At around $170,000, the W1 comfortably tops Australia’s previously most expensive car, HSV’s own $155,000 W427 of 2008. The W1’s tag makes it around 70 percent more expensive than a GTS-R, so, ignoring the potential collector value and speculative appreciation, does that make it reasonable value? Or crazy money? Let’s look at how a couple of German brands price their limited-run, hi-po models. Compare it to a regular M4 Competition ($154,000) and the limited-edition, water-injected, track-focussed M4 GTS, at $295,000 – a 92 percent increase. Or you could compare at Porsche’s 911 GT3 RS versus a Carrera S: typically a circa-55 percent jump. On that basis, $170,000 sits somewhere in the middle. Further, a couple of industry observers have tipped that given the developments costs, HSV will barely make money…