1991 Valvoline Detroit Grand Prix - Results
Track Detroit Belle Isle
City Detroit, Michigan
Type Streetcourse
Length 1.460 mi
Trackrecord 1:13.673

| P | Driver | Nat | L | Time | GP |
|---|---|---|---|---|---|
| 1 | Emerson Fittipaldi | 62 | 1:57:59.050 | ||
| 2 | Bobby Rahal | 62 | 1:57:59.337 +0.287 | +0.287 | |
| 3 | Arie Luyendyk | 62 | 1:58:03.396 +4.346 | +4.059 | |
| 4 | Al Unser Jr. | 62 | 1:58:15.586 +16.536 | +12.190 | |
| 5 | Rick Mears | 62 | 1:58:23.047 +23.997 | +7.461 | |
| 6 | John Andretti | 62 | 1:58:39.390 +40.340 | +16.343 | |
| 7 | Mario Andretti | 62 | 1:58:40.930 +41.880 | +1.540 | |
| 8 | Scott Goodyear | 61 | 0:00:00.000 +1 lap | +1 lap | |
| 9 | Scott Brayton | 61 | 0:00:00.000 +1 lap | +0.000 | |
| 10 | Danny Sullivan | 61 | 0:00:00.000 +1 lap | +0.000 | |
| 11 | Willy T. Ribbs | 61 | 0:00:00.000 +1 lap | +0.000 | |
| 12 | Eddie Cheever | 60 | 0:00:00.000 +2 laps | +1 lap | |
| 13 | Tony Bettenhausen Jr. | 60 | 0:00:00.000 +2 laps | +0.000 | |
| 14 | Hiro Matsushita | 60 | 0:00:00.000 +2 laps | +0.000 | |
| 15 | Roberto Guerrero | 59 | 0:00:00.000 +3 laps | +1 lap | |
| 16 | Jeff Andretti | 59 | 0:00:00.000 +3 laps | +0.000 | |
| 17 | Scott Pruett | 58 | 0:00:00.000 +4 laps | +1 lap | |
| 18 | Buddy Lazier | 57 | 0:00:00.000 +5 laps | +1 lap | |
| 19 | Michael Andretti | 48 | 0:00:00.000 +14 laps | +9 laps | |
| 20 | Dennis Vitolo | 44 | 0:00:00.000 +18 laps | +4 laps | |
| 21 | Guido Dacco | 31 | 0:00:00.000 +31 laps | +13 laps | |
| 22 | Mike Groff | 26 | 0:00:00.000 +36 laps | +5 laps | |
| 23 | A. J. Foyt | 25 | 0:00:00.000 +37 laps | +1 lap | |
| 24 | Jeff Wood | 13 | 0:00:00.000 +49 laps | +12 laps | |
| 25 | Ted Prappas | 7 | 0:00:00.000 +55 laps | +6 laps |