Nope
It's the battle of the titans. The two biggest (only? Does anyone else make a car in Australia anymore?) Australian car manufacturers going head to head to compete for the love of their ugly stepchildren, the Australian Public.
Once upon a time when the class was called The Australian Touring Car Championship it was open to all makes who marketed a vehicle in Australia. In order to compete you needed to have built at least 500 models of whatever car you (as a manufacturer) wanted to race for sale in Australia. The car had to (apart from safety and basic race modifications) be identical to the car brought from the dealer.
IMO it's lost a little of what it had back in the old days. It's no longer a racing series that guides the Australian market like it used to and it's lost some of its appeal. The cars you see on that track have only a few similarities to the ones you see on the showroom floor these days. I think they are body (just the outside appearance, even these have been specially modified by the factories), drivetrain and engine.
Everything else is purpose built from the ground up as a racecar.
