Lewis Hamilton (Mercedes) a été le plus rapide de la première séance d’essais libres en Espagne. Valtteri Bottas (Mercedes) est 2e. On retrouve ensuite les Ferrari, les Red Bull et les HAAS.
| Pos | Pilote | Temps | Écart | Tours |
|---|---|---|---|---|
| 1 | 1:21.521 | 28 | ||
| 2 | 1:21.550 | +0.029s | 30 | |
| 3 | 1:22.456 | +0.935s | 24 | |
| 4 | 1:22.600 | +1.079s | 23 | |
| 5 | 1:22.706 | +1.185s | 22 | |
| 6 | 1:23.084 | +1.563s | 17 | |
| 7 | 1:23.670 | +2.149s | 22 | |
| 8 | 1:23.758 | +2.237s | 23 | |
| 9 | 1:23.993 | +2.472s | 24 | |
| 10 | 1:24.004 | +2.483s | 21 | |
| 11 | 1:24.188 | +2.667s | 23 | |
| 12 | 1:24.324 | +2.803s | 22 | |
| 13 | 1:24.400 | +2.879s | 24 | |
| 14 | 1:24.618 | +3.097s | 34 | |
| 15 | 1:24.642 | +3.121s | 18 | |
| 16 | 1:24.966 | +3.445s | 23 | |
| 17 | 1:25.182 | +3.661s | 24 | |
| 18 | 1:25.919 | +4.398s | 34 | |
| 19 | 1:26.293 | +4.772s | 10 | |
| 20 | 1 |