2004 Audi A6 Engine Problems
- Complaints
- 1about this part
- Share
- 3%of 35 total for the year
- Median mileage
- 103,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2004 Audi A6, 3% of the 35 complaints for this model year. Where a mileage was given, the median is 103,000 miles. 1 a fire, according to the filers.
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.
“The contact owned a 2004 Audi A6. While driving at 20 MPH, smoke appeared from the engine compartment and the vehicle caught fire. A police report was filed and there were no injuries reported. The vehicle was destroyed. The vehicle was not included in NHTSA campaign number: 06v198000 (electrical system). The manufacturer was not made aware of the failure. The failure mileage was 103,000.”
NHTSA complaint #10724137, filed 2015-06, 103,000 milesRelated service bulletins
- 10128350May 10, 2017This informational bulletin contains all the the Audi Oil Quality Standards that should be used when doing an oil change.
- 10058584Jul 1, 2015Audi: engine, on some vehicles, would run irregularly or have malfunction indicator lamp (mil) on or possible filter element for camshaft adjustment valve can loosen and in oil…
- 10122799Oct 12, 2012Supersedes Technical Service Bulletin Group 17 number 12 - 31 dated August 30, 2012. Oil consumption measurement - Repair Authorization (CA). In order to provide effective…
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2026 | 1 | 14% |
| 2021 | 3 | 17% |
| 2020 | 1 | 4% |
| 2019 | 32 | 28% |
| 2018 | 7 | 64% |
| 2017 | 4 | 20% |
| 2016 | 17 | 33% |
| 2015 | 6 | 27% |
| 2014 | 5 | 12% |
| 2013 | 15 | 29% |
| 2012 | 13 | 22% |
| 2011 | 2 | 10% |
| 2010 | 1 | 6% |
| 2008 | 2 | 3% |
| 2007 | 2 | 4% |
| 2006 | 4 | 6% |
| 2005 | 4 | 4% |
| 2004 | 1 | 3% |
| 2003 | 3 | 5% |
| 2002 | 5 | 6% |
| 2001 | 2 | 2% |
Other parts of the 2004 Audi A6
9 complaintsBrakes
4 complaintsAir bags
3 complaintsElectrical system
3 complaintsEngine cooling
3 complaintsSeats
3 complaintsTires
3 complaintsWheels
3 complaintsElectronic stability control
2 complaintsExterior lighting
2 complaintsVehicle speed control
2 complaintsForward collision avoidance
1 complaints
← All problems reported for the 2004 Audi A6
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 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