Andrea Dovizioso (Ducati) akan start dari posisi delapan dan tepat di depan pemenang GP Argentina musim lalu, Maverick Vinales (Movistar Yamaha).
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 |