RS6, primarly because I prefer the LED setup within the headlamp as opposed to it being a seperated item.

S6, I hate the new Rs6 lights and the S6 LEDs are just great

the best combo would be the RS6 bumper with the S6 LED lights

Yeah, well with out that strip of LEDS across the top of the RS6 lights

RS6 takes my vote , even tho i love those LED's on the S6

Both cars look a bit boring... But S6 is more boring.

RS6 for me, the S6 is overdesigned.

I prefer the front end of the S6, the RS6 looks a bit too pale and understated.

S6, thank you.

S6 for me. For me the grille on the S6, S5, S8 etc attracts your eyes more than any other of the Audi grilles. They look brilliant - you can instantly tell its an S model. The RS6 fron is nice, but S6 is nicer!