Sports cars are famously undefinable, encompassing a broad array of roadsters, four-door cars, coupes, grand tourers, supercars, and even some straight-up race cars. Power, or lack thereof, is not a useful metric because a Mazda Miata is a sports car, and so is a Porsche 918 Spyder, but not a Bugatti Veyron, which is a hypercar. Space isn’t a useful metric either, since many sports cars have more than two seats; price might be an even worse guide. What a sports car is, instead, is primarily a vibe: Chevy Corvettes and Porsche 911s are the archetypal sports cars, and almost every modern sports car can trace its roots there. Defining the greatest sports cars ever made presents a deeper challenge, inviting a certain degree of madness. We think the Mercedes-Benz 300 SL is the best that’s ever been done, for example, unless it’s the McLaren F1, or the Acura NSX. For this list, we’ve selected the greatest of this millennium, an..