Hamilton tops both Friday practice sessions in Korea
Sebastian Vettel was 0.108 seconds behind Hamilton in second place.
He denied Mercedes a one-two, with Vettel edging Nico Rosberg by 0.016s.
Mark Webber was fourth, within 0.063s of its sister car.
Felipe Massa finished two places ahead of teammate Fernando Alonso.
Results
Pos | Driver | Team | Time | Behind | Laps |
1 | Lewis Hamilton | Mercedes | 1m38.673s | +0.000s | 31 |
2 | Sebastian Vettel | Red Bull-Renault | 1m38.781s | +0.108s | 30 |
3 | Nico Rosberg | Mercedes | 1m38.797s | +0.124s | 32 |
4 | Mark Webber | Red Bull-Renault | 1m38.844s | +0.171s | 35 |
5 | Felipe Massa | Ferrari | 1m39.114s | +0.441s | 30 |
6 | Romain Grosjean | Lotus-Renault | 1m39.226s | +0.553s | 34 |
7 | Fernando Alonso | Ferrari | 1m39.444s | +0.771s | 31 |
8 | Kimi Raikkonen | Lotus-Renault | 1m39.757s | +1.084s | 33 |
9 | Jenson Button | McLaren-Mercedes | 1m39.774s | +1.101s | 29 |
10 | Adrian Sutil | Force India-Mercedes | 1m40.006s | +1.333s | 34 |
11 | Paul di Resta | Force India-Mercedes | 1m40.007s | +1.334s | 34 |
12 | Sergio Perez | McLaren-Mercedes | 1m40.152s | +1.479s | 31 |
13 | Esteban Gutierrez | Sauber-Ferrari | 1m40.186s | +1.513s | 33 |
14 | Nico Hulkenberg | Sauber-Ferrari | 1m40.210s | +1.537s | 34 |
15 | Jean-Eric Vergne | Toro Rosso-Ferrari | 1m40.446s | +1.773s | 30 |
16 | Daniel Ricciardo | Toro Rosso-Ferrari | 1m40.552s | +1.879s | 26 |
17 | Pastor Maldonado | Williams-Renault | 1m41.117s | +2.444s | 35 |
18 | Valtteri Bottas | Williams-Renault | 1m41.289s | +2.616s | 34 |
19 | Giedo van der Garde | Caterham-Renault | 1m42.461s | +3.788s | 36 |
20 | Charles Pic | Caterham-Renault | 1m42.798s | +4.125s | 35 |
21 | Jules Bianchi | Marussia-Cosworth | 1m43.108s | +4.435s | 31 |
22 | Max Chilton | Marussia-Cosworth | 1m43.441s | +4.768s | 29 |