The 2013 Audi A6 is a mid-size luxury sport sedan that offers strong performance while also delivering all-weather confidence and good gas mileage. Interior and back-seat ... Meanwhile, the S6 remains ...

The 2016 Audi A6 is a mid-size luxury sport sedan that offers strong performance while also delivering all-weather confidence and good gas mileage. Interior and backseat space ... Meanwhile, the S6 ...