Sidecar Classification
| Pos | Rider | Passenger | Manufacturer | Laps | Time/Retired | Grid | Points |
|---|---|---|---|---|---|---|---|
| 1 | Steve Webster | Gavin Simmons | Krauser | 22 | 31:43.039 | 1 | 20 |
| 2 | Rolf Biland | Kurt Waltisperg | LCR-ADM | 22 | +15.773 | 3 | 17 |
| 3 | Masato Kumano | Eckhart Rösinger | LCR-Yamaha | 22 | +16.174 | 15 | |
| 4 | Klaus Klaffenböck | Christian Parzer | LCR | 22 | +16.511 | 9 | 13 |
| 5 | Paul Güdel | Charly Güdel | LCR-Krauser | 22 | +16.735 | 5 | 11 |
| 6 | Steve Abbott | Shaun Smith | LCR-Krauser | 22 | +17.141 | 10 | |
| 7 | Ralph Bohnhorst | Bruno Hiller | Bohnhorst | 22 | +18.107 | 11 | 9 |
| 8 | Egbert Streuer | Peter Essaff | LCR-Yamaha | 22 | +30.693 | 10 | 8 |
| 9 | Derek Brindley | Nick Roche | LCR | 22 | +50.156 | 7 | |
| 10 | Theo van Kempen | Jan Kuyt | LCR-Krauser | 22 | +51.465 | 13 | 6 |
| 11 | René Progin | Gary Irlam | LCR | 22 | +51.594 | 12 | 5 |
| 12 | Werner Kraus | Thomas Schröder | ADM | 22 | +53.107 | 4 | |
| 13 | Markus Bösiger | Peter Markwalder | LCR-ADM | 22 | +57.867 | 3 | |
| 14 | Gary Thomas | Michel van Puyvelde | Krauser | 22 | +59.430 | 2 | |
| 15 | Darren Dixon | Sean Dixon | LCR-Krauser | 22 | +1:27.816 | 15 | 1 |
| 16 | Markus Egloff | Urs Egloff | Yamaha | 22 | +1:30.638 | 4 | |
| 17 | Jos van Stekelenburg | Rinie Bettgens | LCR | 21 | +1 lap | ||
| Ret | Barry Smith | David Smith | Windle-ADM | 10 | Retired | ||
| Ret | Yoshisada Kumagaya | Bryan Houghton | Krauser | 8 | Retired | 7 | |
| Ret | Tony Wyssen | Killian Wyssen | LCR-Krauser | 7 | Retired | 6 | |
| Ret | Tony Baker | Simon Prior | LCR-Krauser | 4 | Retired | ||
| Ret | Alain Michel | Simon Birchall | Krauser | 0 | Retired | 2 | |
| Ret | Alfred Zurbrügg | Martin Zurbrügg | LCR-Yamaha | 0 | Retired | 14 | |
| DNS | Barry Brindley | Trevor Hopkinson | LCR-Yamaha | 8 | |||
| DNQ | Hans Hügli | Adolf Hänni | LCR | ||||
| DNQ | Peter Lemstra | Guy Scott | LCR | ||||
| DNQ | Billy Gällros | Peter Berglund | LCR | ||||
| DNQ | Reiner Kosta | Jurg Egli | Yamaha | ||||
Read more about this topic: 1991 Austrian Motorcycle Grand Prix