The Audi A6 C6 Facelift (2008-2011) is a premium midsize sedan and wagon with updated styling, improved technology, and more efficient engines. It features LED daytime running lights, upgraded infotainment, and enhanced safety systems. Notable engines include the 3.0 TFSI V6 (290 hp) and the high-performance RS6 with a 5.0L twin-turbo V10 (580 hp). It offers quattro AWD, a refined interior, and a balance of comfort and sportiness.