Outstanding design defines the 2013 Audi A6. This 4 door, 5 passenger sedan has just over 80,000 miles. Smooth gearshifts are achieved thanks to the efficient 4 cylinder engine, and for added security, dynamic Stability Control supplements the drivetrain. A turbocharger further enhances performance, while also preserving fuel economy. Audi prioritized practicality, efficiency, and style by including: power front seats, a…