Audi would probably prefer you not to realise this, but the five distinct versions of S4 and S5 on the market all pertain to a single performance ... where the bubble top gives away its hatchback ...

The Audi RS 7 is the high-performance companion to the standard Audi A7 hatchback, and is complemented in the automaker's performance lineup by the Audi RS 5 coupe, Audi S4 sedan, and subcompact ...