C4
RS4 Sedan Prototype (1993)
Within this haze, an unusual model quietly surfaced in the early 1990s—the Audi 100 RS4. Despite sharing its badge with the later and far better-known B5-generation RS 4 Avant, this prototype was entirely different.
Audi S4 GTO (1992-1994)
The Audi 200 S4 GTO was a purpose-built touring car developed for the South African WesBank Modified Championship in the early 1990s.