IndyCar 2018 Grand Prix of Indianapolis
| Cla | # | Piloto | Equipe | Voltas | Tempo | Diferença | Intervalo | Mph |
|---|---|---|---|---|---|---|---|---|
| 1 | 12 |  Will Power | Team Penske | 3 | 1'09.818 | 125.761 | ||
| 2 | 6 |  Robert Wickens | Schmidt Peterson Motorsports | 2 | 1'09.905 | 0.087 | 0.087 | 125.604 |
| 3 | 18 |  Sébastien Bourdais | Dale Coyne Racing | 2 | 1'09.944 | 0.126 | 0.039 | 125.533 |
| 4 | 5 | James Hinchcliffe | Schmidt Peterson Motorsports | 2 | 1'10.085 | 0.267 | 0.140 | 125.281 |
| 5 | 20 |  Jordan King | Ed Carpenter Racing | 2 | 1'10.132 | 0.314 | 0.046 | 125.197 |
| 6 | 1 | Josef Newgarden | Team Penske | 1 | 1'10.727 | 0.909 | 0.595 | 124.144 |