Race Result
| GP n. 65 - 19/01/1958 - Grand Prix of Argentina Autodromo Oscar Alferedo Galvez |
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| Winner: | Stirling Moss / Cooper-Climax - 2:19'33.7 | ||||||
| Pole Position: | Juan Manuel Fangio / Maserati - 1:42.0 | ||||||
| Fastest Lap: | Juan Manuel Fangio / Maserati - 1:41.8 | ||||||
| Pos | Nš | Driver | Constructor | Laps | Time/Retired | Grid | Points |
| 1 | 14 |  Stirling Moss |
Cooper-Climax | 80 | 2:19'33.7 | 7 | 8 |
| 2 | 16 |  Luigi Musso |
Ferrari | 80 | + 2.7 | 5 | 6 |
| 3 | 20 | Mike Hawthorn |
Ferrari | 80 | + 12.6 | 2 | 4 |
| 4 | 2 |  Juan Manuel Fangio |
Maserati | 80 | + 53.0 | 1 | 4 |
| 5 | 4 |  Jean Behra |
Maserati | 78 | + 2 laps | 4 | 2 |
| 6 | 8 |  Harry Schell |
Maserati | 77 | + 3 laps | 8 | 0 |
| 7 | 6 | Carlos Menditeguy |
Maserati | 76 | + 4 laps | 6 | 0 |
| 8 | 10 |  Paco Godia |
Maserati | 75 | + 5 laps | 9 | 0 |
| 9 | 12 | Horace Gould |
Maserati | 71 | + 9 laps | 10 | 0 |
| Ret | 18 | Peter Collins |
Ferrari | 0 | halfshaft | 3 | 0 |