Got a spare £72,000 handy? If so, you could find yourself driving away in the luxury Audi Prince Harry and Meghan Markle used to tour the UK. The Audi RS6 4.0 Avant Tiptronic Quattro 5dr has been placed up for sale in Autotrader and has just 4,500 miles on the clock. Packed with £11,330 of(…)