Miguel Oliveira (Red Bull KTM Ajo) foi quarto no primeiro treino livre do GP da Argentina. O mais rápido em pista foi Niccolò Antonelli (Ongetta-Rivacold/Honda), que bateu o o líder da competição, Danny Kent (Leopard Racing/Honda). Isaac Viñales (Husqvarna Factory Laglisse) foi terceiro, na frente do português, que distou 0.477s do homem da frente. Oliveira foi o melhor das KTM, com as Honda a dominar novamente.
Tempos
1 Niccolò ANTONELLI Ongetta-Rivacold Honda 1’51.523
2 Danny KENT Leopard Racing Honda 0.171 / 0.171
3 Isaac VIÑALES Husqvarna Factory Laglisse Husqvarna 0.196 / 0.025
4 Miguel OLIVEIRA Red Bull KTM Ajo KTM 0.477 / 0.281
5 Romano FENATI SKY Racing Team VR46 KTM 0.498 / 0.021
6 Enea BASTIANINI Gresini Racing Team Moto3 Honda 0.539 / 0.041
7 Alexis MASBOU SAXOPRINT RTG Honda 0.554 / 0.015
8 Jorge MARTIN MAPFRE Team MAHINDRA Mahindra 0.681 / 0.127
9 Karel HANIKA Red Bull KTM Ajo KTM 0.683 / 0.002
10 Andrea LOCATELLI Gresini Racing Team Moto3 Honda 0.711 / 0.028
11 Niklas AJO RBA Racing Team KTM 0.711
12 Efren VAZQUEZ Leopard Racing Honda 0.891 / 0.180
13 John MCPHEE SAXOPRINT RTG Honda 1.058 / 0.167
14 Jorge NAVARRO Estrella Galicia 0,0 Honda 1.131 / 0.073
15 Brad BINDER Red Bull KTM Ajo KTM 1.141 / 0.010
16 Juanfran GUEVARA MAPFRE Team MAHINDRA Mahindra 1.183 / 0.042
17 Fabio QUARTARARO Estrella Galicia 0,0 Honda 1.206 / 0.023
18 Livio LOI RW Racing GP Honda 1.422 / 0.216
19 Hiroki ONO Leopard Racing Honda 1.507 / 0.085
20 Jakub KORNFEIL Drive M7 SIC KTM 1.626 / 0.119
21 Stefano MANZI San Carlo Team Italia Mahindra 1.632 / 0.006
22 Jules DANILO Ongetta-Rivacold Honda 1.787 / 0.155
23 Philipp OETTL Schedl GP Racing KTM 1.804 / 0.017
24 Alessandro TONUCCI Outox Reset Drink Team Mahindra 1.943 / 0.139
25 Andrea MIGNO SKY Racing Team VR46 KTM 2.021 / 0.078
26 Francesco BAGNAIA MAPFRE Team MAHINDRA Mahindra 2.080 / 0.059
27 Zulfahmi KHAIRUDDIN Drive M7 SIC KTM 2.094 / 0.014
28 Remy GARDNER CIP Mahindra 2.174 / 0.080
29 Matteo FERRARI San Carlo Team Italia Mahindra 2.267 / 0.093
30 Maria HERRERA Husqvarna Factory Laglisse Husqvarna 2.468 / 0.201
31 Tatsuki SUZUKI CIP Mahindra 2.507 / 0.039
32 Ana CARRASCO RBA Racing Team KTM 2.538 / 0.031
33 Gabriel RODRIGO RBA Racing Team KTM 2.647 / 0.109
34 Darryn BINDER Outox Reset Drink Team Mahindra 3.156 / 0.509
