Its multicolored livery and white wheels are the first things to notice ... recalling the prominent double wing on the 1989 ...

Its carbonfibre bonnet is the first on a production Audi, with its unpainted sections referencing the IMSA-GTO racer ... GTO-inspired vents aft of the wheels to reduce air pressure and improve ...

and has gone to extreme lengths to transform a workaday Audi 90 into the IMSA GTO version of that car. Not wanting to go the stripe-and-bodykit route, this Audi's flares were painstakingly ...

Back in February, Audi revealed an RS6 Avant variant ... with a white wrap inspired by the brand's IMSA livery, complete with blocky "Avus" wheels finished in a glossy white.

The following year was even more spectacular, with Audi entering the IMSA GTO series with the fearsome ... and following in its wheel tracks would never be an easy task. Enter the Audi S2 Coupe ...