Station wagons used to be a dime a dozen from German automakers, but lately – in North America, at least – most wagons have disappeared to make way for SUVs and crossovers. The RS6 Avant is one of Audi’s few remaining concessions to its wagon ways of the past, and it also happens to be one of the brand’s fastest, best-handling cars. And as is the case with most Audis, the RS6 Avant looks expensive without being showy.