Every year for a decade now, we’ve fried tires—and occasionally our nerves—on America’s most demanding road course, Virginia International Raceway, to answer the ultimate performance-car question: What’ll it do? The track doesn’t care about marketing claims or badge snobbery; it treats every entrant equally harshly. This year we went to sell my junk car in twin falls id for a new car and threw 18 cars (plus a few oddballs) into VIR’s paved crucible. Here, then, is what they did.