2001 Audi A4 Other or unknown Problems
- Complaints
- 4about this part
- Share
- 3%of 131 total for the year
- Median mileage
- 80,369miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the other or unknown of the 2001 Audi A4, 3% of the 131 complaints for this model year. Where a mileage was given, the median is 80,369 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“While driving the vehicle stalled. The consumer was able to restart the vehicle and pulled over at which time the vehicle stalled again. The consumer had the vehicle towed to the dealer for inspection. The mechanic informed the consumer that transmission fluid had been added to the brake fluid which caused the brake system to fail.”
NHTSA complaint #10074259, filed 2004-07, 36,000 miles“2001 Audi A4 1.8 turbo: the timing belt broke while the car was traveling in heavy, rush hour traffic causing the car to be immediately disabled and stopped with no opportunity to move the car off of the highway. The 3-lane highway was backed up for 6 miles while police and emergency workers worked to tow the car. The disabled car LED to a very dangerous situation with traffic backed up for over 1-hour on a 3-lane highway with a 55 MPH speed limit and could have easily caused additional accidents. …”
NHTSA complaint #10184423, filed 2007-03, 94,000 miles“Purchased an 2001 audio (used) at d & s auto and within a week there was screeching noise coming from the engine, engine light came on. Brought it back to d & s auto. D & s auto had it looked at and they said the list of problems were none found, only that they fixed the engine light. Couple days later the engine light came back on and also the rear back tire was making a strange noise. D & s auto made an appointment for the 2001 auto to go to another dealer to be looked at. Also, purchased the best full warranty on the vehicle. …”
NHTSA complaint #10223105, filed 2008-04, 80,369 miles“Consumer complaint regarding tire speed rating appropiate for 2001 Audi A4 avant. Audi of america refuses to provide the consumer with written confirmation of the tire speed rating appropriate for the consumer's vehicle.”
NHTSA complaint #10145378, filed 2005-12Related service bulletins
- 10249054Jul 10, 2014Due to new Minnesota state regulations regarding biofuels, biodiesel blends of B5 or less may not be available in the State of Minnesota.
- 10249085May 13, 2014Google Maps Street View (NVLW))
Other or unknown: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2023 | 1 | 10% |
| 2022 | 3 | 50% |
| 2021 | 3 | 27% |
| 2020 | 60 | 47% |
| 2019 | 3 | 30% |
| 2018 | 18 | 40% |
| 2017 | 10 | 18% |
| 2016 | 1 | 9% |
| 2015 | 2 | 11% |
| 2014 | 2 | 6% |
| 2013 | 3 | 13% |
| 2010 | 1 | 2% |
| 2009 | 7 | 6% |
| 2008 | 2 | 1% |
| 2007 | 8 | 4% |
| 2006 | 7 | 2% |
| 2005 | 3 | 1% |
| 2004 | 6 | 3% |
| 2003 | 2 | 1% |
| 2002 | 4 | 2% |
| 2001 | 4 | 3% |
| 2000 | 2 | 2% |
| 1999 | 2 | 1% |
| 1998 | 2 | 1% |
| 1997 | 2 | 2% |
| 1996 | 6 | 7% |
Other parts of the 2001 Audi A4
35 complaintsBrakes
33 complaintsEngine cooling
31 complaintsAir bags
11 complaintsTransmission and drivetrain
5 complaintsExterior lighting
3 complaintsFuel system
3 complaintsSteering
3 complaintsSuspension
3 complaintsVisibility (wipers, defrost, mirrors)
3 complaintsEngine
2 complaintsEquipment
2 complaints
← All problems reported for the 2001 Audi A4
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology