GP of Alabama Starting Lineup and Tire Choices
| SP | Car | Driver Name | Make | Tire |
| 1 | 12 | Power, Will | CHEVY | Alternate |
| 2 | 3 | Castroneves, Helio | CHEVY | Alternate |
| 3 | 1 | Pagenaud, Simon | CHEVY | Alternate |
| 4 | 9 | Dixon, Scott | HONDA | Alternate |
| 5 | 28 | Hunter-Reay, Ryan | HONDA | Alternate |
| 6 | 5 | Hinchcliffe, James | HONDA | Alternate |
| 7 | 2 | Newgarden, Josef | CHEVY | Primary |
| 8 | 7 | Aleshin, Mikhail | HONDA | Alternate |
| 9 | 8 | Chilton, Max | HONDA | Alternate |
| 10 | 10 | Kanaan, Tony | HONDA | Alternate |
| 11 | 19 | Jones, Ed (R) | HONDA | Alternate |
| 12 | 18 | Bourdais, Sebastien | HONDA | Primary |
| 13 | 27 | Andretti, Marco | HONDA | Alternate |
| 14 | 26 | Sato, Takuma | HONDA | Alternate |
| 15 | 83 | Kimball, Charlie | HONDA | Primary |
| 16 | 14 | Munoz, Carlos | CHEVY | Primary |
| 17 | 20 | Pigot, Spencer | CHEVY | Alternate |
| 18 | 98 | Rossi, Alexander | HONDA | Alternate |
| 19 | 21 | Veach, Zach (R) | CHEVY | Alternate |
| 20 | 4 | Daly, Conor | CHEVY | Alternate |
| 21 | 15 | Rahal, Graham | HONDA | Alternate |