Firestone 600
Texas Motor Speedway
1.455 Mile Paved Oval
248 Laps/360.84 Miles
June 6, 2015
| Finish | Start | Driver | Car # | Sponsor/Name | Chassis | Engine | Laps | Status | Points |
| 1 | 7 | Scott Dixon | 9 | Energizer/Target | Chevy | Chevy | 248 | 1:52:47.8511 191.940 | 53 |
| 2 | 8 | Tony Kanaan | 10 | NTT Group | Chevy | Chevy | 248 | 1:52:55.6511 191.719 | 41 |
| 3 | 3 | Helio Castroneves | 3 | AAA Insurance | Chevy | Chevy | 248 | 1:52:57.7957 191.659 | 36 |
| 4 | 5 | Juan Montoya | 2 | Verizon | Chevy | Chevy | 248 | 1:52:58.3119 191.644 | 33 |
| 5 | 11 | Marco Andretti | 27 | Snapple | Honda | Honda | 248 | 1:53:13.9458 191.203 | 31 |
| 6 | 4 | Carlos Muńoz | 26 | Cinsay/AndrettiTV | Honda | Honda | 247 | Flagged | 28 |
| 7 | 9 | Charlie Kimball | 83 | Levemir and NovoLog FlexPen | Chevy | Chevy | 247 | Flagged | 27 |
| 8 | 19 | Ryan Briscoe | 5 | Arrow Electronics/Lucas Oil | Honda | Honda | 247 | Flagged | 24 |
| 9 | 12 | James Jakes | 7 |
Oculus Transport/ Mediatech Advertising |
Honda | Honda | 247 | Flagged | 23 |
| 10 | 20 | Gabby Chaves | 98 | Bowers & Wilkins | Honda | Honda | 246 | Flagged | 20 |
| 11 | 2 | Simon Pagenaud | 22 | Avaya | Chevy | Chevy | 246 | Flagged | 20 |
| 12 | 10 | Sage Karam | 8 | Lexar | Chevy | Chevy | 245 | Flagged | 18 |
| 13 | 1 | Will Power | 1 | Verizon | Chevy | Chevy | 244 | Flagged | 19 |
| 14 | 18 | Sébastien Bourdais | 11 | Hydroxycut | Chevy | Chevy | 244 | Flagged | 16 |
| 15 | 6 | Graham Rahal | 15 | Mi-Jack | Honda | Honda | 243 | Flagged | 15 |
| 16 | 13 | Takuma Sato | 14 | ABC Supply | Honda | Honda | 243 | Flagged | 14 |
| 17 | 22 | Pippa Mann | 18 | Dale Coyne Racing | Honda | Honda | 242 | Flagged | 13 |
| 18 | 21 | Ryan Hunter-Reay | 28 | DHL | Honda | Honda | 241 | Flagged | 12 |
| 19 | 23 | Stefano Coletti | 4 | KV Racing Technology | Chevy | Chevy | 239 | Flagged | 11 |
| 20 | 16 | Tristan Vautier | 19 | Dale Coyne Racing | Honda | Honda | 156 | Wheel bearing | 10 |
| 21 | 14 | Josef Newgarden | 67 | Hartman Oil | Chevy | Chevy | 149 | Engine | 9 |
| 22 | 15 | Ed Carpenter | 20 | Fuzzy's Ultra Premium Vodka | Chevy | Chevy | 147 | Engine | 8 |
| 23 | 17 | Jack Hawksworth | 41 | ABC Supply | Honda | Honda | 62 | Suspension | 7 |
| Lap Leaders | Total | Laps |
| Scott Dixon | 97 | 139-140, 144-184, 194-228, 230-248 |
| Simon Pagenaud | 59 | 8-66 |
| Tony Kanaan | 57 | 67-86, 103-138, 185 |
| Juan Montoya | 16 | 87-102 |
| Will Power | 7 | 1-7 |
| Helio Castroneves | 7 | 141, 186-191 |
| James Jakes | 2 | 142-143 |
| Marco Andretti | 2 | 192-193 |
| Charlie Kimball | 1 | 229 |