| Pos. | Nr. | Fahrer | Team | Motor |
|---|---|---|---|---|
| 1 | 3 | H. Castroneves | Team Penske | Chevrolet |
| 2 | 9 | S. Dixon | Chip Ganassi Racing | Honda |
| 3 | 77 | S. Pagenaud | Arrow McLaren | Honda |
| 4 | 25 | M. Andretti | Andretti Global | Chevrolet |
| 5 | 1 | R. Hunter-Reay | Andretti Global | Chevrolet |
| 6 | 19 | J. Wilson | Dale Coyne Racing | Honda |
| 7 | 10 | D. Franchitti | Chip Ganassi Racing | Honda |
| 8 | 27 | J. Hinchcliffe | Andretti Global | Chevrolet |
| 9 | 12 | W. Power | Team Penske | Chevrolet |
| 10 | 83 | C. Kimball | Chip Ganassi Racing | Honda |
| 11 | 11 | T. Kanaan | KV Racing | Chevrolet |
| 12 | 5 | E. Viso | Andretti Global | Chevrolet |
| 13 | 7 | S. Bourdais | Dragon Racing | Chevrolet |
| 14 | 67 | J. Newgarden | Sarah Fisher Hartman Racing | Honda |
| 15 | 14 | T. Sato | A.J. Foyt Enterprises | Honda |
| 16 | 18 | M. Conway | Dale Coyne Racing | Honda |
| 17 | 78 | S. de Silvestro | KV Racing | Chevrolet |
| 18 | 20 | E. Carpenter | Ed Carpenter Racing | Chevrolet |
| 19 | 15 | G. Rahal | Rahal Letterman Lanigan Racing | Honda |
| 20 | 16 | J. Jakes | Rahal Letterman Lanigan Racing | Honda |
| 21 | 4 | O. Servia | Panther Racing | Chevrolet |
| 22 | 55 | T. Vautier | Arrow McLaren | Honda |
| 23 | 98 | L. Filippi | Bryan Herta Autosport | Honda |
| 24 | 6 | S. Saavedra | Dragon Racing | Chevrolet |
| Pos. = Position, Rnd. = Runden | ||||
Houston 2
Startaufstellung
