1955 Buenos Aires Grand Prix
Race details
Date	30 January 1955
Official name	XI Gran Premio Ciudad de Buenos Aires
Location	Argentina
Course	Permanent racing facility
Course length	4.705 km (2.924 mi)
Distance	60 laps, 282.30 km (175.41 mi)
Podium
First	Juan Manuel Fangio	Mercedes-Benz
Second	Stirling Moss	Mercedes-Benz
Third	José Froilán González Maurice Trintignant	Ferrari

The 11th Gran Premio Ciudad de Buenos Aires was a Formula Libre motor race held on 30 January 1955 at the Autódromo 17 de Octubre in Buenos Aires. The race was held over two heats of 30 laps, with the winner decided by aggregate time, and was won by Juan Manuel Fangio in a Mercedes-Benz W196. His teammate Stirling Moss was second and José Froilán González and Maurice Trintignant shared a Ferrari 625 for third place.^[1]

Pos	No.	Driver	Entrant	Constructor	Laps
1	2	Juan Manuel Fangio	Daimler-Benz	Mercedes-Benz W196	60
2	6	Stirling Moss	Daimler-Benz	Mercedes-Benz W196	60
3	12	José Froilán González Maurice Trintignant	Scuderia Ferrari	Ferrari 625	60
4	4	Karl Kling	Daimler-Benz	Mercedes-Benz W196	60
5	16	Jean Behra	Officine Alfieri Maserati	Maserati 250F	60
6	24	Carlos Menditeguy	Officine Alfieri Maserati	Maserati 250F	60
7	20	Sergio Mantovani Harry Schell	Officine Alfieri Maserati	Maserati 250F	60
8	22	Luigi Musso Sergio Mantovani	Officine Alfieri Maserati	Maserati 250F	60
9	32	Clemar Bucci	Clemar Bucci	Ferrari 625	60
10	10	Giuseppe Farina José Froilán González	Scuderia Ferrari	Ferrari 625	59
11	14	Maurice Trintignant Umberto Maglioli	Scuderia Ferrari	Ferrari 625	59
12	40	Pablo Birger	Equipe Gordini	Gordini Type 16	58
13	38	Élie Bayol	Equipe Gordini	Gordini Type 16	58
14	30	Alberto Uría	Alberto Uría	Maserati 250F	54
15	48	Alfredo Pián Jose Manuel Faraoni Adolfo Schwelm Cruz	Alfredo Pián	Maserati A6GCM	47
16	42	Jesus Iglesias	Equipe Gordini	Gordini Type 16	47
17	18	Roberto Mieres	Officine Alfieri Maserati	Maserati 250F	45
	8	Hans Herrmann	Daimler-Benz	Mercedes-Benz W189	18
	36	Umberto Maglioli	Scuderia Ferrari	Ferrari 118LM