The highly-anticipated RS 6 Avant is now on sale, and to celebrate the arrival of the high-performance wagon on U.S. shores, Audi of America announces the “RS Tribute edition.” A quarter of a century ago, the RS2 Avant kicked off the success story of Audi high-performance models. As a tribute to the first high-performance wagon from Audi, the RS 6 Avant “RS Tribute edition” with a limited production of 25 units, features unique design elements that harken back to the iconic RS2 Avant.