IndyCar 2018 Detroit
| Cla | # | Piloto | Equipe | Voltas | Tempo | Diferença | Intervalo | Mph |
|---|---|---|---|---|---|---|---|---|
| 1 | 9 |  Scott Dixon | Chip Ganassi Racing | 7 | 1'15.418 | 112.174 | ||
| 2 | 27 | Alexander Rossi | Andretti Autosport | 7 | 1'15.494 | 0.076 | 0.076 | 112.061 |
| 3 | 12 |  Will Power | Team Penske | 8 | 1'15.721 | 0.302 | 0.226 | 111.726 |
| 4 | 15 | Graham Rahal | Rahal Letterman Lanigan Racing | 7 | 1'15.827 | 0.408 | 0.106 | 111.569 |
| 5 | 59 |  Max Chilton | Carlin | 7 | 1'16.039 | 0.621 | 0.212 | 111.258 |
| 6 | 21 | Spencer Pigot | Ed Carpenter Racing | 8 | 1'16.143 | 0.724 | 0.103 | 111.107 |
| 7 | 1 | Josef Newgarden | Team Penske | 7 | 1'16.192 | 0.773 | 0.049 | 111.035 |
| 8 | 26 | Zach Veach | Andretti Autosport | 6 | 1'16.315 | 0.897 | 0.123 | 110.855 |
| 9 | 19 | Santino Ferrucci | Dale Coyne Racing | 7 | 1'16.753 | 1.334 | 0.437 | 110.224 |
| 10 | 20 | Jordan King | Ed Carpenter Racing | 7 | 1'16.907 | 1.488 | 0.154 | 110.002 |
| 11 | 23 | Charlie Kimball | Carlin | 7 | 1'17.206 | 1.788 | 0.299 | 109.576 |
