Nico Rosberg has topped the timesheets in the final practice session ahead of qualifying for the Mexican Grand Prix.
The German finished 0.014seconds faster than world champion Lewis Hamilton, but the top 10 all ended the session within a second of each other.
Daniel Ricciardo and Sebastian Vettel recorded the third and fourth fastest times respectively, while Ricciardo's Red Bull teammate Daniil Kvyat finished fifth.
Home favourite Sergio Perez was only 0.520seconds behind Rosberg and will hope to deliver a strong performance in qualifying.
Rosberg was also fastest during second practice on Friday, which was affected by rain.
Full standings:
1. Nico Rosberg
2. Lewis Hamilton
3. Daniel Ricciardo
4. Sebastian Vettel
5. Daniil Kvyat
6. Sergio Perez
7. Valtteri Bottas
8. Carlos Sainz Jr.
9. Felipe Massa
10. Nico Hulkenberg
11. Max Verstappen
12. Pastor Maldonado
13. Romain Grosjean
14. Marcus Ericsson
15. Fernando Alonso
16. Felipe Nasr
17. Kimi Raikkonen
18. Will Stevens
19. Alexander Rossi
20. Jenson Button
