Sebastian Vettel led Mark Webber to a Red Bull one-two in second practice at the United States Grand Prix.The German, crowned world champion two races ago, beat Webber by 0.115 seconds, with Mercedes’ Nico Rosberg third from team-mate Lewis Hamilton.
Lotus’s Heikki Kovalainen was fifth, from the Saubers of Esteban Gutierrez and Nico Hulkenberg and team-mate Romain Grosjean. McLaren’s Jenson Button was ninth ahead of Ferrari’s Fernando Alonso.
Button has been given a three-place grid penalty for ignoring red flags in the first session on Friday morning in Austin.
Pos Driver Team Time Gap 1. Sebastian Vettel Red Bull-Renault 1m37.305s 2. Mark Webber Red Bull-Renault 1m37.420s +0.115s 3. Nico Rosberg Mercedes 1m37.785s +0.480s 4. Lewis Hamilton Mercedes 1m37.958s +0.653s 5. Heikki Kovalainen Lotus-Renault 1m38.073s +0.768s 6. Esteban Gutierrez Sauber-Ferrari 1m38.229s +0.924s 7. Nico Hulkenberg Sauber-Ferrari 1m38.254s +0.949s 8. Romain Grosjean Lotus-Renault 1m38.255s +0.950s 9. Jenson Button McLaren-Mercedes 1m38.269s +0.964s 10. Fernando Alonso Ferrari 1m38.461s +1.156s 11. Adrian Sutil Force India-Mercedes 1m38.719s +1.414s 12. Felipe Massa Ferrari 1m38.938s +1.633s 13. Sergio Perez McLaren-Mercedes 1m38.941s +1.636s 14. Daniel Ricciardo Toro Rosso-Ferrari 1m39.246s +1.941s 15. Paul di Resta Force India-Mercedes 1m39.410s +2.105s 16. Valtteri Bottas Williams-Renault 1m39.512s +2.207s 17. Jean-Eric Vergne Toro Rosso-Ferrari 1m39.579s +2.274s 18. Pastor Maldonado Williams-Renault 1m39.784s +2.479s 19. Charles Pic Caterham-Renault 1m40.376s +3.071s 20. Giedo van der Garde Caterham-Renault 1m40.563s +3.258s 21. Max Chilton Marussia-Cosworth 1m46.226s +8.921s 22. Jules Bianchi Marussia-Cosworth 1m47.009s +9.704s