Have to agree to FFOracing. There isn't a single car anywhere in any Ford division anywhere in the world the same, or even similar, to the Falcon. Camry and Magna, while both built here, can be found overseas.
The Commodore? Take an Omega, widen it a bit, put in rear suspension designed last century overseas, put in a front-drive engine turned 90 degrees or a US-built V8 into the front, and there you have an Australian car. Or in the case of HSV, bring in a US-built V8, send it back to the States, modified by outsourced tuner, bring the engines back, and then you have an Australian performance car.
At least FPV are doing their own engines.
The HSV...may not visually mirror the HRT cars, but it is a statement. Then again, so is 'I'm trying too hard'.