Sebastian Vettel has topped the final practice at the Singapore Grand Prix with a strong finish at the end.

The three-time world champion moved up from his fifth-place finish in the previous session and completed the practice with a time of 1:45.682.

Kimi Raikkonen maintained his place in second after finishing less than half a second behind his teammate.

Red Bull's Daniil Kvyat was just 35 hundredths behind Raikkonen while Daniel Ricciardo claimed fourth.

Both Lewis Hamilton and Nico Rosberg struggled to keep up with the pace of the Ferrari and Red Bull yet again as they finished with times of 1:46.802 and 1:47.223 respectively.

McLaren continued to show progress as Fernando Alonso finished seventh while his teammate Jenson Button moved up one place to 13th.

Williams's difficult start to the weekend continued as Valtteri Bottas finished 11th and Felipe Massa 14th.

1. Sebastian Vettel (Ferrari)
2. Kimi Raikkonen (Ferrari)
3. Daniil Kyvat (Red Bull)
4. Daniel Ricciardo (Red Bull)
5. Lewis Hamilton (Mercedes)
6. Nico Rosberg (Mercedes)
7. Fernando Alonso (McLaren)
8. Carlos Sainz Jr (Torro Rosso)
9. Max Verstappen (Torro Rosso)
10. Marcus Ericsson (Sauber)
11. Valtteri Bottas (Williams)
12. Nico Hulkenberg (Force India)
13. Jenson Button (McLaren)
14. Filpe Massa (Williams)
15. Pastor Maldonado (Lotus)
16. Sergio Perez (Force India)
17. Romain Grosjean (Lotus)
18. Felipe Nasr (Sauber)
19. Alexander Rossi (Marussia)
20. Will Stevens (Marussia)