The 2005 Firestone Indy 400 was Round 11 of the 2005 IndyCar Series. The event was held at Michigan International Speedway in Michigan, United States on 31 July 2005. Bryan Herta started on pole position and was the race winner.
FIRESTONE INDY 400 Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Started | Laps | Total Time | Laps Led | Status | Points | Avg. Speed | Pit Stops |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 7 | Bryan Herta | Dallara | Honda | Firestone | 1 | 200 | - | 159 | Running | 53 | 167.197 | - |
| 2 | 26 | Dan Wheldon | Dallara | Honda | Firestone | 11 | 200 | - | 7 | Running | 40 | - | - |
| 3 | 4 | Tomas Scheckter | Dallara | Chevrolet | Firestone | 2 | 200 | - | 2 | Running | 35 | - | - |
| 4 | 11 | Tony Kanaan | Dallara | Honda | Firestone | 14 | 200 | - | 24 | Running | 32 | - | - |
| 5 | 6 | Sam Hornish Jr. | Dallara | Toyota | Firestone | 13 | 200 | - | 6 | Running | 30 | - | - |
| 6 | 95 | Buddy Lazier | Dallara | Chevrolet | Firestone | 6 | 200 | - | 0 | Running | 28 | - | - |
| 7 | 8 | Scott Sharp | Panoz | Honda | Firestone | 5 | 200 | - | 0 | Running | 26 | - | - |
| 8 | 27 | Dario Franchitti | Dallara | Honda | Firestone | 7 | 200 | - | 0 | Running | 24 | - | - |
| 9 | 83 | Patrick Carpentier | Dallara | Toyota | Firestone | 23 | 199 | - | 1 | Running | 22 | - | - |
| 10 | 33 | Ryan Briscoe | Panoz | Toyota | Firestone | 17 | 199 | - | 0 | Running | 20 | - | - |
| 11 | 51 | Alex Barron | Dallara | Toyota | Firestone | 19 | 199 | - | 0 | Running | 19 | - | - |
| 12 | 14 | A.J. Foyt IV | Dallara | Toyota | Firestone | 21 | 198 | - | 0 | Running | 18 | - | - |
| 13 | 91 | Jimmy Kite | Dallara | Toyota | Firestone | 20 | 197 | - | 0 | Running | 17 | - | - |
| 14 | 17 | Vitor Meira | Panoz | Honda | Firestone | 9 | 185 | - | 0 | Electrical | 16 | - | - |
| 15 | 2 | Townsend Bell | Dallara | Chevrolet | Firestone | 10 | 180 | - | 0 | Accident | 15 | - | - |
| 16 | 55 | Kosuke Matsuura | Panoz | Honda | Firestone | 12 | 180 | - | 1 | Accident | 14 | - | - |
| 17 | 10 | Jaques Lazier | Panoz | Toyota | Firestone | 15 | 179 | - | 0 | Accident | 13 | - | - |
| 18 | 24 | Roger Yasukawa | Dallara | Honda | Firestone | 18 | 179 | - | 0 | Accident | 12 | - | - |
| 19 | 9 | Scott Dixon | Panoz | Toyota | Firestone | 4 | 166 | - | 0 | Electrical | 12 | - | - |
| 20 | 16 | Danica Patrick | Panoz | Honda | Firestone | 8 | 163 | - | 0 | Mechanical | 12 | - | - |
| 21 | 3 | Helio Castroneves | Dallara | Toyota | Firestone | 16 | 138 | - | 0 | Mechanical | 12 | - | - |
| 22 | 15 | Buddy Rice | Panoz | Honda | Firestone | 3 | 126 | - | 0 | Mechanical | 12 | - | - |
| 23 | 20 | Ed Carpenter | Dallara | Toyota | Firestone | 22 | 118 | - | 0 | Mechanical | 12 | - | - |