Previously an optional extra for the rear lights in Saloon and Avant models, LED lighting technology becomes standard feature with both body styles and – when xenon headlamps are specified – are also implemented in Audi’s distinctive strip format in the headlamp units of S line versions as standard. Positioned at the base of the lens, rather than separately lower down in the bumper as in the S6, these daytime running lights are exclusive to A6 S line models and to the RS 6.