While the autumn foliage may have been made up of warm yellow and amber orange, an Audi S5 Sportback we encountered last weekend while at Next Level Tuning's Oktoberfest event in Western, PA was anything but. The car, part of the current inventory at Audi Pittsburgh, was painted an icy cool Audi exclusive hue by the name of Cumulus Blue. Parked and situated, we approached the driver. It turns out that Pat McCulloch is a major Audi enthusiast who works in the service department at Audi Pit...