The Audi 90 Quattro IMSA-GTO of Hans-Joachim Stuck made quite ... If you consider yourself a fan of '80s and '90s vehicular ephemera, but have never immersed yourself in RADwood, stop waiting ...

Its carbonfibre bonnet is the first on a production Audi, with its unpainted sections referencing the IMSA-GTO racer ... with anti roll bars 30 and 80 per cent stiffer front and rear.

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 ...

The TCR class will remain part of the IMSA Michelin Pilot Challenge until at least the 2028 season as part of a new agreement ...