| «1958-01» | Argentina Grand Prix - VI Gran Premio de la Republica Argentina |
| 1958-01-19 | Buenos Aires - Autodromo Juan y Oscar Gálvez - 80 laps × 3.912 km : 312.96 km |
| Car | Driver | Chassis | Engine | Tyres | Team Name |
|---|---|---|---|---|---|
| 2 | Juan Manuel Fangio | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Scuderia Sud Americana |
| 4 | Jean Behra | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | K Kavanagh |
| 6 | Carlos Menditeguy | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Scuderia Sud Americana |
| 8 | Harry Schell | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | J Bonnier |
| 10 | Francisco Godia-Sales | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Privateer |
| 12 | Horace Gould | Maserati 250F | Maserati 250F1 L6 2.5 | Dunlop | H.H. Gould |
| 14 | Stirling Moss | Cooper T43 | Climax FPF L4 2.0 | Continental | RRC Walker Racing Team |
| 16 | Luigi Musso | Ferrari D246 | Ferrari 143 V6 2.4 | Englebert | Scuderia Ferrari |
| 18 | Peter Collins | Ferrari D246 | Ferrari 143 V6 2.4 | Englebert | Scuderia Ferrari |
| 20 | Mike Hawthorn | Ferrari D246 | Ferrari 143 V6 2.4 | Englebert | Scuderia Ferrari |
| 22 | Wolfgang von Trips | Ferrari D246 | Ferrari 143 V6 2.4 | Englebert | Scuderia Ferrari |
| 24 | Masten Gregory | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Scuderia Centro Sud |
| 26 | Jo Bonnier | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Scuderia Centro Sud |
| 28 | Colin Davis | OSCA F2 | OSCA 372 L4 1.5 | Pirelli | OSCA Automobili |
| 30 | Jose-Froilan Gonzalez | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Privateer |
| 32 | Roberto Mieres | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Privateer |
| 34 | Luigi Piotti | Maserati 250F | Maserati 250F1 L6 2.5 | Pirelli | Privateer |