Audi Quattro GmbH, the Neckarsulm-based Audi skunkworks responsible for engineering the high-performance RS models as well as the mid-engine R8, worked on the Concept’s dirty parts. Engineers ...

When it first arrived, the 2007 Audi R8 stunned enthusiasts with its mid-engine, all-grip Quattro drivetrain that featured a 4.2-liter V-8 similar to the one offered by the RS 4 (albeit with a ...