Audi readying 650-hp Sport Quattro Concept for Frankfurt

Remember Audi's perfectly lovely Quattro Concept from the 2010 Paris Motor Show. Of course you do. The latter-day Ur-Quattro is laser-etched in our brains as well – and not just because Audi was kind enough to offer our man Michael Harley a mountain drive of its seven-figure showcar. At the time, Audi hinted that the coupe might have a showroom future, but the gossip pipeline has long since gone dry, leading us to believe that the car's production hopes had soured.

Autoblog , Audi readying 650-hp Sport Quattro Concept for Frankfurt, Audi readying 650-hp Sport Quattro Concept for Frankfurt