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| 1989-01 | Phoenix | 24 | 7 | 4 | 6 | Michael Andretti | Lola / Chevrolet | 199/200 | 19,510 | running | 52 |
| 1989-02 | Long Beach | 28 | 2 | 2 | 6 | Michael Andretti | Lola / Chevrolet | 95/95 | 78,800 | running | 3 |
| 1989-03 | Indianapolis | 33 | 21 | 17 | 6 | Michael Andretti | Lola / Chevrolet | 163/200 | 164,353 | engine | 35 |
| 1989-04 | Milwaukee | 22 | 3 | 2 | 6 | Michael Andretti | Lola / Chevrolet | 200/200 | 38,280 | running | 11 |
| 1989-05 | Detroit | 28 | 1 | 13 | 6 | Michael Andretti | Lola / Chevrolet | 55/62 | 32,800 | crash | 52 |
| 1989-06 | Portland | 26 | 7 | 6 | 6 | Michael Andretti | Lola / Chevrolet | 102/104 | 26,720 | running | 0 |
| 1989-07 | Cleveland | 28 | 1 | 18 | 6 | Michael Andretti | Lola / Chevrolet | 61/80 | 12,025 | electrical | 26 |
| 1989-08 | Meadowlands | 28 | 4 | 18 | 6 | Michael Andretti | Lola / Chevrolet | 89/145 | 10,150 | suspension | 80 |
| 1989-09 | Toronto | 28 | 5 | 1 | 6 | Michael Andretti | Lola / Chevrolet | 103/103 | 84,660 | running | 24 |
| 1989-10 | Michigan | 29 | 8 | 1 | 6 | Michael Andretti | Lola / Chevrolet | 250/250 | 129,357 | running | 81 |
| 1989-11 | Pocono | 27 | 10 | 3 | 6 | Michael Andretti | Lola / Chevrolet | 200/200 | 34,448 | running | 44 |
| 1989-12 | Mid-Ohio | 28 | 8 | 3 | 6 | Michael Andretti | Lola / Chevrolet | 84/84 | 28,250 | running | 0 |
| 1989-13 | Elkhart Lake | 28 | 3 | 6 | 6 | Michael Andretti | Lola / Chevrolet | 49/50 | 15,470 | out of fuel | 31 |
| 1989-14 | Nazareth | 21 | 8 | 5 | 6 | Michael Andretti | Lola / Chevrolet | 196/200 | 17,540 | running | 0 |
| 1989-15 | Laguna Seca | 28 | 4 | 7 | 6 | Michael Andretti | Lola / Chevrolet | 84/84 | 18,600 | running | 2 |
