Audi brings intelligent technologies, efficiency, exhilarating driving dynamics, state-of-the-art infotainment and new design elements to the best-selling Audi A4 series for the 2013 model year. Now in its eighth generation, the Audi A4 - known for its progressive design, sportiness and efficient performance - is available in Sedan and sporty S4 models, and - making its re-entry into the U.S. market - the iconic Audi allroad quattro. The chassis of the A4 is striking with its...