YearToAvoid

2005 Audi A4 Engine Problems

NHTSA has 24 owner complaints about engine problems in the 2005 Audi A4, 11% of all 219 complaints for this model year. That is #6 highest engine complaint count among 20 A4 model years. These complaints report 2 crashes and 1 fire. Median mileage at failure: 80,334 miles.

Engine complaints
24
11% of 219
Crashes reported
2
Fires reported
1
Injuries reported
0
Median mileage
80,334 mi
Related recalls
0

When 2005 Audi A4 engine complaints were filed

First complaint Oct 6, 2005, latest Jan 6, 2025.

2005 Audi A4 engine complaints: complaints filed per month2Oct 2005Feb 2008Apr 2010Aug 2011Mar 2013Jun 2015Jun 2017Jul 2023
24 complaints filed with NHTSA from Oct 2005 to Jan 2025; peak Oct 2010 (2).

Engine recalls for the 2005 Audi A4

No safety recalls on record for this model year.

Engine complaints by A4 model year

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

  1. 200524 (11%)
  2. 200627 (9%)
  3. 200737 (19%)
  4. 200822 (13%)
  5. 200951 (43%)
  6. 201048 (75%)
  7. 20117 (64%)
  8. 201213 (68%)
  9. 20137 (29%)
  10. 201414 (44%)
  11. 201511 (58%)
  12. 20167 (64%)
  13. 201725 (45%)
  14. 20186 (14%)
  15. 20193 (30%)
  16. 20200 (0%)
  17. 20213 (27%)
  18. 20223 (50%)
  19. 20234 (40%)
  20. 20241 (50%)

Frequently asked questions

Does the 2005 Audi A4 have engine problems?
NHTSA has 24 owner complaints about the engine in the 2005 Audi A4, 11% of all complaints for this model year, including 2 that report a crash. Median mileage at failure is 80,334 miles.
Which Audi A4 year has the most engine complaints?
The 2009 Audi A4 has the most engine complaints (51), compared with 24 for the 2005.
Is there a engine recall for the 2005 Audi A4?
No NHTSA recall campaign for the 2005 Audi A4 is classified under engine. 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.