Field Report: Audi Quattro 90 IMSA GTO VS Audi 200 Trans-Am.

Audi 200 Turbo Quattro Trans-AM and the 1989 Audi 90 Quattro IMSA GTO, what’s the difference? Timo Witt of Audi Tradition was kind enough to give us a rundown on the differences between the Audi 200 Turbo Quattro Trans-AM and the 1989 Audi 90 Quattro IMSA GTO cars which dominated their respective championships, even with 3 rounds missing and last-minute development for the IMSA GT series which Timo touches on along with data logging capabilities in the late ’80s and the challenges of b...