Extra Championship
SummaryStatisticsTeamsPositionsTeam MatesYear by Year
| Name | Geraldo Bonn |
| Country |  Brazil |
| First Race | Circuito da Quinta da Boa Vista 22/04/1951 |
| Last Race | Circuito da Quinta da Boa Vista 24/06/1951 |
| Best Qualifying | 6th – Circuito da Quinta da Boa Vista 24/06/1951 |
| Best Result | 5th – (2 times) |
| Races | 2 |
| Victories | 0 |
| Poles | 0 |
| Fastest Laps | 0 |
| Podiums | 0 |
| Laps | 81 |
| Laps Led | 0 |
Maserati (1951)
| 5th | 2 Times |
| Season | Team | Team Mate | Best Pos | Points | Wins | Poles | Position | Qualifying | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1951 | Maserati | Annuar de Góes | 5 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 2 |
| Armando Silva | 5 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | ||
| Francisco Azevedo | 5 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | ||
| Francisco Credentino | 5 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | ||
| Gino Bianco | 5 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 2 | ||
| Henrique Casini | 5 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | ||
| Mario Valentim | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | ||
| Vasco Sameiro | 5 | 8 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 2 | ||
