Audi A4 2005 reliability and quality

Production year from 2005 to 2008

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

During regular inspections from 2007 to 2020 in average failures were found for approximately only 12.5 percents of Audi A4.
The most recent data available is for 2020, when the average defect rate for a 15-year-old Audi A4 was 23.2 percent, the average for a car that age was 29.5 percent. So in terms of reliability, Audi A4 has performed very well, or more reliable than 90% of the other cars tested.

A good used Audi A4 could be a bargain - despite its relatively high reliability, it is around 30% cheaper than the average cabrios of a similar age.

Audi A4 price and technical data
Audi A4 2005 owner reviews
Cabrios 2005 - 2008 prices

Year of inspection Age of car Failures found %
/ average for same age cars
Place in rating
Audi A4 2008
2020 12 years 23.2% / 29.51% 10. from 99
2019 11 years 26.4% / 28.39% 34. from 96
2018 10 years 16.7% / 21.77% 14. from 107
2017 9 years 18.2% / 20.90% 36. from 106
2016 8 years 13.8% / 19.10% 12. from 116
2015 7 years 16.4% / 20.10% 30. from 111
2014 6 years 8.7% / 14.80% 6. from 122
2013 5 years 7.3% / 10.80% 22. from 121
2012 4 years 4.4% / 5.90% 30. from 129
2011 3 years 4.2% / 5.50% 31. from 132
2010 2 years 3.5% / 5.10% 23. from 131
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