Kimi Raikkonen was the fastest driver during the second practice session. he drove his quickest lap in 1:36.569 min. (lap record = 1:34.223 min).
The session started dry and in the middle of practice the track became wet and dried out again in the last laps.
Race: 2013 Malaysian F1 Grand Prix
Circuit: Sepang Circuit
Weather: dry/wet/dry
Track temperature: 33°C
Air temperature: 31°C
Wind Speed: 2.8 mps
Wind direction: South-East
Air Pressure: 1002.0 mBar
Humidity: 62%
Highest top speed: 306 km/h Kimi Raikkonen, Lotus E21
| Pos | No | Driver | Team | Lap Time | 1st Gap | Laps |
| 1 | 7 | Kimi Räikkönen | Lotus F1 | 1:36,569 | 28 | |
| 2 | 1 | Sebastian Vettel | Red Bull | 1:36,588 | 0,019 | 27 |
| 3 | 4 | Felipe Massa | Ferrari | 1:36,661 | 0,092 | 33 |
| 4 | 3 | Fernando Alonso | Ferrari | 1:36,985 | 0,416 | 23 |
| 5 | 2 | Mark Webber | Red Bull | 1:37,026 | 0,457 | 29 |
| 6 | 8 | Romain Grosjean | Lotus F1 | 1:37,206 | 0,637 | 26 |
| 7 | 9 | Nico Rosberg | Mercedes | 1:37,448 | 0,879 | 32 |
| 8 | 14 | Paul di Resta | Force India | 1:37,571 | 1,002 | 30 |
| 9 | 10 | Lewis Hamilton | Mercedes | 1:37,574 | 1,005 | 32 |
| 10 | 15 | Adrian Sutil | Force India | 1:37,788 | 1,219 | 10 |
| 11 | 6 | Sergio Pérez | McLaren | 1:37,838 | 1,269 | 21 |
| 12 | 5 | Jenson Button | McLaren | 1:37,865 | 1,296 | 29 |
| 13 | 11 | Nico Hülkenberg | Sauber | 1:38,068 | 1,499 | 31 |
| 14 | 12 | Esteban Gutierrez | Sauber | 1:38,645 | 2,076 | 23 |
| 15 | 18 | Jean-Eric Vergne | Toro Rosso | 1:38,738 | 2,169 | 31 |
| 16 | 16 | Pastor Maldonado | Williams | 1:38,801 | 2,232 | 27 |
| 17 | 19 | Daniel Ricciardo | Toro Rosso | 1:38,904 | 2,335 | 31 |
| 18 | 22 | Jules Bianchi | Marussia | 1:39,508 | 2,939 | 30 |
| 19 | 17 | Valtteri Bottas | Williams | 1:39,660 | 3,091 | 28 |
| 20 | 20 | Charles Pic | Caterham | 1:40,757 | 4,188 | 29 |
| 21 | 21 | Giedo van der Garde | Caterham | 1:40,768 | 4,199 | 32 |
| 22 | 23 | Max Chilton | Marussia | 1:41,438 | 4,869 | 23 |