MotoGP 2020 GP du Portugal
| # | Pilote | Équipe | Moto | 4529 | Pneus | |
|---|---|---|---|---|---|---|
| 4 |  Andrea Dovizioso |  | Ducati Team | Ducati Desmosedici GP20 | Ducati | Michelin |
| 5 |  Johann Zarco |  |  Avintia Racing | Ducati Desmosedici GP19 | Ducati | Michelin |
| 6 |  Stefan Bradl |  |  Repsol Honda Team | Honda RC213V | Honda | Michelin |
| 9 | Danilo Petrucci |  | Ducati Team | Ducati Desmosedici GP20 | Ducati | Michelin |
| 12 | Maverick Viñales |  | Yamaha Factory Racing | Yamaha YZR-M1 | Yamaha | Michelin |
| 20 | Fabio Quartararo |  |  Petronas SRT | Yamaha YZR-M1 | Yamaha | Michelin |
| 21 | Franco Morbidelli |  | Petronas SRT | Yamaha YZR-M1 | Yamaha | Michelin |
| 30 | Takaaki Nakagami |  |  Team LCR | Honda RC213V | Honda | Michelin |
| 32 | Lorenzo Savadori |  | Aprilia Racing Team | Aprilia RS-GP | Aprilia | Michelin |
| 33 |  Brad Binder |  |  Red Bull KTM Factory Racing | KTM RC16 | KTM | Michelin |
| 35 |  Cal Crutchlow |  | Team LCR | Honda RC213V | Honda | Michelin |
| 36 | Joan Mir |  | Team Suzuki MotoGP | Suzuki GSX-RR | Suzuki | Michelin |
| 41 | Aleix Espargaró |  | Aprilia Racing Team | Aprilia RS-GP | Aprilia | Michelin |
| 42 | Álex Rins | | Team Suzuki MotoGP | Suzuki GSX-RR | Suzuki | Michelin |
| 43 |  Jack Miller |  | Pramac Racing | Ducati Desmosedici GP20 | Ducati | Michelin |
| 44 | Pol Espargaró |  | Red Bull KTM Factory Racing | KTM RC16 | KTM | Michelin |
| 46 | Valentino Rossi |  | Yamaha Factory Racing | Yamaha YZR-M1 | Yamaha | Michelin |
| 53 | Tito Rabat |  | Avintia Racing | Ducati Desmosedici GP19 | Ducati | Michelin |
| 63 | Pecco Bagnaia |  | Pramac Racing | Ducati Desmosedici GP20 | Ducati | Michelin |
| 73 | Álex Márquez |  | Repsol Honda Team | Honda RC213V | Honda | Michelin |
| 82 |  Mika Kallio |  | Tech 3 | KTM RC16 | KTM | Michelin |
| 88 | Miguel Oliveira |  | Tech 3 | KTM RC16 | KTM | Michelin |
