1991 PPG Indy Car World Series Schedule
| Race | Type | Country | Date (ET) | Winner |
|---|---|---|---|---|
| Gold Coast IndyCar Grand Prix Surfers Paradise |
Streetcourse |  |
March 17 |
J. Andretti |
| Toyota Grand Prix of Long Beach Long Beach |
Streetcourse |  |
April 14 |
A. Unser Jr. |
| Valvoline 200 Phoenix Raceway |
Oval | |
April 21 |
A. Luyendyk |
| Indianapolis 500 Indianapolis |
Oval | |
May 26 |
R. Mears |
| Miller Genuine Draft 200 Milwaukee Mile |
Oval | |
June 2 |
M. Andretti |
| Valvoline Detroit Grand Prix Detroit Belle Isle |
Streetcourse | |
June 16 |
E. Fittipaldi |
| Budweiser/G.I. Joe 200 Portland |
Roadcourse | |
June 23 |
M. Andretti |
| Budweiser Cleveland Grand Prix Cleveland |
Airfield | |
July 7 |
M. Andretti |
| Marlboro Grand Prix Meadowlands |
Streetcourse | |
July 14 |
B. Rahal |
| Molson Indy Toronto Toronto |
Streetcourse |  |
July 21 |
M. Andretti |
| Marlboro 500 Michigan International Raceway |
Oval | |
August 4 |
R. Mears |
| Texaco/Havoline Grand Prix at Denver Denver |
Streetcourse | |
August 25 |
A. Unser Jr. |
| Molson Indy Vancouver Vancouver |
Streetcourse | |
September 1 |
M. Andretti |
| Pioneer Electronics 200 Mid-Ohio |
Roadcourse | |
September 15 |
M. Andretti |
| Texaco/Havoline 200 Road America |
Roadcourse | |
September 22 |
M. Andretti |
| Bosch Spark Plug Grand Prix Nazareth |
Oval | |
October 6 |
A. Luyendyk |
| Toyota Monterey Grand Prix Laguna Seca |
Roadcourse | |
October 20 |
M. Andretti |