Lewis Hamilton has finished almost half a second faster than Mercedes teammate Nico Rosberg in the third and final practice session ahead of Sunday's Belgian Grand Prix.

Rosberg was quickest during both practice sessions on Friday, but Hamilton turned the tables on Saturday morning ahead of qualifying later this afternoon.

The Ferrari duo of Sebastian Vettel and Kimi Raikkonen were third and fourth respectively, while Force India driver Sergio Perez finished in fifth spot.

Daniel Ricciardo and Daniil Kvyat completed the session in sixth and seventh place for Red Bull, but McLaren endured more problems, with Jenson Button finishing in 17th position and Fernando Alonso failing to register a time due to problems with the Spaniard's car.

Results in full:

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