The race was run between 1924 and 1961 with a variety of vehicle classes.
The original seven vehicle classes return, including, for the first time, Monster Trucks.
There are 8 vehicle classes that take the form of remote controlled vehicles.
All other vehicle classes have a single hybrid model present with no competition.
But it also showed considerable variation within vehicle classes.
Some vehicle classes also allow human power input.
This is twice the fatality rate of the safest vehicle class, a "large car".
Thus, Holden abandoned those vehicle classes altogether in 1984.
Day time cash prices for various vehicle classes since opening:
The goal of this drawings in studies can be to identify common design patterns for particular vehicle classes.