EntrantsGridGrand Prix
| Pos | Nr | Driver | Car | Engine | Tyre | Time | Laps |
|---|---|---|---|---|---|---|---|
| 1 | 2 |  Vittorio Coppoli |
 Bugatti Type 35B [‘I’] |
Bugatti L8C 2.3 | – | 0 | |
| 2 | 4 |  Primo Fioresi |
 Ford A Special |
Ford L4 3.3 | – | 0 | |
| 3 | 6 | Nino Crespi |
Bugatti Type 35A [4602] |
Bugatti L8 2.0 | – | 0 | |
| 4 | 8 | Julio de Moraes |
 FIAT 508 Balilla |
FIAT L4C 1.5 | – | 0 | |
| 5 | 10 | José Santiago |
Franklin – |
Franklin 4.5 | – | 0 | |
| 6 | 12 | Adolfo Lo Turco |
Bugatti Type 35A [4876] |
Bugatti L8 2.0 | – | 0 | |
| 7 | 14 | Irineu Corrêa |
Chrysler 72 |
Chrysler L6 4.4 | – | 0 | |
| 8 | 16 | Ernesto Blanco |
REO Pistero |
REO L8 5.9 | – | 0 | |
| 9 | 18 | Major Hobson |
Amilcar CGS |
Amilcar L6C 1.1 | – | 0 | |
| 10 | 20 | Augusto McCarthy |
DeSoto ALS Bucci |
DeSoto L6 5.1 | – | 0 | |
| 11 | 22 | Júlio de Santis |
Ford V8 Special |
Ford V8 3.6 | – | 0 | |
| 12 | 24 | Domingos Lopes |
Essex Autoplano 8 |
Essex L8 4.2 | – | 0 | |
| 13 | 26 | Joaquim Sant’Anna |
FIAT 519 Special |
FIAT L6 4.8 | – | 0 | |
| 14 | 28 | Manuel de Teffé |
Alfa Romeo 6C-1750 [8613381] |
Alfa Romeo L6C 1.7 | – | 0 | |
| 15 | 30 | Raul Riganti |
Bugatti Type 30 [‘I’] |
Hudson 3.5 | – | 0 | |
| 16 | 32 |  Hector Suppici |
Lincoln Special |
Lincoln 6.3 | – | 0 |
| Official Name | 1º Grande Prêmio da Cidade do Rio de Janeiro |
|---|---|
| Circuit | Gávea |
| Date | October 8 |
| Pole | Vittorio Coppoli |
| Fastest Lap | Manuel de Teffé 09:02.500 |
| Podium | 1st Manuel de Teffé (8) , 2nd Primo Fioresi, 3rd Nino Crespi |
| Prev race | Donington Park Trophy October 7 |
| Next race | Mountain Championship October 21 |
| P | N | Driver | Team | Car | Engine | Tyre | Time | Laps | FL | Led | Gr | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 28 | Manuel de Teffé |
M. de Teffé | Alfa Romeo 6C-1750 [8613381] |
Alfa Romeo L6C 1.7 | – | 03:19:25.200 | 20 | 09:02.500 | 8 | 14 | 0 |
| 2 | 4 | Primo Fioresi |
P. Fioresi | Ford A Special |
Ford L4 3.3 | – | 03:31:43.000 | 20 | 0 | 2 | 0 | |
| 3 | 6 | Nino Crespi |
N. Crespi | Bugatti Type 35A [4602] |
Bugatti L8 2.0 | – | 03:32:08.600 | 20 | 0 | 3 | 0 | |
| 4 | 20 | Augusto McCarthy |
A. McCarthy | DeSoto ALS Bucci |
DeSoto L6 5.1 | – | 03:34:23.200 | 20 | 0 | 10 | 0 | |
| 5 | 2 | Vittorio Coppoli |
V. Coppoli | Bugatti Type 35B [‘I’] |
Bugatti L8C 2.3 | – | 03:48:50.000 | 20 | 12 | 1 | 0 | |
| 6 | 10 | José Santiago |
J. Santiago | Franklin – |
Franklin 4.5 | – | 03:51:49.100 | 20 | 0 | 5 | 0 | |
| 7 | 32 | Hector Suppici |
H. Suppici | Lincoln Special |
Lincoln 6.3 | – | 04:03:45.000 | 20 | 0 | 16 | 0 | |
| DNF | 30 | Raul Riganti |
R. Riganti | Bugatti Type 30 [‘I’] |
Hudson 3.5 | – | Steering | 17 | 0 | 15 | 0 | |
| DNF | 8 | Julio de Moraes |
J. de Moraes | FIAT 508 Balilla |
FIAT L4C 1.5 | – | Mechanical | 15 | 0 | 4 | 0 | |
| DNF | 26 | Joaquim Sant’Anna |
J. Sant’anna | FIAT 519 Special |
FIAT L6 4.8 | – | Mechanical | 15 | 0 | 13 | 0 | |
| DNF | 24 | Domingos Lopes |
D. Lopes | Essex Autoplano 8 |
Essex L8 4.2 | – | Collision | 9 | 0 | 12 | 0 | |
| DNF | 12 | Adolfo Lo Turco |
A. Lo Turco | Bugatti Type 35A [4876] |
Bugatti L8 2.0 | – | Mechanical | 6 | 0 | 6 | 0 | |
| DNF | 16 | Ernesto Blanco |
E. Blanco | REO Pistero |
REO L8 5.9 | – | Accident | 5 | 0 | 8 | 0 | |
| DNF | 18 | Major Hobson |
Major Hobson | Amilcar CGS |
Amilcar L6C 1.1 | – | Mechanical | 5 | 0 | 9 | 0 | |
| DNF | 22 | Júlio de Santis |
J. de Santis | Ford V8 Special |
Ford V8 3.6 | – | Mechanical | 1 | 0 | 11 | 0 | |
| DNF | 14 | Irineu Corrêa |
Irineu Corrêa | Chrysler 72 |
Chrysler L6 4.4 | – | Transmission | 0 | 0 | 7 | 0 |