Class B cars started the race first followed by the Class A entries thirty seconds later.[1]
Class C cars started next, the first group four minutes after the Class A cars and the remainder thirty seconds after that.[1]
The Class D cars were the last to start,[1] thirty seconds after the Class C cars.[4]
The winner of the Grand Prix was to be the entry, irrespective of class, which made the fastest time for the race.[1]
^ abcdefgAustralian Grand Prix - The 50-race history, pages 28 to 34
^Car 12 was entered for John Cleaver to drive but was actually driven in the race by Bill Lowe, as outlined on page 29 of A History of Australian Grand Prix 1928–1939
^John B. Blanden, Historic Racing Cars in Australia, 1979, page 191
^Australian Grand Prix - The 50-race history, page 30 indicates that the Bernadou Bugatti was a Type 23
^A History of Australian Grand Prix 1928–1939, page 190 lists Saville's Amilcar as a retirement but page 31 states that the car "had problems during practice and did not start the race".