Terverifikasi Administratif dan Faktual oleh Dewan Pers
Adapun Valentino Rossi (Movistar Yamaha) akan start dari posisi ke-11 pada balapan yang digelar Minggu, 8 April 2018, pukul 15.00 waktu setempat atau Senin pukul 01.00 WIB.
Berikut hasil lengkap sesi kualifikasi MotoGP Argentina 2018.
| POS | PEBALAP | TIM | WAKTU LAP |
| 1 | Jack Miller | Pramac Racing | 1:47.153 |
| 2 | Dani Pedrosa | Repsol Honda | 1:47.330 |
| 3 | Johann Zarco | Yamaha Tech 3 | 1:47.365 |
| 4 | Tito Rabat | Avintia Racing | 1:47.681 |
| 5 | Alex Rins | Suzuki Ecstar | 1:47.743 |
| 6 | Marc Marquez | Repsol Honda | 1:47.754 |
| 7 | Aleix Espargaro | Aprilia Racing | 1:47.845 |
| 8 | Andrea Dovizioso | Ducati | 1:48.247 |
| 9 | Maverick Vinales | Movistar Yamaha | 1:49.044 |
| 10 | Cal Crutchlow | LCR Honda | 1:49.304 |
| 11 | Valentino Rossi | Movistar Yamaha | 1:49.326 |
| 12 | Andrea Iannone | Suzuki Ecstar | 1:49.975 |
| Tidak Lolos Kualifikasi 1 | |||
| 13 | Karel Abraham | Angel Nieto Team | 1:49.878 |
| 14 | Jorge Lorenzo | Ducati | 1:50.063 |
| 15 | Scott Redding | Aprilia Racing | 1:50.175 |
| 16 | Pol Espargaro | Red Bull KTM | 1:50.324 |
| 17 | Xavier Simeon | Avintia Racing | 1:50.364 |
| 18 | Danilo Petrucci | Pramac Racing | 1:50.449 |
| 19 | Alvaro Bautista | Angel Nieto Team | 1:50.606 |
| 20 | Thomas Luthi | Red Bull KTM | 1:50.833 |
| 21 | Bradley Smith | Marc VDS | 1:51.007 |
| 22 | Franco Morbidelli | Red Bull KTM | 1:51.012 |
| 23 | Hafizh Syahrin | Yamaha Tech 3 | 1:51.142 |
| 24 | Takaaki Nakagami | LCR Honda | 1:51.387 |