Audi A4 2004 reliability and quality

Production year from 2004 to 2007

According to yearly reports of vehicle inspection service Audi A4 reliability is good.

During regular inspections from 2006 to 2019 in average failures were found for approximately only 12.5 percents of Audi A4.
The most recent data available is for 2019, when the average defect rate for a 15-year-old Audi A4 was 26.4 percent, the average for a car that age was 28.4 percent. Thus, in terms of reliability, Audi A4 proved to be more reliable than 65% of the other cars tested.

The quality comes at a price - used Audi A4 is around 30 percent more expensive than the average sedans of its age.

Audi A4 price and technical data
Audi A4 2004 owner reviews
Sedans 2004 - 2007 prices

Year of inspection Age of car Failures found %
/ average for same age cars
Place in rating
Audi A4 2007
2019 12 years 26.4% / 28.39% 34. from 96
2018 11 years 24.3% / 26.89% 30. from 93
2017 10 years 18.2% / 20.90% 36. from 106
2016 9 years 20.0% / 24.90% 22. from 102
2015 8 years 16.4% / 20.10% 30. from 111
2014 7 years 15.6% / 21.80% 17. from 113
2013 6 years 7.3% / 10.80% 22. from 121
2012 5 years 6.2% / 10.30% 15. from 122
2011 4 years 4.2% / 5.50% 31. from 132
2010 3 years 3.5% / 5.10% 23. from 131
2009 2 years 3.5% / 5.00% 22. from 117
Audi A4 2006
2018 12 years 24.3% / 26.89% 30. from 93
2017 11 years 23.8% / 27.10% 23. from 86
2016 10 years 20.0% / 24.90% 22. from 102
2015 9 years 21.8% / 26.80% 19. from 95
2014 8 years 15.6% / 21.80% 17. from 113
2013 7 years 11.2% / 17.20% 18. from 107
2012 6 years 6.2% / 10.30% 15. from 122
2011 5 years 6.5% / 10.40% 19. from 120
2010 4 years 3.5% / 5.10% 23. from 131
2009 3 years 3.5% / 5.00% 22. from 117
2008 2 years 2.9% / 4.80% 19. from 116
Audi A4 2005
2017 12 years 23.8% / 27.10% 23. from 86
2016 11 years 28.0% / 31.40% 26. from 89
2015 10 years 21.8% / 26.80% 19. from 95
2014 9 years 24.3% / 28.80% 25. from 95
2013 8 years 11.2% / 17.20% 18. from 107
2012 7 years 11.1% / 17.50% 15. from 107
2011 6 years 6.5% / 10.40% 19. from 120
2010 5 years 6.1% / 9.90% 23. from 123
2009 4 years 3.5% / 5.00% 22. from 117
2008 3 years 2.9% / 4.80% 19. from 116
2007 2 years 3.9% / 5.90% 18. from 113
Audi A4 2004
2016 12 years 28.0% / 31.40% 26. from 89
2015 11 years 29.5% / 32.10% 21. from 78
2014 10 years 24.3% / 28.80% 25. from 95
2013 9 years 16.8% / 23.00% 14. from 87
2012 8 years 11.1% / 17.50% 15. from 107
2011 7 years 10.4% / 16.70% 13. from 98
2010 6 years 6.1% / 9.90% 23. from 123
2009 5 years 5.0% / 9.30% 10. from 109
2008 4 years 2.9% / 4.80% 19. from 116
2007 3 years 3.9% / 5.90% 18. from 113
2006 2 years 4.5% / 6.60% 16. from 107