Just to round this off, the Simca Aronde may be found in South Australia, West of the Stuart Highway, on the Northeastern edge of the Great Victoria Desert.
More specifically, it's on the South side of the road between Indulkana (Iwantja) and Mimili. This is in the APY Lands, and unfortunately you need a permit to travel on the roads in this area (link to permit application web page:
Permits).
I presume it's just too far from Adelaide to be worthwhile for the scrap metal collectors, because there's an absolute fortune out here (or it would have been when scrap steel was worth something) - littering the sides of the roads, and collected into community dumps. Cars as old as the Simca are not that common, but do exist:
They certainly don't rust away!
Most cars are Commodores & equivalent Falcons (+ a few Valiants and Magnas). There are of course utes & trucks as well:
The aluminium tray is as good as new, and it comes with a fuel tank - on the tray!
Some of the newer cars are surprisingly small, and I'm not totally convinced of their practicality - apart from the ground clearance issues, most people out here have big families:
Probably the majority have been burnt like this one, but I suspect most of them were collateral damage when the grass was being burnt. It's raining quite regularly this winter, which in turn is leading to a big growth of grass, so I suspect that there will be a lot of burning off when the time is right!
Cheers
Alec