Audi had driving prototype of centre engined car. Walter Roehl only driven it once and on public road (whole project was kept secret from Audi menagment and they couldn't their norrmal secret testing site in Czech Republic for some reason) but commented it was great on it's first and last outing.

Grp.B was to be replaced with Grp.S with 300bhp limit but FIA panicked after Grp.B accidents and revolution came. First Grp A Lancia had about 260bhp