Stefan Riedler
| Team | Oldiegutachten.at |
| residence | Fernitz, Austria |
| Occupation | |
| First races | |
| sponsors | Oldiegutachten.at |
| sport achievements |
89 Classica Trophy
| Class: | Classica Digital |
| building year: | 1984 |
| cubic capacity: | 3200ccm |
| Team | Oldiegutachten.at |
| residence | Fernitz, Austria |
| Occupation | |
| First races | |
| sponsors | Oldiegutachten.at |
| sport achievements |
| Class: | Classica Digital |
| building year: | 1984 |
| cubic capacity: | 3200ccm |