F1 young driver test: Sebastian Vettel fastest on final day

The triple world champion took over the Red Bull from junior driver Carlos Sainz Jr for the afternoon, packing in 78 laps while evaluating the new Pirelli tyres which will be used from next weekend's Hungarian Grand Prix onwards.

Force India driver Adrian Sutil's fastest time of the morning was good enough to end the day second fastest, three-and-a-half tenths slower than Vettel.

Behind him, Lotus development driver Nicolas Prost improved his time in the afternoon to beat Sainz to third fastest.

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Ferrari simulator driver Davide Rigon took over from Felipe Massa for the afternoon, setting a time fractionally faster than the Brazilian to pip him to fifth place.

McLaren's Gary Paffett, who completed only six laps in the morning due to an engine problem, got more work done in the afternoon and ended up eight fastest, just ahead of Williams development driver Susie Wolff.

Daniil Kvyat, making his debut for Toro Rosso, completed on 22 laps of running despite an off reducing his mileage.

"Unfortunately, we lost some time when I made a mistake and ran into the gravel," he said. "I'm not sure what happened, I just felt a lack of grip at the rear from the tyres and had snap oversteer."

He ended up 11th fastest, just ahead of Charles Pic, who took the Caterham over from team-mate Giedo van der Garde in the afternoon.

Sauber debutant Kimya Sato was 13th fastest ahead of Marussia Rodolfo Gonzalez, whose running was curtailed by an off in the morning.

Jules Bianchi took over the car for the afternoon, but the Frenchman also had an early end to his day when he went off between Maggotts and Becketts as a result of a mechanical problem in the right-rear corner of the car.

The car was not heavily damaged, but with less than two hours remaining the Marussia team did not have time to get it back out again.

Force India driver James Calado also returned to the track, taking over Sutil's car late in the day and completing just five laps.

Pos Driver               Team                  Time       Gap      Laps
 1. Sebastian Vettel     Red Bull              1m32.894s           79
 2. Adrian Sutil         Force India-Mercedes  1m33.242s  +0.348s  99
 3. Nicolas Prost        Lotus-Renault         1m33.256s  +0.362s  83
 4. Carlos Sainz Jr      Red Bull-Renault      1m33.546s  +0.652s  35
 5. Davide Rigon         Ferrari               1m33.592s  +0.698s  20
 6. Felipe Massa         Ferrari               1m33.624s  +0.730s  69
 7. Jean-Eric Vergne     Toro Rosso-Ferrari    1m33.647s  +0.753s  42
 8. Gary Paffett         McLaren-Mercedes      1m34.294s  +1.400s  77
 9. Susie Wolff          Williams-Renault      1m35.093s  +2.199s  89
10. Giedo van der Garde  Caterham-Renault      1m35.155s  +2.261s  85
11. Daniil Kvyat         Toro Rosso-Ferrari    1m35.281s  +2.387s  22
12. Charles Pic          Caterham-Renault      1m35.576s  +2.682s  60
13. Kimiya Sato          Sauber-Ferrari        1m35.642s  +2.748s  67
14. Rodolfo Gonzalez     Marussia-Cosworth     1m36.339s  +3.445s  24
15. James Calado         Force India-Mercedes  1m36.451s  +3.557s   5
16. Jules Bianchi        Marussia-Cosworth     1m36.744s  +3.850s  39