The 12 Hottest Cars from the Frankfurt Auto Show [SLIDESHOW]

High performance and groundbreaking new designs dominated the floor this year at Frankfurt’s International Motor Show (IAA), the world’s largest auto show. The Messe Frankfurt (the show’s annual home) is a veritable city within a city, with nearly every German brand claiming an entire hall unto itself. At BMW, cars zoom around the multilevel complex on an indoor track. At Audi, red streaks of light shoot along a long, darkened antechamber reminiscent of Disneyland’s Space Mountain. But the real stars are the cutting-edge sports cars, SUVs, and concepts from the likes of Bentley, Ferrari, Porsche, and more. Here are our 12 favorites.