Gerald Grohmann
| Team | Custom Speed |
| residence | Bad Vöslau, Austria |
| Occupation | |
| First races | |
| sponsors | |
| sport achievements |
2011 Europameister Ferrari Challenge 2017-2021 div Siege und Podeste im Alfa Revival Cup/Italien auf Alfa Romeo GTAm |
588 Touring Car Open
188 Histo Cup Spezialtourenwagen
| Class: | über 4000ccm |
| building year: | 1965 |
| cubic capacity: | 5866ccm |