Nico Rosberg edged his Mercedes team-mate Lewis Hamilton by just 0.014s during final practice for the Mexican Grand Prix.
Red Bull remain in the chase with the Mexican circuit suiting their RB11 chassis as Daniel Ricciardo posted the third quickest time, just a tenth off Rosberg.
Meanwhile Ferrari’s Sebastian Vettel posted the fourth quickest time, just two-tenths down on Rosberg.
Kimi Raikkonen and Jenson Button suffered engine troubles. Both were forced to pull out of the session early, with Raikkonen coming to a smokey stop by the side of the track.
2015 Mexican Grand Prix Practice Times (FP3):
| # | Driver | Team | Time | Gap | Lap |
| 01 | Nico Rosberg | Mercedes | 1:21.083 | 23 | |
| 02 | Lewis Hamilton | Mercedes | 1:21.097 | 0.014 | 23 |
| 03 | Daniel Ricciardo | Red Bull | 1:21.201 | 0.118 | 21 |
| 04 | Sebastian Vettel | Ferrari | 1:21.294 | 0.211 | 24 |
| 05 | Daniil Kvyat | Red Bull | 1:21.530 | 0.447 | 27 |
| 06 | Sergio Perez | Force India | 1:21.603 | 0.520 | 27 |
| 07 | Valtteri Bottas | Williams | 1:21.772 | 0.689 | 26 |
| 08 | Carlos Sainz | Toro Rosso | 1:21.775 | 0.692 | 28 |
| 09 | Felipe Massa | Williams | 1:21.945 | 0.862 | 27 |
| 10 | Nico Hulkenberg | Force India | 1:22.010 | 0.927 | 25 |
| 11 | Max Verstappen | Toro Rosso | 1:22.039 | 0.956 | 31 |
| 12 | Pastor Maldonado | Lotus | 1:22.042 | 0.959 | 21 |
| 13 | Romain Grosjean | Lotus | 1:22.184 | 1.101 | 24 |
| 14 | Marcus Ericsson | Sauber | 1:22.871 | 1.788 | 30 |
| 15 | Fernando Alonso | McLaren | 1:23.065 | 1.982 | 26 |
| 16 | Felipe Nasr | Sauber | 1:23.067 | 1.984 | 23 |
| 17 | Kimi Raikkonen | Ferrari | 1:24.648 | 3.565 | 4 |
| 18 | Will Stevens | Manor | 1:25.654 | 4.571 | 20 |
| 19 | Alexander Rossi | Manor | 1:28.176 | 7.093 | 8 |
| 20 | Jenson Button | McLaren | 1:29.336 | 8.253 | 4 |
