Audi, A6 and Sportback

Audi hasn't built an RS6 saloon since ... This appears to ring true with this S6 e-tron prototype, which adopts the same slim headlight design, tapered rear deck and monolithic proportions.
Does the new Audi S6 sedan represent the best mix of executive style and boy ... though the car overall doesn’t really copy anything specific. Things like the slim headlights and tail-lights, ...