1991 CART Series Motoren Kampioenschap Stand
| # | Motor | Punten | |
|---|---|---|---|
| 1. |  Chevrolet |
374 |
|
| 2. |  Judd |
93 |
|
| 3. |  Cosworth |
57 |
|
| 4. |  Alfa Romeo |
56 |
|
| 5. |  Buick |
15 |
|
Volgende Race: XPEL Grand Prix at Road America, 21 Juni, 20:27 CET