The Holden HSV Gen-F GTS is the most powerful car to emerge from the land down under. The Australian-made motor boasts a 6.2-liter V8 rated at 577 hp and 546 lb-ft of torque and costs the equivalent of close to $90,000. Imported cars are pricy in Australia, so when the country’s Drive magazine looked for a competitor for the high-performance Holden it turned to the Mercedes CLA45 AMG, which wears a sticker price of over $82,000. In the US it’s priced at $48,355.