A4, S4, A5, S5, RS4, RS5, Q5, SQ5, (B8)
Check out these images of an S5 Cabriolet we've found over at Audiblog.nl. The car appears to be a stock Ibis White S5 Cabriolet with 20-inch wheel option other than what appears to be an OEM front fascia from the RS 5.
There's no actual confirmation that the piece is the RS 5 piece or...