[2] Alberto Uría entered the Argentine Grands Prix of 1955 and 1956.

Óscar González only race was a shared drive with Uría in the 1956 Argentine Grand Prix.

He completed the second half of the race, finishing in 6th place, 10 laps down from the race winner and 3 laps behind the 5th-placed driver.

Asdrúbal Fontes Bayardo is the most recent Uruguayan to enter a Grand Prix.

He failed to start the 1959 French Grand Prix, his only attempt at a Grand Prix.