Para pebalap akan bersaing dalam perebutan posisi start pada sesi kualifikasi, Sabtu mulai pukul 14.00 waktu setempat (19.00 WIB).
Berikut hasil latihan ketiga GP Spanyol.
1. Kimi Raikkonen FIN Ferrari - Ferrari 1m 20.214s
2. Sebastian Vettel GER Ferrari - Ferrari 1m 20.456s
3. Lewis Hamilton GBR Mercedes - Mercedes 1m 20.595s
4. Valtteri Bottas FIN Mercedes - Mercedes 1m 20.868s
5. Max Verstappen NED Red Bull - TAG 1m 21.025s
6. Daniel Ricciardo AUS Red Bull - TAG 1m 21.249s
7. Nico Hulkenberg GER Renault - Renault 1m 21.670s
8. Felipe Massa BRA Williams - Mercedes 1m 21.746s
9. Carlos Sainz ESP Toro Rosso-Renault 1m 21.835s
10. Fernando Alonso ESP McLaren-Honda 1m 22.093s
11. Romain Grosjean FRA Haas-Ferrari 1m 22.128s
12. Kevin Magnussen DEN Haas-Ferrari 1m 22.214s
13. Sergio Perez MEX Force India-Mercedes 1m 22.237s
14. Esteban Ocon FRA Force India-Mercedes 1m 22.297s
15. Daniil Kvyat RUS Toro Rosso-Renault 1m 22.391s
16. Marcus Ericsson SWE Sauber - Ferrari 1m 22.513s
17. Lance Stroll CAN Williams - Mercedes 1m 22.574s
18. Jolyon Palmer GBR Renault - Renault 1m 22.755s
19. Stoffel Vandoorne BEL McLaren-Honda 1m 22.853s
20. Pascal Wehrlein GER Sauber - Ferrari 1m 22.974s