Hasil Latihan Bebas 2 MotoGP Aragon Spanyol 2018, Alcañiz hari Jumat 21 September 2018 :
| Pos. | Num. | Pembalap | Negara | Tim | Motor | Km/h | Waktu | Gap 1st/Prev. |
| 1 | 93 | Marc MARQUEZ | SPA | Repsol Honda Team | Honda | 337.6 | 1’47.382 | |
| 2 | 99 | Jorge LORENZO | SPA | Ducati Team | Ducati | 335.4 | 1’47.520 | 0.138 / 0.138 |
| 3 | 4 | Andrea DOVIZIOSO | ITA | Ducati Team | Ducati | 336.3 | 1’47.835 | 0.453 / 0.315 |
| 4 | 35 | Cal CRUTCHLOW | GBR | LCR Honda CASTROL | Honda | 341.5 | 1’47.862 | 0.480 / 0.027 |
| 5 | 29 | Andrea IANNONE | ITA | Team SUZUKI ECSTAR | Suzuki | 334 | 1’47.919 | 0.537 / 0.057 |
| 6 | 9 | Danilo PETRUCCI | ITA | Alma Pramac Racing | Ducati | 339.5 | 1’48.134 | 0.752 / 0.215 |
| 7 | 26 | Dani PEDROSA | SPA | Repsol Honda Team | Honda | 339.8 | 1’48.389 | 1.007 / 0.255 |
| 8 | 19 | Alvaro BAUTISTA | SPA | Angel Nieto Team | Ducati | 334.5 | 1’48.452 | 1.070 / 0.063 |
| 9 | 46 | Valentino ROSSI | ITA | Movistar Yamaha MotoGP | Yamaha | 333.5 | 1’48.501 | 1.119 / 0.049 |
| 10 | 25 | Maverick VIÑALES | SPA | Movistar Yamaha MotoGP | Yamaha | 333.8 | 1’48.552 | 1.170 / 0.051 |
| 11 | 21 | Franco MORBIDELLI | ITA | EG 0,0 Marc VDS | Honda | 331.2 | 1’48.654 | 1.272 / 0.102 |
| 12 | 43 | Jack MILLER | AUS | Alma Pramac Racing | Ducati | 332.4 | 1’48.680 | 1.298 / 0.026 |
| 13 | 41 | Aleix ESPARGARO | SPA | Aprilia Racing Team Gresini | Aprilia | 331.5 | 1’48.808 | 1.426 / 0.128 |
| 14 | 44 | Pol ESPARGARO | SPA | Red Bull KTM Factory Racing | KTM | 333.6 | 1’48.850 | 1.468 / 0.042 |
| 15 | 38 | Bradley SMITH | GBR | Red Bull KTM Factory Racing | KTM | 334 | 1’48.861 | 1.479 / 0.011 |
| 16 | 42 | Alex RINS | SPA | Team SUZUKI ECSTAR | Suzuki | 337 | 1’48.902 | 1.520 / 0.041 |
| 17 | 5 | Johann ZARCO | FRA | Monster Yamaha Tech 3 | Yamaha | 331.2 | 1’48.997 | 1.615 / 0.095 |
| 18 | 17 | Karel ABRAHAM | CZE | Angel Nieto Team | Ducati | 335.6 | 1’49.016 | 1.634 / 0.019 |
| 19 | 30 | Takaaki NAKAGAMI | JPN | LCR Honda IDEMITSU | Honda | 332 | 1’49.123 | 1.741 / 0.107 |
| 20 | 45 | Scott REDDING | GBR | Aprilia Racing Team Gresini | Aprilia | 333.6 | 1’49.441 | 2.059 / 0.318 |
| 21 | 12 | Thomas LUTHI | SWI | EG 0,0 Marc VDS | Honda | 333.5 | 1’49.690 | 2.308 / 0.249 |
| 22 | 10 | Xavier SIMEON | BEL | Reale Avintia Racing | Ducati | 325.7 | 1’49.925 | 2.543 / 0.235 |
| 23 | 55 | Hafizh SYAHRIN | MAL | Monster Yamaha Tech 3 | Yamaha | 331.5 | 1’49.937 | 2.555 / 0.012 |
| 24 | 81 | Jordi TORRES | SPA | Reale Avintia Racing | Ducati | 334.7 | 1’51.081 | 3.699 / 1.144 |