| Audi's A6 returns for 2010 as the company's full-size offering, with a number of different models giving performance, luxury, and versatility in a streamlined package. A range of different engines are available, starting with the 3.2-liter V6 offered in the front-wheel drive A6 sedan, making 255 horsepower and achieving an estimated 18 mpg city and 27 mpg highway. The big news this year is the new 3.0T supercharged V6, which makes 300 horsepower and is available in both A6 sedan and Avant wagon configurations. It utilizes direct injection as well as a roots-style supercharger with two contra-rotating four-vane shafts, delivering a maximum boost of 11.5 psi through twin water-to-air intercoolers. The 4.2-liter 350-hp V8 also returns as an option on the sedan, and the S6 again comes with the a version of the 5.2-liter V10 used in the Lamborghini Gallardo, which makes 435 horsepower. The 3.2-liter V6 comes with Audi's front-wheel drive system, known as FrontTrack, as well as Audi's Multitronic electronically-controlled continuously variable transmission. The 3.0-liter V6 and 4.2-liter V8 in the A6 and the 5.2-liter V10 in the S6 come standard with a Tiptronic manually-controllable six-speed automatic and the legendary Quattro all-wheel drive system, and a Dynamic Shift Program offers over 200 different shift programs to suit a wide variety of drivers. Quattro has been reworked slightly for 2009, having been adjusted to send 60% of engine torque to the rear wheels and 40% to the front. European models are again offered with Audi's air suspension system, but that feature has been dropped in U.S.-delivery models for 2009, replaced by larger-diameter shocks and revised spring rates to help smooth out ride quality over a variety of surfaces. Both a 4-door sedan and a wagon are offered, both offering comfortable seating for five, but the wagon adds excellent versatility as well, offering 33.9 cubic feet of cargo space. While the sedan gets updated rear styling, the Avant wagon is visually nearly the same in the rear as it was in 2008. |