1964 Sandown 6 Hour International

The 1964 Sandown 6 Hour International was an endurance race for saloon cars complying with FIA Group 1 regulations. The event was held at the Sandown Park circuit in Victoria, Australia on 29 November 1964 and was the genesis of what is now known as the Sandown 500. The race was won by Roberto Bussinello and Ralph Sachs, driving an Alfa Romeo Giulia TI Super.

Classes
Entries competed in seven classes as follows:
 * Class A : Over 3000cc
 * Class B : 2501-3000cc
 * Class C : 2001-2500cc
 * Class D : 1601-2000cc
 * Class E : 1301-1600cc
 * Class F : 900-1300cc
 * Class G : Open (ineligible for outright awards)

Class G was for entries which were modified to FIA Group 2 specifications.

Results
There were 37 starters in the race and 28 cars were classified as finishers.