YearToAvoid

2006 Audi S4 Electrical System Problems

NHTSA has 22 owner complaints about electrical problems in the 2006 Audi S4, 73% of all 30 complaints for this model year. That is #2 highest electrical complaint count among 16 S4 model years. Median mileage at failure: 49,650 miles.

Electrical System complaints
22
73% of 30
Crashes reported
0
Fires reported
0
Injuries reported
0
Median mileage
49,650 mi
Related recalls
0

When 2006 Audi S4 electrical complaints were filed

First complaint Dec 21, 2009, latest May 16, 2019.

2006 Audi S4 electrical system complaints: complaints filed per month3Dec 2009Aug 2010Feb 2011Dec 2011Aug 2012Nov 2013Aug 2014Jan 2019
22 complaints filed with NHTSA from Dec 2009 to May 2019; peak Feb 2010 (3).

Electrical System recalls for the 2006 Audi S4

No safety recalls on record for this model year.

Electrical System complaints by S4 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 200537 (86%)
  2. 200622 (73%)
  3. 20072 (15%)
  4. 20080 (0%)
  5. 20090 (0%)
  6. 20107 (12%)
  7. 20112 (8%)
  8. 20123 (14%)
  9. 20132 (6%)
  10. 20141 (6%)
  11. 20150 (0%)
  12. 20180 (0%)
  13. 20190 (0%)
  14. 202014 (88%)
  15. 20211 (50%)
  16. 20221 (100%)

Frequently asked questions

Does the 2006 Audi S4 have electrical problems?
NHTSA has 22 owner complaints about the electrical in the 2006 Audi S4, 73% of all complaints for this model year. Median mileage at failure is 49,650 miles.
Which Audi S4 year has the most electrical complaints?
The 2005 Audi S4 has the most electrical complaints (37), compared with 22 for the 2006.
Is there a electrical recall for the 2006 Audi S4?
No NHTSA recall campaign for the 2006 Audi S4 is classified under electrical system. Complaints alone do not trigger a recall; check the full recall list and your VIN.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.