1938 GP da Cidade de Rio de Janeiro
12 June - Gavea: 279.000 km (11.160 km x 25 laps)

Pole position: 
Fastest lap:  

Results:

1 Carlo Pintacuda        Alfa-Romeo 308      2:33'37.2
2 Carlos Arzani          Alfa-Romeo 8C-3500  25
3 Manoel de Oliveira     Ford V8 Special     25
4 Arthur Nascimento      Alfa-Romeo B        25
5 Casimiro de Oliveira   Bugatti
6 Mario Tadini           Alfa-Romeo B
7 Quirino Landi          Fiat
8 Garabato               Chrysler

Did Not Finish:					

  F Landi                Alfa-Romeo          21	
  J Braga                Alfa-Romeo          15 Accident
  B Lopes                Alfa-Romeo             Accident
  L Tavares Moraes       Alfa-Romeo

Not Classified:			

  C Marques Porto        Bugatti
  D Lopes                Bugatti
  Geraldo / S Pedro      Ford
  L Decarolli            Maserati 8CM
  M Valentim             Ford
  N Teixeira             Alfa-Romeo
  N Jung                 Ford