2013 Audi RS6

The Audi RS6, available in both sedan and Avant wagon bodystyles, is one of the most sought-after models for Audiphiles all around the world but sadly it's not currently offered in the U.S., its monster twin-turbo V-10 proving too expensive to comply with strict U.S. emissions regulations. However, that’s all set to change with the introduction of the next-gen model, based on the all-new 2012 Audi A6, as this one is thought to be set for a U.S. debut. The RS6 is often described as a wolf in sheep’s clothing or the car supercar-owners use as their daily drivers. That’s...