Sebastian Vettel led team mate Mark Webber in a Red Bull one-two in Friday afternoon’s second practice session for the 2013 Formula 1 United States Grand Prix.

The world champion set a best time of 1m 37.305 on the medium compound tyre to finish 0.115s ahead of Webber. The Mercedes duo of Nico Rosberg and Lewis Hamilton were third and fourth fastest.

Pos.DriversTeamsTimeLaps
01.Deutschland Sebastian VettelRed Bull Racing1:37.30535
02.Australia Mark WebberRed Bull Racing1:37.42037
03.Deutschland Nico Rosberg Mercedes AMG Petronas1:37.78538
04.United Kingdom Lewis Hamilton Mercedes AMG Petronas1:37.95838
05.Finland Heikki KovalainenLotus F11:38.07341
06.Mexico Esteban GutiƩrrezSauber F11:38.22940
07.Deutschland Nico HulkenbergSauber F11:38.25440
08.France Romain GrosjeanLotus F11:38.25533
09.United Kingdom Jenson ButtonVodafone McLaren Mercedes1:38.26934
10.Spain Fernando AlonsoScuderia Ferrari1:38.46133
11.Deutschland Adrian SutilSahara Force India1:38.71931
12.Brazil Felipe MassaScuderia Ferrari1:38.93837
13.Mexico Sergio PerezVodafone McLaren Mercedes1:38.94131
14.Australia Daniel RicciardoScuderia Toro Rosso1:39.24628
15.United Kingdom Paul di RestaSahara Force India1:39.41034
16.Finland Valtteri BottasWilliams F11:39.51237
17.France Jean-Eric VergneScuderia Toro Rosso1:39.57936
18.Venezuela Pastor MaldonadoWilliams F11:43.56533
19.France Charles PicCaterham F1 Team1:40.37639
20.Holland Giedo van der GardeCaterham F1 Team1:40.56335
21. United Kingdom Max ChiltonMarussia F11:46.22631
22. France Jules BianchiMarussia F11:46.22620