Terverifikasi Administratif dan Faktual oleh Dewan Pers
Kendati demikian, Verstappen masih bisa berada di posisi ketiga saat FP2 berakhir.
Berikut hasil lengkap sesi latihan bebas kedua GP Spanyol 2018.
| Posisi | Pebalap | Tim | Waktu |
| 1 | Lewis Hamilton | Mercedes | 1:18,259 |
| 2 | Daniel Ricciardo | Red Bull | +0,133 |
| 3 | Max Verstappen | Red Bull | +0,274 |
| 4 | Sebastian Vettel | Ferrari | +0,326 |
| 5 | Valtteri Bottas | Mercedes | +0,352 |
| 6 | Kimi Raikkonen | Ferrari | +0,570 |
| 7 | Romain Grosjean | Haas | +1,320 |
| 8 | Kevin Magnussen | Haas | +1,384 |
| 9 | Stoffel Vandoorne | McLaren | +1,463 |
| 10 | Sergio Perez | Force India | +1,703 |
| 11 | Esteban Ocon | Force India | +1,765 |
| 12 | Fernando Alonso | McLaren | +1,776 |
| 13 | Nico Hulkenberg | Renault | +1,924 |
| 14 | Pierre Gasly | Toro Rosso | +2,114 |
| 15 | Marcus Ericsson | Sauber | +2,242 |
| 16 | Charles Leclerc | Sauber | +2,255 |
| 17 | Carlos Sainz | Renault | +2,413 |
| 18 | Brendon Hartley | Toro Rosso | +3,006 |
| 19 | Lance Stroll | Williams | +3,297 |
| 20 | Sergei SIrotkin | Williams | +3,801 |