From its thunderous, 577-hp supercharged V-8 to its massive brakes and bodacious bod, Holden's wicked new HSV Gen-F GTS stands alone as Australia's ultimate performance sedan. Once again making the 7500-mile trip to Oz, host Arthur St. Antoine joins Motor Trend's native Aussie, Angus MacKenzie, to wring out HSV's four-door beast on the writhing roads outside Sydney. From there, it's on to "the Nurburgring of Australia"--the treacherous Mount Panorama Circuit at Bathurst--where the GTS cuts loose around the famed race track in the company of one of its most successful Bathurst competitors of its time.