2004 Audi S4 Problems

Typical for Model

Real NHTSA owner complaints for the 2004 Audi S4.

20032005
Complaints
37
Crashes
0
Fires
2
Injuries
0
Fatalities
Recalls
0

Worst 2004 Audi S4 Problems

Top 3 most-reported issues with average mileage at failure.

#18 complaints

Engine And Engine Cooling:Engine

Avg mileage:58,857 mi
#23 complaints

Engine Problems

#33 complaints

Engine & Cooling

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All Problems by Category

Every NHTSA complaint category for the 2004 Audi S4.

Engine And Engine Cooling:Engine
8
complaints
Crashes
Fires
Avg Miles
58,857
Engine Problems
3
complaints
Crashes
Fires
Avg Miles
Engine & Cooling
3
complaints
Crashes
Fires
Avg Miles
Headlight/Taillight Failures
3
complaints
Crashes
Fires
1
Avg Miles
Manual Transmission
3
complaints
Crashes
Fires
Avg Miles
Electrical Faults
2
complaints
Crashes
Fires
1
Avg Miles
Transmission / Drivetrain
2
complaints
Crashes
Fires
Avg Miles
Visibility
2
complaints
Crashes
Fires
Avg Miles
Airbags
1
complaints
Crashes
Fires
Avg Miles
Engine And Engine Cooling:Cooling System:Fan
1
complaints
Crashes
Fires
Avg Miles
Seat Belt Issues
1
complaints
Crashes
Fires
Avg Miles
Hydraulic Brakes
1
complaints
Crashes
Fires
Avg Miles
Steering Defects
1
complaints
Crashes
Fires
Avg Miles
Steering:Hydraulic Power Assist:Pump
1
complaints
Crashes
Fires
Avg Miles
Structural Problems
1
complaints
Crashes
Fires
Avg Miles
Tire Defects
1
complaints
Crashes
Fires
Avg Miles
Vehicle Speed Control:Accelerator Pedal
1
complaints
Crashes
Fires
Avg Miles
Visibility:Rearview Mirrors/Devices:Interior
1
complaints
Crashes
Fires
Avg Miles

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?
Verdict: Typical for Model. The 2004 Audi S4 has 37 NHTSA complaints, 0 crash-related, and 0 recall campaigns. The most common issue is Engine And Engine Cooling:Engine with 8 complaints. Source: NHTSA via VinItel.
What are common problems with the 2004 Audi S4?
Top reported problems: Engine And Engine Cooling:Engine (8 complaints, avg 58,857 mi); Engine Problems (3 complaints); Engine & Cooling (3 complaints). Every complaint is filed by an owner with NHTSA — this is raw reported data, not editorial opinion.
At what mileage do problems start on the 2004 Audi S4?
The weighted average mileage at time of complaint is about 58,857 miles. Some components fail earlier, some later — check the "All Problems by Category" table above for per-issue averages.
Does the 2004 Audi S4 have any recalls?
No NHTSA recall campaigns have been issued for the 2004 Audi S4 as of the latest data sync. Verify by VIN for the most current status — new recalls can be issued years after a model year ships.
Should I buy a 2004 Audi S4?
Complaint levels are in line with what's expected. Normal used-car due diligence applies — check the specific VIN for accident history, open recalls, and title brands.

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.

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