Performance specs of 0 to 60 in 3.7 seconds and a top speed in excess of 200 mph are required to be called a true supercar. The members include Ferrari’s 458, Porsche’s GT2 Turbo, Lamborghini’s Aventador and the Bugatti Veyron. But now a 4-door sedan that can take the kids to soccer practice has joined the club; the revolutionary 2016 Cadillac CTS-V, the most powerful product in the brand’s 112-year history. Powered by a fire-breathing, supercharged 640-hp V8 linked to a silky-smooth 8-speed paddle-shifting transmission, the CTS-V combines a luxurious leather and carbon-fiber lined cockpit with a body, framework and suspension that is ready to take on Homestead raceway’s road course right off the showroom floor. This is a sedan that can trump whatever supercar your pretentious brother-in-law may own, yet it’s also perfect for real-world city driving; Cadillac.com.