Mainly a carryover for the current model year, the 2013 Audi A6 is a mid-size luxury sedan that is available with a standard 2.0-liter turbocharged 4-cylinder engine or an optional 3.0-liter supercharged V6 engine. The base 2.0-liter engine is paired with a CVT transmission to produce 211 hp and 258 lb-ft of torque. Upgrading to the 3.0-liter engine grants the driver an 8-speed automatic transmission and a boosted engine performance of 310 hp and 325 lb-ft of torque (and new for 2013 the utilization of start/stop technology). Fuel mileage falls within EPA estimated range of 25 mpg city and 33 mpg highway. Features include LED taillights, heated side mirrors, heated windshield nozzles, xenon headlights with LED daytime running lights, front and rear parking sensors, leather interior, heated steering wheel, four-zone automatic climate control, heated front/rear seats, sunroof, keyless start, BOSE® sound system, navigation, and hands-free phone capabilities. Safety is comprised of front head airbags, head curtain airbags, thorax side airbags, knee airbags, anti-lock braking, electronic brake distribution, traction control, electronic stabilization, and night vision with pedestrian detection. The A6 is backed by a 4-year/50,000-mile warranty.