YearToAvoid

2009 Audi A4 Engine Problems

NHTSA has 51 owner complaints about engine problems in the 2009 Audi A4, 43% of all 120 complaints for this model year. That is the highest engine complaint count among 20 A4 model years. These complaints report 2 crashes and 1 fire. Median mileage at failure: 77,800 miles.

Engine complaints
51
43% of 120
Crashes reported
2
Fires reported
1
Injuries reported
0
Median mileage
77,800 mi
Related recalls
0

When 2009 Audi A4 engine complaints were filed

First complaint Feb 17, 2012, latest Mar 24, 2024.

2009 Audi A4 engine complaints: complaints filed per month4Feb 2012Jan 2014Dec 2014Nov 2015Dec 2016Feb 2018Jan 2019Jan 2020
51 complaints filed with NHTSA from Feb 2012 to Mar 2024; peak Apr 2012 (4).

Engine recalls for the 2009 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 2009 Audi A4 have engine problems?
NHTSA has 51 owner complaints about the engine in the 2009 Audi A4, 43% of all complaints for this model year, including 2 that report a crash. Median mileage at failure is 77,800 miles.
Which Audi A4 year has the most engine complaints?
The 2009 Audi A4 has the most engine complaints (51), compared with 51 for the 2009.
Is there a engine recall for the 2009 Audi A4?
No NHTSA recall campaign for the 2009 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.