500 Cc Classification
| Pos | Rider | Manufacturer | Laps | Time | Grid | Points |
|---|---|---|---|---|---|---|
| 1 | Mick Doohan | Honda | 29 | 38:03.841 | 1 | 20 |
| 2 | Wayne Rainey | Yamaha | 29 | +0.185 | 3 | 17 |
| 3 | Kevin Schwantz | Suzuki | 29 | +15.625 | 2 | 15 |
| 4 | Wayne Gardner | Honda | 29 | +15.827 | 4 | 13 |
| 5 | Eddie Lawson | Cagiva | 29 | +38.688 | 6 | 11 |
| 6 | Juan Garriga | Yamaha | 29 | +59.489 | 8 | 10 |
| 7 | Doug Chandler | Yamaha | 29 | +1:13.608 | 9 | 9 |
| 8 | Didier de Radiguès | Suzuki | 28 | +1 lap | 7 | 8 |
| 9 | John Kocinski | Yamaha | 28 | +1 lap | 5 | 7 |
| 10 | Eddie Laycock | Yamaha | 28 | +1 lap | 11 | 6 |
| 11 | Michael Rudroff | Honda | 27 | +2 laps | 13 | 5 |
| 12 | Marco Papa | Cagiva | 27 | +2 laps | 12 | 4 |
| Ret | Adrien Morillas | Yamaha | 4 | Retired | 10 | |
| DNQ | Cees Doorakkers | Honda | ||||
| DNQ | Sepp Doppler | Yamaha | ||||
| DNQ | Hans Becker | Yamaha | ||||
| DNQ | Helmut Schutz | Honda | ||||
| DNQ | Andreas Leuthe | Suzuki | ||||
| DNQ | Niggi Schmassman | Honda | ||||
| DNQ | Martin Trösch | Honda | ||||
Read more about this topic: 1991 Austrian Motorcycle Grand Prix