Kết quả phiên chạy FP3 của chặng đua GP Ả Rập Saudi 2021:
| Stt | Tay đua | Xe | Thời gian | Kh/cách | Lap |
| 1 | Max Verstappen | RED BULL | 1:28.100 | 20 | |
| 2 | Lewis Hamilton | MERCEDES | 1:28.314 | +0.214s | 23 |
| 3 | Sergio Perez | RED BULL | 1:28.629 | +0.529s | 21 |
| 4 | Yuki Tsunoda | ALPHATAURI | 1:28.641 | +0.541s | 20 |
| 5 | Pierre Gasly | ALPHATAURI | 1:28.715 | +0.615s | 22 |
| 6 | Valtteri Bottas | MERCEDES | 1:29.019 | +0.919s | 19 |
| 7 | Charles Leclerc | FERRARI | 1:29.101 | +1.001s | 22 |
| 8 | Carlos Sainz | FERRARI | 1:29.149 | +1.049s | 19 |
| 9 | Esteban Ocon | ALPINE | 1:29.177 | +1.077s | 19 |
| 10 | Lando Norris | MCLAREN | 1:29.300 | +1.200s | 18 |
| 11 | Fernando Alonso | ALPINE | 1:29.418 | +1.318s | 21 |
| 12 | Antonio Giovinazzi | ALFA ROMEO | 1:29.590 | +1.490s | 20 |
| 13 | Kimi Räikkönen | ALFA ROMEO | 1:29.689 | +1.589s | 24 |
| 14 | Daniel Ricciardo | MCLAREN | 1:29.717 | +1.617s | 19 |
| 15 | Lance Stroll | ASTON MARTIN | 1:30.030 | +1.930s | 14 |
| 16 | George Russell | WILLIAMS | 1:30.034 | +1.934s | 17 |
| 17 | Sebastian Vettel | ASTON MARTIN | 1:30.296 | +2.196s | 15 |
| 18 | Nicholas Latifi | WILLIAMS | 1:30.366 | +2.266s | 17 |
| 19 | Mick Schumacher | HAAS | 1:30.933 | +2.833s | 20 |
| 20 | Nikita Mazepin | HAAS | 1:30.979 | +2.879s | 23 |
Nguồn: Tổng hợp
