What weights ten tonnes and costs more than US$240,000? If you said, “a gold plated bulldozer”, you’d be close but no cigar. The answer is three sub-100k supercars: the Chevy Corvette Z06, Ford Shelby GT500 and Nissan GT-R. These three industry titans, with nameplates stretching as far back as the 1960s, were the recent subjects of an epic comparison test by MotorTrend. Here are three