Independent · Not affiliated with NHTSA or any automaker MethodologyData sourcesData refreshed Oct 6, 2026

2004 Audi S4: Problems, Recalls and MPG

What this means

NHTSA lists 1 recall campaign for the 2004 Audi S4, most recently filed March 2005. Owners have filed 29 complaints with NHTSA, most often about the engine and engine cooling.

Data summary generated from official records. Methodology Data: NHTSA, DOT, EPA · Refreshed Oct 6, 2026
Caution Fewer than 50 complaints filed. With this few reports, patterns may not be meaningful.
Compare

Recalls (1)

NHTSA lists 1 recall campaign for the 2004 Audi S4. Check whether yours was repaired with NHTSA's free VIN lookup ↗

Only NHTSA and your automaker know whether your specific car was repaired. PlainVIN shows every recall campaign listed for a model year, with the official text and how many cars have been fixed so far.

Check on NHTSA ↗
Listed for 2004 Audi S4. Not checked against your VIN.
Recall 05V096000 Filed Mar 15, 2005

XENON HEADLAMPS

Exterior lighting · headlights
Official NHTSA text
Summary
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
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.
Repair progress not yet reported9,965 vehicles potentially affected
Manufacturer report to NHTSA · Source: US DOT recall completion data, retrieved Oct 6, 2026
Check your VIN on NHTSA or ask a dealer to check campaign 05V096000

PlainVIN shows public government records for education. It isn't a vehicle inspection or legal advice. Check your own VIN with NHTSA or your dealer.

Owner complaints (29)

29 complaints filed with NHTSA (owner reports, not verified findings). The engine and engine cooling is mentioned most often.

0involved a crash
1involved a fire
0injuries reported
0deaths reported

As reported by owners in their complaints. These are reports, not NHTSA findings.

Most-reported components

Complaints filed with NHTSA for the 2004 Audi S4, by component (top 10). One complaint can list several components, so these add up to more than 29.Source: NHTSA ODI owner complaints · Retrieved Oct 6, 2026 · Report a data error

How 2004 compares with other S4 years

Best and worst S4 years →
2000200120022003200420052006200720082010
This year (2004)Other yearsStill collecting reports

Counts are owner reports, not failure rates. Higher sales years tend to draw more reports. Owners are still filing reports for recent model years, so these counts will grow. Source: NHTSA ODI, retrieved Oct 6, 2026.

Fuel economy: up to 18 mpg combined

18
mpg combined
16
city
21
highway
EPA annual fuel cost
$4,550
CO₂ tailpipe
494 g/mi
EPA class
Subcompact Cars

What it costs you to run

$3,628per year
$302per month
833gallons a year

Miles ÷ 18 mpg × $4.354 (EIA US average regular, week of Oct 5, 2026, all taxes included). Source: EPA · EIA.

EPA label estimates from lab tests; your mileage will vary.

Specs by configuration

2004 Audi S4 configurations with EPA data
Engine · transmissionDriveCity / Hwy / CombEPA $/yrCO₂ g/mi
4.2 L 8-cyl · 6-speed automatic4-Wheel or All-Wheel Drive16 / 21 / 18$4,550494
4.2 L 8-cyl · 6-speed automatic4-Wheel or All-Wheel Drive16 / 22 / 18$4,550494
4.2 L 8-cyl · 6-speed automatic4-Wheel or All-Wheel Drive16 / 22 / 18$4,550494
4.2 L 8-cyl · 6-speed manual4-Wheel or All-Wheel Drive13 / 20 / 16$5,150555
4.2 L 8-cyl · 6-speed manual4-Wheel or All-Wheel Drive13 / 20 / 16$5,150555
4.2 L 8-cyl · 6-speed manual4-Wheel or All-Wheel Drive13 / 20 / 16$5,150555

Source: EPA fuel economy data, retrieved Oct 6, 2026. Configurations are listed when EPA and NHTSA records match.

Used blue SUV on a sunny dealer lot with its hood open and a clipboard on the fender

Looking at a 2004 S4 for sale?

Print a one-page buyer's checklist: each recall campaign with a box to tick when the seller shows proof of repair, the top complaint areas to inspect, crash stars, MPG, and a link back to this page.

All S4 years

Where to next

2004 Audi S4 FAQ

How many recalls does the 2004 Audi S4 have?

NHTSA lists 1 recall campaign: 05V096000 (lighting). Use NHTSA's VIN lookup to see whether a specific car was repaired.

What are the most common 2004 Audi S4 problems?

Owners filed 29 complaints with NHTSA. Engine and engine cooling (12), Power train (5), Engine (3) are mentioned most. These are owner reports, not verified findings.

What mpg does the 2004 Audi S4 get?

EPA rates the 4.2 L 8-cyl · 6-speed automatic version at 16 city, 21 highway and 18 combined mpg. Other configurations are listed in the fuel economy section.

How does the 2004 S4 compare with other years?

Among the 2000–2010 Audi S4 model years at least five years old, the 2003 drew the fewest complaints (1) and the 2000 the most (143). The 2004 drew 29. Counts are owner reports, not failure rates.

How this page was madeSources, processing, limits, review and changes

Processing

  • Complaints are counted per component. One complaint can list several, so component totals add up to more than the total.
  • Fuel cost = miles per year ÷ EPA combined mpg × EIA weekly price for your region.

Limitations

  • Complaint counts are owner reports, not verified findings or failure rates. There is no sales denominator.
  • Recall campaigns are listed for the model year. Only NHTSA and the automaker know whether a specific car was repaired.
  • Recent model years are still collecting reports.

Review

Data compiled automatically from the official files listed here.

Changelog

  • 2026-10-06 Data refreshed from the official files.
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