By Soup StaffMotoGP 2021 Gran Premio TISSOT de Aragón FP4 Results
| Pos. | Rider | Team | Bike | Time |
|---|---|---|---|---|
| 1 | Marc Marquez | Repsol Honda | Honda | 1:48.116 |
| 2 | Enea Bastianini | Avintia Esponsorama Racing | Ducati | 1:48.264 |
| 3 | Francesco Bagnaia | Ducati Lenovo | Ducati | 1:48.299 |
| 4 | Fabio Quartararo | Monster Energy Yamaha | Yamaha | 1:48.413 |
| 5 | Jack Miller | Ducati Lenovo | Ducati | 1:48.446 |
| 6 | Takaaki Nakagami | LCR Honda IDEMITSU | Honda | 1:48.458 |
| 7 | Jorge Martin | Pramac Racing | Ducati | 1:48.492 |
| 8 | Pol Espargaro | Repsol Honda | Honda | 1:48.497 |
| 9 | Joan Mir | SUZUKI ECSTAR | Suzuki | 1:48.514 |
| 10 | Johann Zarco | Pramac Racing | Ducati | 1:48.524 |
| 11 | Aleix Espargaro | Aprilia Racing Team Gresini | Aprilia | 1:48.626 |
| 12 | Miguel Oliveira | Red Bull KTM Factory Racing | KTM | 1:48.692 |
| 13 | Cal Crutchlow | Monster Energy Yamaha | Yamaha | 1:48.732 |
| 14 | Brad Binder | Red Bull KTM Factory Racing | KTM | 1:48.819 |
| 15 | Valentino Rossi | Petronas Yamaha SRT | Yamaha | 1:48.891 |
| 16 | Alex Marquez | LCR Honda Castrol | Honda | 1:48.913 |
| 17 | Iker Lecuona | Tech3 KTM Factory Racing | KTM | 1:48.982 |
| 18 | Alex Rins | SUZUKI ECSTAR | Suzuki | 1:49.148 |
| 19 | Danilo Petrucci | Tech3 KTM Factory Racing | KTM | 1:49.159 |
| 20 | Maverick Vinales | Aprilia Racing Team Gresini | Aprilia | 1:49.186 |
| 21 | Luca Marini | SKY VR46 Avintia | Ducati | 1:49.231 |
| 22 | Jake Dixon | Petronas Yamaha SRT | Yamaha | 1:49.676 |
