For this event, a longer section of the Autopista General Pablo Riccheri route was added, making the circuit 17.136 km in length.
A grand total of 55 racing cars were registered for this event, of which all arrived for practice and qualifying.
Meanwhile, France was represented by a Gordini T24S in the hands of Élie Bayol and Harry Schell, and a T15 for the Argentine pairing of Adolfo Schwelm Cruz and Pedro J. Llano.
Car number 4, took an impressive victory, winning in a time of 6hrs 35:15.4 mins., averaging a speed of 93.748 mph.
The podium was complete by Equipo Presidente Peron’s Maserati A6GCS of José M. Faraoni and Ricardo Grandio, who were two laps adrift, but did win their class.