The 1958 Buenos Aires Grand Prix was a Formula Libre race[1] held at Buenos Aires on 2 February 1958, at the Autódromo Oscar Alfredo Gálvez.
| Pos | Driver | Constructor | Laps | Time/Retired |
|---|---|---|---|---|
| 1 |  Juan Manuel Fangio
|
Maserati 250F | 60 | 2:38:47.3 |
| 2 |  Luigi Musso
|
Ferrari 246 | 60 | 2:39:56.7 |
| 3 | Carlos Menditeguy
|
Maserati 250F | 59 | |
| 4 | Giorgio Scarlatti Jean Behra
|
Maserati 250F | 57 | |
| 5 |  Jo Bonnier
|
Maserati 250F | 57 | |
| 6 | José Froilán González
|
Ferrari-Chevrolet | 57 | |
| 7 | Ramón Requejo
|
Chevrolet Special | 56 | |
| 8 |  Marcos Galván
|
Ford Special | 55 | |
| 9 | Danton Bazet
|
Chevrolet Special | 54 | |
| 10 | Asdrúbal Fontes Bayardo
|
Maserati-Chevrolet | 51 | |
| 11 |  Horace Gould
|
Maserati 250F | 40 | |
| Ret | Peter Collins
|
Ferrari 246 | DNF | |
| Ret | Mike Hawthorn
|
Ferrari 246 | DNF | |
| Ret |  Wolfgang von Trips
|
Ferrari 246 | DNF | |
| Ret | Roberto Bonomi
|
Maserati 250F | DNF | |
| Ret |  Ken Kavanagh
|
Maserati 250F | DNF | |
| Ret | Stirling Moss
|
Cooper T43 Climax | DNF | |
| Ret | Jesús Iglesias
|
Chevrolet Special | DNF | |
| Ret | Roberto Miéres
|
Maserati 250F | DNF |
