You might be tempted to think that the mid-life facelift of the Audi A6 family only targets the headlights and a few small details. However, engineers changed about half of the engines and installed a twin-clutch auto instead of the CVT. As a result, German tuner ABT Sportsline decided to take a second look at the mid-size sedan and wagon. The results were presented today ahead of the upcoming Frankfurt Motor Show. [...]Source: autoevolution