Whether it's the growth of the 80s/90s celebratory Redwood events or simply nostalgia for the Reagan through Clinton eras, there's no doubt that these particular decades are very hot in the automotive segment. Take for example this Audi exclusive S5 Sportback in inventory at Walter's Audi of Riverside. It's painted Wimbledon Green, a metallic teal color courtesy of Porsche and specific to the 964-era 911, 968 and their period correct stablemates. Of course, there's nothing retro...