C6
Audi A6 (2005–2011)
Maintenance Schedule
10 recurring services keep the 2005–2011 Audi A6 healthy — starting with oil changes every 10,000 miles. Budget roughly $4,200–6,400 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 2005, 2006, 2007, 2008, 2009, 2010, 2011
Full schedule
Intervals follow the factory maintenance schedule for the 2005-2011 Audi A6. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 10,000 mi or 12 mo | $50–80 | Engine oil and filter replacement |
| Cabin Air Filter | Every 15,000 mi or 12 mo | $35–50 | Cabin air filter replacement |
| Brake Fluid | Every 24,000 mi or 2 yr | $75–105 | Brake fluid replacement |
| Tune-up | Every 60,000 mi or 4 yr | $280–420 | Spark plugs, air filter, fuel filter |
| Transmission Service | Every 60,000 mi or 5 yr | $320–450 | Tiptronic or CVT transmission fluid |
| Carbon Cleaning | Every 60,000 mi or 5 yr | $500–800 | Direct injection carbon cleaning |
| Air Suspension | Every 60,000 mi or 6 yr | $500–800 | Air suspension system service |
| Torsen Differential | Every 60,000 mi or 6 yr | $240–330 | Quattro differential service |
| Coolant Flush | Every 100,000 mi or 10 yr | $160–230 | Engine coolant replacement |
| Timing Chain | Every 100,000 mi or 10 yr | $1,200–1,800 | Timing chain tensioner replacement |
Common questions
How often should I change the oil on a 2005–2011 Audi A6?
Every 10,000 miles or 12 months, whichever comes first. A typical U.S. shop charges $50–80. Engine oil and filter replacement.
How much does it cost to maintain a Audi A6 (2005–2011)?
Routine maintenance on the 2005–2011 Audi A6 runs roughly $4,200–6,400 over 100,000 miles at typical U.S. shop prices, spread across 10 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this A6?
Timing Chain at $1,200–1,800, due every 100,000 miles. Timing chain tensioner replacement.
Cost ranges are estimates for typical U.S. independent shops and dealers; your local prices will vary. Always confirm intervals against your owner's manual — severe driving conditions (towing, short trips, extreme heat or cold) shorten many of them.