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Audi A6 - Wikipedia
Used Audi A6 for Sale Near Me - CARFAX
Specs for all Audi A6 (C6) versions - Ultimate Specs
Used Audi A6 for Sale - Autotrader
Audi A6 C6: Known Issues and Reliability - AudiWorld
Audi A6 C6 General Information and Recommended Maintenance …
Audi A6 Features and Specs - Car and Driver
The Audi A6: History, Generations, Specifications - MotorTrend
Audi A6 (C6/4F) 2004-2011 - Different Car Review
2011 Audi A6 3.0T - Editor's Notebook - Automobile Magazine