | 1m37.262s | +0.772s | 27 |
| 7. | Mark Webber | Red Bull-Renault | 1m37.298s | +0.808s | 18 |
| 8. | Sergio Perez | Sauber-Ferrari | 1m37.415s | +0.925s | 20 |
| 9. | Nico Hulkenberg | Force India-Mercedes | 1m37.495s | +1.005s | 20 |
| 10. | Jenson Button | McLaren-Mercedes | 1m37.538s | +1.048s | 20 |
| 11. | Bruno Senna | Williams-Renault | 1m37.569s | +1.079s | 21 |
| 12. | Michael Schumacher | Mercedes-Mercedes | 1m37.760s | +1.270s | 21 |
| 13. | Kimi Raikkonen | Lotus-Renault | 1m37.765s | +1.275s | 26 |
| 14. | Kamui Kobayashi | Sauber-Ferrari | 1m37.953s | +1.463s | 23 |
| 15. | Daniel Ricciardo | Toro Rosso-Ferrari | 1m38.547s | +2.057s | 23 |
| 16. | Paul di Resta | Force India-Mercedes | 1m38.653s | +2.163s | 22 |
| 17. | Romain Grosjean | Lotus-Renault | 1m38.753s | +2.263s | 11 |
| 18. | Jean-Eric Vergne | Toro Rosso-Ferrari | 1m39.689s | +3.199s | 12 |
| 19. | Timo Glock | Marussia-Cosworth | 1m40.407s | +3.917s | 23 |
| 20. | Vitaly Petrov | Caterham-Renault | 1m40.753s | +4.263s | 19 |
| 21. | Heikki Kovalainen | Caterham-Renault | 1m41.011s | +4.521s | 19 |
| 22. | Charles Pic | Marussia-Cosworth | 1m41.466s | +4.976s | 19 |
| 23. | Pedro de la Rosa | HRT-Cosworth | 1m43.563s | +7.073s | 21 |
| 24. | Narain Karthikeyan | HRT-Cosworth | 1m44.043s | +7.553s | 23 |