Mark Webber topped the time table this 1st practice for the 2013 Malaysian F1 GP.
Race: 2013 Malaysian F1 Grand Prix
Circuit: Sepang Circuit
Weather: Dry
Track temperature: 37°C
Air temperature: 33°C
Wind Speed: 2.1 mps
Wind direction: West
Air Pressure: 1014.6 mBar
Humidity: 68%
| Pos | No | Driver | Team | Lap Time | 1st Gap | Laps |
| 1 | 2 | Mark Webber | Red Bull | 1:36,935 | 15 | |
| 2 | 7 | Kimi Räikkönen | Lotus F1 | 1:37,003 | 0,068 | 15 |
| 3 | 1 | Sebastian Vettel | Red Bull | 1:37,104 | 0,169 | 21 |
| 4 | 3 | Fernando Alonso | Ferrari | 1:37,319 | 0,384 | 13 |
| 5 | 9 | Nico Rosberg | Mercedes | 1:37,588 | 0,653 | 19 |
| 6 | 15 | Adrian Sutil | Force India | 1:37,769 | 0,834 | 17 |
| 7 | 4 | Felipe Massa | Ferrari | 1:37,771 | 0,836 | 15 |
| 8 | 14 | Paul di Resta | Force India | 1:37,773 | 0,838 | 15 |
| 9 | 10 | Lewis Hamilton | Mercedes | 1:37,840 | 0,905 | 18 |
| 10 | 8 | Romain Grosjean | Lotus F1 | 1:37,915 | 0,980 | 17 |
| 11 | 5 | Jenson Button | McLaren | 1:38,173 | 1,238 | 16 |
| 12 | 16 | Pastor Maldonado | Williams | 1:38,673 | 1,738 | 16 |
| 13 | 6 | Sergio Pérez | McLaren | 1:38,830 | 1,895 | 17 |
| 14 | 11 | Nico Hülkenberg | Sauber | 1:39,054 | 2,119 | 17 |
| 15 | 12 | Esteban Gutierrez | Sauber | 1:39,204 | 2,269 | 16 |
| 16 | 17 | Valtteri Bottas | Williams | 1:39,208 | 2,273 | 19 |
| 17 | 18 | Jean-Eric Vergne | Toro Rosso | 1:39,284 | 2,349 | 17 |
| 18 | 19 | Daniel Ricciardo | Toro Rosso | 1:39,567 | 2,632 | 16 |
| 19 | 21 | Giedo van der Garde | Caterham | 1:40,728 | 3,793 | 17 |
| 20 | 22 | Jules Bianchi | Marussia | 1:40,996 | 4,061 | 14 |
| 21 | 20 | Charles Pic | Caterham | 1:41,163 | 4,228 | 18 |
| 22 | 23 | Max Chilton | Marussia | 1:41,513 | 4,578 | 14 |