Major changes included: The third generation S6 is a mid-size luxury sport sedan from Audi. Equipped with a 429-hp 5.2-liter V10, the S6 is a powerhouse in its class. Quattro all-wheel drive comes standard along with a 6-speed tiptronic automatic transmission. A set of 19-inch S-Line alloy wheels come standard. Other key features include full leather interior, push-button ignition and rear view camera.
