IndyCar 2018 Grand Prix of Indianapolis
| Cla | # | Piloto | Equipe | Voltas | Tempo | Diferença | Intervalo | Mph |
|---|---|---|---|---|---|---|---|---|
| 1 | 18 |  Sébastien Bourdais | Dale Coyne Racing | 6 | 1'09.551 | 126.244 | ||
| 2 | 12 |  Will Power | Team Penske | 5 | 1'09.855 | 0.304 | 0.304 | 125.693 |
| 3 | 22 | Simon Pagenaud | Team Penske | 5 | 1'09.898 | 0.347 | 0.042 | 125.617 |
| 4 | 14 |  Tony Kanaan | A.J. Foyt Enterprises | 5 | 1'10.037 | 0.486 | 0.139 | 125.366 |
| 5 | 30 |  Takuma Sato | Rahal Letterman Lanigan Racing | 5 | 1'10.049 | 0.498 | 0.011 | 125.346 |
| 6 | 27 | Alexander Rossi | Andretti Autosport | 6 | 1'10.059 | 0.508 | 0.010 | 125.328 |
| 7 | 98 | Marco Andretti | Andretti Autosport | 6 | 1'10.104 | 0.553 | 0.044 | 125.247 |
| 8 | 59 |  Max Chilton | Carlin | 5 | 1'10.211 | 0.660 | 0.106 | 125.057 |
| 9 | 9 |  Scott Dixon | Chip Ganassi Racing | 6 | 1'10.322 | 0.771 | 0.110 | 124.860 |
| 10 | 26 | Zach Veach | Andretti Autosport | 6 | 1'10.337 | 0.786 | 0.015 | 124.833 |
| 11 | 88 |  Gabby Chaves | Harding Racing | 5 | 1'10.506 | 0.955 | 0.169 | 124.533 |
| 12 | 32 | Kyle Kaiser | Juncos Racing | 6 | 1'10.739 | 1.188 | 0.232 | 124.123 |
