Qualification
samedi 22 septembre 2018, 14h10 GMT – 14h53 GMT
| Nom | Équipe | Temps | |
|---|---|---|---|
| 1 |  Jorge Lorenzo | Ducati Lenovo Team | 1′ 46.881″ |
| 2 | Andrea Dovizioso | Ducati Lenovo Team | + 0.014″ |
| 3 | Marc Márquez | Repsol Honda Team | + 0.079″ |
| 4 | Cal Crutchlow | LCR Honda CASTROL | + 0.265″ |
| 5 | Andrea Iannone | Team SUZUKI ECSTAR | + 0.288″ |
| 6 | Dani Pedrosa | Repsol Honda Team | + 0.343″ |
| 7 | Danilo Petrucci | Pramac Racing | + 0.47″ |
| 8 | Álvaro Bautista | Kipin Energy Aspar Team | + 0.797″ |
| 9 | Álex Rins | Team SUZUKI ECSTAR | + 0.856″ |
| 10 | Jack Miller | Pramac Racing | + 0.911″ |
| 11 | Maverick Viñales | Monster Energy Yamaha MotoGP | + 0.929″ |
| 12 | Takaaki Nakagami | LCR Honda IDEMITSU | + 1.403″ |
| 13 | Franco Morbidelli | Elf Marc VDS Racing Team | + 1.128″ |
| 14 | Johann Zarco | Monster Yamaha Tech 3 | + 1.171″ |
| 15 | Aleix Espargaró | Aprilia Racing Team Gresini | + 1.3″ |
| 16 | Bradley Smith | Red Bull KTM Factory Racing | + 1.335″ |
| 17 | Karel Abraham | Kipin Energy Aspar Team | + 1.517″ |
| 18 |  Valentino Rossi | Monster Energy Yamaha MotoGP | + 1.746″ |
| 19 | Hafizh Syahrin | Monster Yamaha Tech 3 | + 2.094″ |
| 20 | Thomas Lüthi | Elf Marc VDS Racing Team | + 2.107″ |
| 21 | Scott Redding | Aprilia Racing Team Gresini | + 2.422″ |
| 22 | Xavier Siméon | Avintia Esponsorama | + 2.818″ |
| 23 | Jordi Torres | Avintia Esponsorama | + 3.455″ |