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2004 Audi S4

Owner reports · Recalls · Investigations

Limited comparison data

There is not enough comparable history to draw a useful model-year comparison.

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29Owner complaints

Model-year median: 7

1Recall campaigns

View recall details →

0Investigations

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How this year compares

Owner complaints by model year

Other model years Selected year
87
200122
20021
200329
200443
200530
200613
2007
Compare all S4 years →

Counts vary with age, sales and reporting. They are not failure rates.

What owners reported most

Engine And Engine Cooling
12Power Train
5Engine
3Exterior Lighting
3Visibility
3
All reported categories
Electrical System
2Steering
2Air Bags
1Seat Belts
1Service Brakes, Hydraulic
1Structure
1Tires
1Unknown Or Other
1Vehicle Speed Control
1

Tap a category to read its complaints. One report may name several components.

When problems were reported

Mileage at the reported incident

27 reports with mileage · 2 unknown

NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.

What to inspect

Issues worth paying extra attention to based on owner reports.

  • Engine And Engine Cooling. Review the 12 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Power Train. Review the 5 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
  • Engine. Review the 3 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →

NHTSA owner reports · September 18, 2026 snapshot.

0 crash reports1 fire reports0 injury reports

Air Bags complaints

1 reports
Clear category filter
15,000 miles · Aug 14, 2007
Air Bags

I HAVE AN AUDI S4 CONVERTIBLE THAT HAS BEEN TO THE DEALERSHIP MULTIPLE TIMES FOR THE SAME SAFETY ISSUE. THE AIRBAG SYSTEM HAS BEEN DEFECTIVE AND THE REPAIRS DO NOT SEEM TO BE TAKING HOLD WHEN THEY DO THEM. SO FAR THERE FORTUNATELY HAS NOT BEEN A NEED TO USE THE AIRBAG SYSTEM, HOWEVER ITS UNAVAILABILITY IS A MAJOR CAUSE FOR CON…

Read full complaint

I HAVE AN AUDI S4 CONVERTIBLE THAT HAS BEEN TO THE DEALERSHIP MULTIPLE TIMES FOR THE SAME SAFETY ISSUE. THE AIRBAG SYSTEM HAS BEEN DEFECTIVE AND THE REPAIRS DO NOT SEEM TO BE TAKING HOLD WHEN THEY DO THEM. SO FAR THERE FORTUNATELY HAS NOT BEEN A NEED TO USE THE AIRBAG SYSTEM, HOWEVER ITS UNAVAILABILITY IS A MAJOR CAUSE FOR CONCERN. *TR

NHTSA ODI #10199548

Official recalls

1

05V096000 · Exterior Lighting:headlights

Mar 15, 2005

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.

Consequence & remedy

Consequence: 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.

Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗

NHTSA investigations

0

No exact-year investigations in this snapshot.