| Nation |  |
| First name | Willi |
| Last name | Sonntag |
| Nickname | |
| Profession | |
| Born on | 00.00.0000 |
| Birthplace |
| Number of races as rider | 27 |
| Number of first places | 1 |
| Number of second places | 1 |
| Number of third places | 2 |
| Podiums in percent | 14.81% |
| Total points | 107 |
| Driven WM races | 0 |
| Driven EM races | 0 |
| Driven DM races | 0 |
| Driven Bahnpokal | 1 |
Performance from Willi Sonntag compared to the following drivers
| Opponent | Pic | Country | Meetings |  |  | Won |
|---|---|---|---|---|---|---|
| Bernd Söger |  | | 2 | 13 | ||
| Frank Becker | | | 0 | 9 | ||
| Bernd Kugolowski | | | 3 | 6 | ||
| Frank Kallenberg | | | 3 | 6 | ||
| Stefan Sonntag | | | 2 | 6 | ||
| Reiner Ganster | | | 0 | 7 | ||
| Günter Leinke | | | 4 | 3 | ||
| Volker Orth | | | 0 | 7 | ||
| Peter Albrecht | | | 4 | 2 | ||
| Ewald Heim | | | 0 | 6 | ||
| Jörg Eilers | | | 5 | 1 | ||
| Karl Keil |  | | 0 | 5 | ||
| Achim Köhler | | | 5 | 0 | ||
| Michael Kunze | | | 2 | 3 | ||
| Michael Rücker | | | 3 | 2 |
| Date | City | Event | Lizenz | Place | Points |
|---|---|---|---|---|---|
| 04.08.1991 | Melsungen | offenes Rennen | A-SW | 13 | 0 |
| 16.06.1991 | Bad Hersfeld | offenes Rennen | A-SW | 9 | 1 |
| 09.05.1991 | Lüdinghausen | offenes Rennen | A-SW | 8 | 1 |
| 26.08.1990 | Hechthausen | offenes Rennen | A-SW | 4 | 0 |
| 29.07.1990 | Rastede | offenes Rennen | A-SW | 15 | 0 |
| 01.07.1990 | Ronneburg | offenes Rennen | A-SW | 8 | 1 |
| 24.06.1990 | Haiger-Allendorf | offenes Rennen | A-SW | 11 | 2 |
| 17.06.1990 | Mulmshorn | offenes Rennen | A-SW | 6 | 6 |
| 04.06.1990 | Harsewinkel | offenes Rennen | A-SW | 8 | 1 |
| 24.05.1990 | Jübek | offenes Rennen | A-SW | 2 | 16 |
| 06.08.1989 | Melsungen | offenes Rennen | B-SW | 1 | 15 |
| 30.07.1989 | Rastede | offenes Rennen | B-SW | 3 | 10 |
| 21.05.1989 | Mulmshorn | offenes Rennen | B-SW | 5 | 4 |
| 14.05.1989 | Wallroth | offenes Rennen | B-SW | 12 | 1 |
| 02.10.1988 | Plattling | Bahnpokal | B-SW | 12 | 1 |
| 25.09.1988 | Herxheim | offenes Rennen | B-SW | 5 | 2 |
| 18.09.1988 | Bad Hersfeld | offenes Rennen | B-SW | 8 | 2 |
| 04.09.1988 | Klein Krotzenburg | offenes Rennen | B-SW | 3 | 12 |
| 21.08.1988 | Celle | offenes Rennen | B-SW | 6 | 0 |
| 21.08.1988 | Spenge | offenes Rennen | B-SW | 7 | 0 |
| 14.08.1988 | Hof Birkenring | offenes Rennen | B-SW | 8 | 3 |
| 07.08.1988 | Melsungen | offenes Rennen | B-SW | 5 | 5 |
| 31.07.1988 | Rastede | offenes Rennen | B-SW | 4 | 8 |
| 24.07.1988 | Jübek | offenes Rennen | B-SW | 4 | 5 |
| 22.05.1988 | Wallroth | offenes Rennen | B-SW | 7 | 4 |
| 12.05.1988 | Jübek | offenes Rennen | B-SW | 6 | 4 |
| 02.09.1984 | Klein Krotzenburg | offenes Rennen | B-SW | 9 | 3 |