Audi Japan releases new S series with fuel-saving engine

TOKYO, Japan - Photo taken Aug. 27, 2012, in Tokyo's Chiyoda Ward, shows the S8 sedan Audi Japan KK began selling in Japan the same day. The Japanese arm of the German automaker launched four new S series luxury models --the S6 sedan, S6 Avant wagon, S7 Sportback and S8 sedan -- that are equipped with a fuel-saving eight cylinder engine that switches off four cylinders when full power is not required.