The Porsche Cayenne is an impressive SUV with all the performance most people could ever want, but the Cayenne Coupe gives it the looks to match its speed—with some sacrifice in rear-passenger headroom and cargo space. The Coupe-ified Cayenne is built with the same guts as the boxier SUV version and carries that same Porsche sports car DNA along with its more aggressive proportions. In its most subtle form, the Cayenne Coupe comes with a 348-hp turbocharged V-6 but the fire gets as hot as 468 horsepower for Cayenne Coupe S's twin-turbo V-8. There's also a plug-in hybrid that gets help from a battery pack to produce 463 horsepower..