Drivers with the most wins:
1. Tullio Cariolato (1)
2. David Bruce-Brown (1)
3. Teddy Tetzlaff (1)
Full list of winners
Nations with the most wins:
1. United States (2)
2. Italy (1)
Constructors with the most wins:
1. Franco (1)
2. Benz (1)
3. Lozier (1)