AUDI A6 C6 (4F) was released in 2004. Designed by Satoshi Wada in 2001, this model is visually an evolution of the C5, but was lengthened to 4,927 mm (194.0 in), and has the new Audi "single-frame grille".

Like other contemporary Audis, the A6 has a "tornado line" that runs from the front lights to the rear lights just below the body shoulders…