1940 Circuito de Gavea Nactonal
10 November - Gavea: 40 laps x ? km = ? km

 Pole Position: 
 Fastest Lap:   Oldemar Ramos  Alfa Romeo

Results:

1 R. Abrunhosa         Studebaker     2:49:49.0
2 Chico Landi          Maserati       39
3 A Goncalves          Ford           39
4 J.S. Mauro           Ford           39
5 A.J. Pereira         Maserati       37

Did Not Finish

  O. Ramos             Alfa Romeo     11 tyre
  A. Júnior            Lincoln         7 
  G. Avellar           Alfa Romeo B    7 
  L.T. Moraes          Alfa Romeo      6 
  D. Lopes             Bugatti           mechanical
  J.S. Soeiro          Fiat              accident
  K. Higa              Ford              accident
  G. Bianco            Fiat              accident 

Not Classified:

  D. da Costa e Silva  Willys
  F. Andrada           Alfa Romeo
  J. Bernardo          Ford
  J. de Moraes         Wanderer
  M. Brandão           Ford
  R. Miranda           Alfa Romeo