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Audi S6 Problems

The Audi S6 is the high-performance variant of the A6, offering powerful engines and Quattro all-wheel drive in a luxury sedan package. With 366 complaints and zero deaths on record, the S6 delivers exhilarating performance but with the complexity and maintenance costs that come with advanced engineering. The twin-turbo V8 models are particularly capable but require attentive maintenance.

366
Total Complaints
49
Total Recalls
24
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

2016 2014 2013
✓

Best Years

These years have the fewest reported problems.

1996 1997 1998

Common Problem Categories

Engine 138
Fuel System, Gasoline 46
Power Train 30
Electrical System 30
Fuel/propulsion System 22

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2025 0 1 0 0 Good
2024 0 1 0 0 Good
2023 0 1 0 0 Good
2022 8 4 0 0 Average
2021 0 10 0 0 Good
2020 10 6 0 0 Average
2018 10 1 0 0 Average
2017 12 2 0 0 Average
2016 60 2 0 4 Avoid
2015 16 2 4 0 Average
2014 60 3 0 0 Avoid
2013 110 3 0 0 Avoid
2011 0 2 0 0 Good
2010 2 2 0 0 Good
2009 0 3 0 0 Good
2008 4 2 0 0 Good
2007 2 2 0 0 Good
2003 2 1 0 0 Good
2002 18 1 0 0 Average
2001 2 0 0 0 Good
1998 2 0 0 0 Good
1997 2 0 0 0 Good
1996 2 0 0 0 Good
1995 44 0 0 2 Avoid

Audi S6 Years to Avoid

The 2013 S6 had the most complaints, coinciding with the introduction of the 4.0T twin-turbo V8. Issues included turbocharger failures, coolant leaks, and transmission problems. The high-pressure fuel pumps also had failure rates. Carbon buildup on intake valves required expensive cleaning.

Best Audi S6 Years

The 1997 S6 with its 2.2L turbocharged inline-five was simpler and more robust. While lacking the power of modern S6 models, it has proven durable and is now appreciated as a future classic.

Frequently Asked Questions

Is the S6 expensive to maintain?

Yes. The S6 requires premium fuel, has expensive brake jobs with its larger rotors, and the twin-turbo V8 versions can have costly repairs. Budget ,000-4,000 annually for maintenance and repairs.

What is carbon buildup on the S6?

The direct-injected 4.0T engine accumulates carbon on intake valves since fuel does not wash over them. This causes rough running and power loss, requiring -1,500 walnut blasting service every 50,000 miles.

How reliable is the S6 4.0T engine?

The 4.0T is powerful but complex. Turbocharger failures, coolant leaks, and thermostat housing cracks are common. Well-maintained examples last, but neglect is expensive.

Is the S6 faster than the RS6?

No. The RS6 has significantly more power and is the flagship performance A6. The S6 is the middle ground between A6 and RS6.

Should I buy a used S6?

Only with complete service records and a pre-purchase inspection by an Audi specialist. Low purchase prices reflect high ownership costs. Budget for repairs.