The Audi A6 is a mid-size luxury sedan that competes with the BMW 5 Series and Mercedes E-Class. With 4,284 complaints and 6 reported deaths, the A6 has had reliability challenges typical of complex German luxury vehicles. The A6 offers excellent build quality and interior refinement, but certain model years have proven expensive to maintain.

4,284
Total Complaints
94
Total Recalls
32
Model Years
6
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

Best Years

These years have the fewest reported problems.

Common Problem Categories

Electrical System 766
Air Bags 638
Fuel System, Gasoline 262
Engine And Engine Cooling 236
Engine 236

Complaints by Model Year

All Model Years

Year Complaints Recalls Crashes Fires Rating
2025 6 2 0 0 Good
2024 0 1 0 0 Good
2023 2 1 0 0 Good
2022 4 5 0 0 Good
2021 30 11 0 0 Good
2020 70 9 0 0 Average
2019 364 6 10 4 Avoid
2018 24 2 0 0 Good
2017 46 3 0 0 Good
2016 150 3 0 8 Average
2015 54 4 2 0 Good
2014 94 4 2 0 Average
2013 158 6 10 6 Average
2012 172 8 0 0 Average
2011 40 3 2 0 Good
2010 48 3 10 2 Good
2009 44 4 0 0 Good
2008 156 3 2 2 Average
2007 126 3 10 0 Average
2006 166 3 6 2 Average
2005 238 3 2 6 Below Average
2004 88 1 6 4 Average
2003 170 1 2 14 Average
2002 226 1 20 10 Below Average
2001 296 1 34 22 Below Average
2000 402 1 10 16 Avoid
1999 552 1 28 46 Avoid
1998 316 1 24 14 Below Average
1997 52 0 0 10 Good
1996 142 0 2 2 Average
1995 44 0 2 0 Good
1994 4 0 0 0 Good

Audi A6 Years to Avoid

1999, 1998, 2000. The 1999 model year leads in complaints, with issues including timing belt failures, transmission problems, and electrical system faults. The 2.8L V6 of this era was less reliable than later engines. These C5 generation A6s can be money pits without careful maintenance.

Best Audi A6 Years

2023, 2022, 2012, 2013. Current model years represent the most refined A6 available. For used buyers, the 2012-2013 C7 generation offers a good balance of modern features and resolved early issues. The supercharged 3.0T engine is generally robust when maintained properly.

Frequently Asked Questions

Is the Audi A6 reliable?

Reliability varies by generation. The late 1990s C5 models are the least reliable. The C7 generation (2012-2018) improved significantly, and current C8 models continue that trend. All require religious maintenance and high-quality parts to remain reliable.

What are common Audi A6 problems?

Oil consumption on 2.0T engines, timing chain tensioner issues on some V6s, air suspension failures (if equipped), and MMI infotainment problems. CVT transmissions in older FWD models were problematic. Electrical gremlins affect older models.

How expensive is A6 maintenance?

Expensive. Budget $1,200-2,000 annually for maintenance. Major services like timing belt replacement (older models) or timing chain service can exceed $2,000-4,000. Using independent Audi specialists helps reduce costs by 30-40% versus dealers.