The 2009 Indy Grand Prix of Sonoma was Round 14 of the 2009 IndyCar Series. The event was held at Sonoma Raceway in California, United States on 23 August 2009. Dario Franchitti started on pole position and was the race winner.
INDY GRAND PRIX OF SONOMA Race Result
| Pos. | No. | Driver | Chassis | Engine | Tire | Started | Laps | Total Time | Laps Led | Status | Points | Avg. Speed | Pit Stops |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 10 | Dario Franchitti | Dallara | Honda | Firestone | 1 | 75 | - | 75 | Running | 53 | 94.745 | - |
| 2 | 6 | Ryan Briscoe | Dallara | Honda | Firestone | 2 | 75 | - | 0 | Running | 40 | - | - |
| 3 | 24 | Mike Conway | Dallara | Honda | Firestone | 9 | 75 | - | 0 | Running | 35 | - | - |
| 4 | 5 | Mario Moraes | Dallara | Honda | Firestone | 14 | 75 | - | 0 | Running | 32 | - | - |
| 5 | 27 | Hideki Mutoh | Dallara | Honda | Firestone | 5 | 75 | - | 0 | Running | 30 | - | - |
| 6 | 6 | Oriol Servia | Dallara | Honda | Firestone | 17 | 75 | - | 0 | Running | 28 | - | - |
| 7 | 18 | Justin Wilson | Dallara | Honda | Firestone | 22 | 75 | - | 0 | Running | 26 | - | - |
| 8 | 11 | Tony Kanaan | Dallara | Honda | Firestone | 7 | 75 | - | 0 | Running | 24 | - | - |
| 9 | 2 | Raphael Matos | Dallara | Honda | Firestone | 18 | 75 | - | 0 | Running | 22 | - | - |
| 10 | 33 | Robert Doornbos | Dallara | Honda | Firestone | 15 | 75 | - | 0 | Running | 20 | - | - |
| 11 | 20 | Ed Carpenter | Dallara | Honda | Firestone | 20 | 75 | - | 0 | Running | 19 | - | - |
| 12 | 4 | Dan Wheldon | Dallara | Honda | Firestone | 12 | 75 | - | 0 | Running | 18 | - | - |
| 13 | 9 | Scott Dixon | Dallara | Honda | Firestone | 10 | 75 | - | 0 | Running | 17 | - | - |
| 14 | 26 | Marco Andretti | Dallara | Honda | Firestone | 4 | 75 | - | 0 | Running | 16 | - | - |
| 15 | 98 | Richard Antinucci | Dallara | Honda | Firestone | 19 | 75 | - | 0 | Running | 15 | - | - |
| 16 | 7 | Danica Patrick | Dallara | Honda | Firestone | 11 | 74 | - | 0 | Running | 14 | - | - |
| 17 | 23 | Milka Duno | Dallara | Honda | Firestone | 21 | 71 | - | 0 | Running | 13 | - | - |
| 18 | 3 | Helio Castroneves | Dallara | Honda | Firestone | 3 | 66 | - | 0 | Contact | 12 | - | - |
| 19 | 14 | Ryan Hunter-Reay | Dallara | Honda | Firestone | 16 | 65 | - | 0 | Mechanical | 12 | - | - |
| 20 | 25 | Frank Montagny | Dallara | Honda | Firestone | 8 | 57 | - | 0 | Handling | 12 | - | - |
| 21 | 2 | Graham Rahal | Dallara | Honda | Firestone | 6 | 30 | - | 0 | Mechanical | 12 | - | - |
| 22 | 13 | E.J. Viso | Dallara | Honda | Firestone | 13 | 0 | - | 0 | Contact | 12 | - | - |
| 23 | 12 | Will Power | Dallara | Honda | Firestone | 23 | 0 | - | 0 | DNS | 6 | - | - |
| 24 | 34 | Nelson Philippe | Dallara | Honda | Firestone | 24 | 0 | - | 0 | DNS | 6 | - | - |