Your vehicle report
2004 Audi S4
The problems owners report. The recalls to check. The evidence behind each.
Your vehicle at a glance
Complaint patterns and official recall records, kept distinct.
- Owner complaints
- 29
- Received Jan 2007 to Jul 2018
Owner reports
Most reported problems
- 1Timing chain fails and destroys engine7 complaints · 24% of this vehicle’s complaints
Official NHTSA records
Recalls to check
- Recall #05V096000On certain passenger vehicles, there is a possibility of xenon headlamp coating degradation over time. The luminous transmittance of the headlamp may decrease over a period of time.
BrakeNews signals
Flagged complaint patterns
Unusual complaint patterns with no matched recall yet. A flag does not mean a recall will happen.
No problems currently meet BrakeNews’s flagging criteria. This is not a safety rating.
How flags are identifiedComplaint counts reflect reports submitted to NHTSA, not failure rates or a reliability ranking. Reported in these complaints: 0 crashes, 1 fire, 0 people injured, 0 deaths.
Explore by system
Where do owners report problems?
Choose an area on the car or a system below to explore the reported problems.
Illustrative only; not this vehicle’s exact design. Areas represent complaint categories, not confirmed defective parts.
Showing all 1 listed problem by system.
Engine & powertrain
Brakes
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Electrical & lights
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Airbags, belts & seats
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Steering, suspension & tires
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Body, doors & glass
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Driver assistance
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Other
No problems in this category meet this page’s listing criteria. This does not establish that the system is free of problems.
Complaint history
When NHTSA received these reports. Changes in reporting alone do not establish a change in failure rates.
Show as a table
| Year | Complaints |
|---|---|
| 2007 | 3 |
| 2008 | 0 |
| 2009 | 14 |
| 2010 | 3 |
| 2011 | 0 |
| 2012 | 3 |
| 2013 | 0 |
| 2014 | 2 |
| 2015 | 1 |
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2019 | 0 |
| 2020 | 0 |
| 2021 | 0 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 (to Oct 2026) | 0 |
| Total | 29 |
Problems owners report
Listed groups have at least 3 complaints. The page includes the 20 largest groups plus any additional flagged groups; some complaints are not assigned to a group.
| Problem | Complaints | Share | Share ratio | Status |
|---|---|---|---|---|
| Timing chain fails and destroys engine | 7 | 24% | – |
AI groups complaints by meaning; the groups are approximate. Share ratio compares the problem’s share of this vehicle’s complaints with its share on other vehicles over the last 24 months (shown from 3 recent complaints). A 2× ratio means twice the complaint share, not twice the failure risk. Flags mark unusual shares or recent surges after an AI review of the complaint content. “First signal” does not mean the pattern has persisted continuously.How recall estimates are calculated.
Recalls
NHTSA recall #05V096000March 15, 20059,965 vehicles affected
exterior lighting: headlights
On certain passenger vehicles, there is a possibility of xenon headlamp coating degradation over time. The luminous transmittance of the headlamp may decrease over a period of time.
This condition could affect a driver's field of view, increasing the risk of a crash.
Remedy
Dealers will replace the left and right xenon headlamp reflectors free of charge. The recall began on april 11, 2005. Owners may contact Audi at 1-800-822-2834.
Other model years
About this data
NHTSA complaints and recalls through October 2026. Complaints are counted once each, however many components they name. Original complaints are on NHTSA's page for the 2004 Audi S4.
Problem groups are formed by AI and may be approximate. BrakeNews flags unusual complaint patterns; they are not official defect findings. Investigation reports are written and checked by AI, with no human review. Owner reports do not establish that a defect exists.
Read the methodology and track record · Check current recalls by VIN