1987 IndyCar season Teams and drivers Teams and drivers

| Team | Chassis | Engine | Drivers | Sponsors | Rounds |
|---|---|---|---|---|---|
| Patrick Racing | March 87C | Chevy A | Kevin Cogan | Marlboro | 1-4, 6-15 |
| Patrick Racing | March 87C | Chevy A | Emerson Fittipaldi | Marlboro | All |
| Penske Racing | PC-16 / March 87C | Chevy A | Danny Sullivan | Miller American | All |
| Penske Racing | PC-16 / March 87C | Chevy A | Rick Mears | Pennzoil Z-7 | All |
| Penske Racing | March 86C | Cosworth | Al Unser | Cummins / Holset Turbo | 9-10 |
| Penske Racing | PC-16 | Chevy A | Al Unser | Cummins / Holset Turbo | 15 |
| Penske Racing | March 86C | Cosworth | Al Unser | Cummins / Holset Turbo | 3 |
| Porsche | Porsche | Porsche | Al Unser | Quaker State | 14 |
| Porsche | Porsche | Porsche | Al Holbert | Quaker State | 15 |
| Raynor | Lola T8700 | Cosworth | Dennis Firestone | Raynor Garage Door | 1-3 |