Stirling Moss won the Argentine Grand Prix 1958 at Autódromo Juan y Oscar Gálvez on 19 January 1958, starting from P7 on the grid. Luigi Musso finished second for Ferrari, with Mike Hawthorn completing the podium for Ferrari.
| Pos | Grid | Driver | Team | Laps | Time / Status | Pts | FL |
|---|---|---|---|---|---|---|---|
| 1 | 7 | Stirling MossMOS | Cooper | 80 | 2:19:33.7 | 8 | |
| 2 | 5 | Luigi MussoMUS | Ferrari | 80 | +2.7 | 6 | |
| 3 | 2 | Mike HawthornHAW | Ferrari | 80 | +12.6 | 4 | |
| 4 | 1 | Juan FangioFAN | Maserati | 80 | +53.0 | 4 | |
| 5 | 4 | Jean BehraBEH | Maserati | 78 | +2 Laps | 2 | |
| 6 | 8 | Harry SchellSCH | Maserati | 77 | +3 Laps | 0 | |
| 7 | 6 | Carlos MenditeguyMEN | Maserati | 76 | +4 Laps | 0 | |
| 8 | 9 | Paco GodiaGOD | Maserati | 75 | +5 Laps | 0 | |
| 9 | 10 | Horace GouldGOU | Maserati | 71 | +9 Laps | 0 | |
| R | 3 | Peter CollinsCOL | Ferrari | 0 | Halfshaft | 0 |