Worst 2004 Audi S4 Problems
Top 3 most-reported issues with average mileage at failure.
Engine And Engine Cooling:Engine
Engine Problems
Engine & Cooling
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All Problems by Category
Every NHTSA complaint category for the 2004 Audi S4.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Engine And Engine Cooling:Engine | 8 | — | — | 58,857 mi | |
| Engine Problems | 3 | — | — | — | |
| Engine & Cooling | 3 | — | — | — | |
| Headlight/Taillight Failures | 3 | — | 1 | — | |
| Manual Transmission | 3 | — | — | — | |
| Electrical Faults | 2 | — | 1 | — | |
| Transmission / Drivetrain | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Airbags | 1 | — | — | — | |
| Engine And Engine Cooling:Cooling System:Fan | 1 | — | — | — | |
| Seat Belt Issues | 1 | — | — | — | |
| Hydraulic Brakes | 1 | — | — | — | |
| Steering Defects | 1 | — | — | — | |
| Steering:Hydraulic Power Assist:Pump | 1 | — | — | — | |
| Structural Problems | 1 | — | — | — | |
| Tire Defects | 1 | — | — | — | |
| Vehicle Speed Control:Accelerator Pedal | 1 | — | — | — | |
| Visibility:Rearview Mirrors/Devices:Interior | 1 | — | — | — |
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2004 Audi S4. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
Other Audi S4 Years
2004 Audi S4 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2004 Audi S4 reliable?
What are common problems with the 2004 Audi S4?
At what mileage do problems start on the 2004 Audi S4?
Does the 2004 Audi S4 have any recalls?
Should I buy a 2004 Audi S4?
Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinItel.
Wider context: See the full Audi S4 reliability report with year-by-year comparison and generation analysis.
Check Your Specific 2004 Audi S4
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud.
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