The luxury sports sedan market is chock-full with upscale German metal from BMW, Mercedes-Benz, Jaguar, and Audi. The latter has its iconic S6 sedan that bolts an untamed V8 to its luxurious mid-size sedan. The 2018 Audi S6’s performance per dollar is unmatched, and its cabin is as upscale as they come, but its exterior is getting a little rusty with age. Can the S6’s great pricing, performance, and comfortable interior overcome its so-last-year duds? Keep reading to find out.