Valtteri Bottas a été le plus rapide de la première séance d’essais libres en Espagne. Sebsastian Vettel a fait le 2e temps. On retrouve ensuite Charles Leclerc et Lewis Hamilton. Romain Grosjean est 5e et Carlos Sainz a fait le 6e temps.
| Pos | No | Pilote | Équipe | Temps | Écart | Tours |
|---|---|---|---|---|---|---|
| 1 | 77 | Valtteri Bottas | Mercedes | 1:17.951 | 19 | |
| 2 | 5 | Sebastian Vettel | Ferrari | 1:18.066 | +0.115s | 20 |
| 3 | 16 | Charles Leclerc | Ferrari | 1:18.172 | +0.221s | 20 |
| 4 | 44 | Lewis Hamilton | Mercedes | 1:18.575 | +0.624s | 22 |
| 5 | 8 | Romain Grosjean | Haas Ferrari | 1:18.943 | +0.992s | 25 |
| 6 | 55 | Carlos Sainz | McLaren Renault | 1:19.155 | +1.204s | 31 |
| 7 | 20 | Kevin Magnussen | Haas Ferrari | 1:19.180 | +1.229s | 27 |
| 8 | 10 | Pierre Gasly | Red Bull Racing Honda | 1:19.285 | +1.334s | 30 |
| 9 | 26 | Daniil Kvyat | Scuderia Toro Rosso Honda | 1:19.364 | +1.413s | 34 |
| 10 | 27 | Nico Hulkenberg | Renault | 1:19.450 | +1.499s | 25 |
| 11 | 3 | Daniel Ricciardo | Renault | 1:19.511 | +1.560s | 24 |
| 12 | 33 | Max Verstappen | Red Bull Racing Honda | 1:19.844 | +1.893s | 14 |
| 13 | 18 | Lance Stroll | Racing Point BWT Mercedes | 1:19.855 | +1.904s | 28 |
| 14 | 99 | Antonio Giovinazzi | Alfa Romeo Racing Ferrari | 1:20.021 | +2.070s | 28 |
| 15 | 23 | Alexander Albon | Scuderia Toro Rosso Honda | 1:20.030 | +2.079s | 25 |
| 16 | 4 | Lando Norris | McLaren Renault | 1:20.066 | +2.115s | 33 |
| 17 | 11 | Sergio Perez | Racing Point BWT Mercedes | 1:20.459 | +2.508s | 26 |
| 18 | 7 | Kimi Räikkönen | Alfa Romeo Racing Ferrari | 1:20.591 | +2.640s | 22 |
| 19 | 88 | Robert Kubica | Williams Mercedes | 1:20.889 | +2.938s | 27 |
| 20 | 63 | George Russell | Williams Mercedes | 1:20.990 | +3.039s | 23 |