Audi S6 Review

Fast four-doors have been around forever, but the Audi S6 provides an enticing mix of people-friendly room, blistering speed all-weather traction and brand-name cachet. Three generations of S6 have graced our shores to date, though their sporadic appearances and truncated lifespans sure bring new meaning to the term "limited edition."From the start, the S6's mission has been to be an