EntrantsGridGrand Prix
| Official Name | IV Gran Premio Juan Perón y de la Ciudad de Buenos Aires |
|---|---|
| Circuit | Palermo |
| Date | December 18, 1949 |
| Pole | Luigi Villoresi 02:31.100 |
| Fastest Lap | Juan Manuel Fangio 02:29.200 |
| Podium | 1st Alberto Ascari (35) , 2nd Juan Manuel Fangio, 3rd Luigi Villoresi |
| Next race | Gran Premio Eva Perón January 8 |
| P | N | Driver | Team | Car | Engine | Tyre | Time | Laps | FL | Led | Gr | Pts |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 12 |  Alberto Ascari |
Scuderia Ferrari | Ferrari 166 FL [125-C-01] |
Ferrari 166 FL V12C 2.0 | - | 01:29:00.100 | 35 |
35 |
2 |
0 |
|
| 2 | 16 |  Juan Manuel Fangio |
Automovil Club Argentino | Ferrari 166 FL [013F] |
Ferrari 166 FL V12C 2.0 | - | 01:29:29.400 | 35 |
02:29.200 |
0 |
4 |
0 |
| 3 | 44 | Luigi Villoresi |
Scuderia Ferrari | Ferrari 166 FL [125-C-02] |
Ferrari 166 FL V12C 2.0 | - | 01:30:38.300 | 35 |
0 |
1 |
0 |
|
| 4 | 6 | Benedicto Campos |
Automovil Club Argentino | Ferrari 166 FL [011F] |
Ferrari 166 FL V12C 2.0 | - | +1 lap | 34 |
0 |
6 |
0 |
|
| 5 | 8 | José Froilán González |
José F. González | Maserati 4CLT/48 [1600] |
Maserati 4CL L4C 1.5 | - | +1 lap | 34 |
0 |
12 |
0 |
|
| 6 | 42 |  Prince Bira |
Enrico Platé | Maserati 4CLT/48 [1607] |
Maserati 4CL L4C 1.5 | - | +1 lap | 34 |
0 |
10 |
0 |
|
| 7 | 30 |  Emmanuel de Graffenried |
Enrico Platé | Maserati 4CLT/48 [1601] |
Maserati 4CL L4C 1.7 | - | +2 laps | 33 |
0 |
13 |
0 |
|
| 8 | 10 | Dorino Serafini |
Scuderia Ferrari | Ferrari 125 [04C] |
Ferrari 125 V12C 1.5 | - | +2 laps | 33 |
0 |
5 |
0 |
|
| 9 | 28 | Clemente Biondetti |
L. de Filippis | Maserati 4CLT/48 [1603] |
Maserati 4CL L4C 1.7 | - | +2 laps | 33 |
0 |
18 |
0 |
|
| 10 | 40 |  Peter Whitehead |
P. N. Whitehead | Ferrari 125 [10C] |
Ferrari 125 V12C 1.5 | - | +3 laps | 32 |
0 |
20 |
0 |
|
| 11 | 46 |  Louis Chiron |
Ecurie Helvetia | Maserati 4CLT/48 [1606] |
Maserati 4CL L4C 1.7 | - | +3 laps | 32 |
0 |
16 |
0 |
|
| 12 | 4 |  Philippe Étancelin |
Philippe Étancelin | Talbot-Lago T26C [110008] |
Talbot 23 CV L6 4.5 | - | Oil pressure | 32 |
0 |
7 |
0 |
|
| 13 | 26 |  Eitel Cantoni |
E. Cantoni | Maserati 4CM [1559] |
Maserati 4CM L4C 1.5 | - | +3 laps | 32 |
0 |
19 |
0 |
|
| DNF | 22 | Piero Taruffi |
P. Taruffi | Maserati 4CLT/48 [1610] |
Maserati 4CL L4C 1.7 | - | Suspension | 20 |
0 |
9 |
0 |
|
| DNF | 2 | Giuseppe Farina |
Giuseppe Farina | Maserati 4CLT/48 [1609] |
Maserati 4CL L4C 1.7 | - | DNF | 16 |
0 |
3 |
0 |
|
| DNF | 38 | Louis Rosier |
Écurie (Louis) Rosier | Talbot-Lago T26C [110001] |
Talbot 23 CV L6 4.5 | - | Brakes | 14 |
0 |
8 |
0 |
|
| DNF | 36 | Piero Carini |
P. Carini | Maserati 4CLT/48 [1608] |
Maserati 4CL L4C 1.5 | - | Electrics | 11 |
0 |
15 |
0 |
|
| DNF | 18 | Pascual Puópolo |
San Isidoro | Maserati 4CLT/48 [1605] |
Maserati 4CL L4C 1.5 | - | DNF | 9 |
0 |
11 |
0 |
|
| DNF | 14 | Reg Parnell |
Scuderia Ambrosiana | Maserati 4CLT/48 [1596] |
Maserati 4CL L4C 1.5 | - | Oil pressure | 6 |
0 |
21 |
0 |
|
| DNF | 20 | Clemar Bucci |
C. Bucci | Alfa Romeo 12C-37 [51204] |
Alfa Romeo 12C L12C 4.5 | - | DNF | 5 |
0 |
14 |
0 |
|
| DNF | 32 | Felice Bonetto |
Scuderia Milan | Maserati 4CLT/50 [1612] |
Speluzzi 4CL L4C 1.5 | - | DNF | 4 |
0 |
17 |
0 |
|
| DNS | 24 | Óscar Alfredo Gálvez |
O. Gálvez | Alfa Romeo Tipo 308 [50017] |
Alfa Romeo L8C 3.8 | - | DNS | 0 |
0 |
0 |
||
| DNS | 34 |  Manfred von Brauchitsch |
San Isidoro | Maserati 8CL [3034] |
Maserati 8CL L8C 3.0 | - | DNS | 0 |
0 |
0 |