2017 Audi S4 Spotted Testing in the Alps, the Camouflage is Completely Gone – Photo Gallery

The new Audi RS4 is nowhere to be seen yet, but the Audi S4, however, is ready to make a debut this month at the Frankfurt Motor Show 2015. It’s not the first time we’re providing info on the 2017 Audi S4, but the latest batch of photos sent in by our car photographers from the field show the performance sedan wearing zero c…