2004 Audi S4 Problems, Complaints & Recalls

Source: NHTSA · Updated Jul 30, 2018 · 29 owner complaints analyzed

Compared with other S4 years
More complaints than other years 7th of 23 for complaints
NHTSA crash rating
Not rated

Owners have filed 29 complaints with NHTSA about the 2004 Audi S4. That ranks 7th out of 23 S4 model years for complaints. The most reported problem area is engine and engine cooling (12 complaints, 41%), typically at around 54,000 miles. Complaints mention 1 fire. There is 1 safety recall covering this model year.

Audi S4
Audi_S4_(B9)_FL in Stuttgart-Vaihingen. Representative photo; appearance varies by model year. Photo: Alexander Migl, CC BY-SA 4.0, via Wikimedia Commons.

Complaints are unverified owner reports and are not adjusted for sales volume.

Compare with another car

Most common 2004 Audi S4 problems

Complaints grouped by the part of the car owners reported, with the median mileage when the problem happened.

Engine and Engine Cooling12 · ~54,000 mi
Power Train5 · ~55,000 mi
Engine3 · ~80,000 mi
Exterior Lighting3 · ~42,000 mi
Visibility3 · ~53,000 mi
Electrical System2 · ~79,000 mi
Steering2 · ~67,250 mi
Air Bags1 · ~15,000 mi
Seat Belts1 · ~32,145 mi
Service Brakes, Hydraulic1 · ~112,000 mi
Problem areaComplaintsShareMedian milesOwners mention mostTypical repair cost
Engine and Engine Cooling1241%54,000——
Power Train517%55,000——
Engine310%80,000——
Exterior Lighting310%42,000——
Visibility310%53,000——
Electrical System27%79,000——
Steering27%67,250——
Air Bags13%15,000——
Seat Belts13%32,145——
Service Brakes, Hydraulic13%112,000——
Structure13%40,000——
Tires13%105,000——
Unknown or Other13%53,000——
Vehicle Speed Control13%5,000——

One complaint can list several problem areas, so shares can add up to more than 100%.

Complaints by year received

Peak: 2009, with 14 complaints
2007: 3200732009: 142009142010: 3201032012: 3201232014: 2201422015: 1201512016: 1201612017: 1201712018: 120181

n = 29 complaints · Source: NHTSA

2004 Audi S4 recalls (1)

Tap a recall to see the problem, the risk and the fix.

Exterior lighting:headlightsMar 15, 2005 · NHTSA campaign 05V096000 · 9,965 vehicles

Problem: 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.

Risk: This condition could affect a driver's field of view, increasing the risk of a crash.

Fix: 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.

To see whether a specific car still has an open recall, enter its VIN on NHTSA's official recall lookup. You can also decode a VIN here.

Recent owner reports

Short excerpts of the latest complaints filed with NHTSA, with personal details removed. Full reports can be searched on NHTSA.gov.

Hankook tires, ventus s1 noble 2 splitting outside sidewall, caused to depressure tire, which caused to crack tire on the inner sidewall subsequently led to manufacturer claim blame on my vehicle. The tire model is under a recall, but in different size, but identical walls, manufacturing process…

Tires · received Jul 30, 2018 · NHTSA complaint 11114564

After engine cools down, timing chain rattle can be heard upon starting the car. Chain rattle means that plastic guides or adjusters are worn, and might go any second. Spoke with audi rep online, which advises me that this is normal, and expected. Knowing basics of engines and transmission, i…

Engine · received Oct 24, 2017 · NHTSA complaint 11036013

Xenon headlamps wiring all corroded and bare with no insulation left. Check with audi and they said our vehicle and vin is not part of any recall. Yet rcorrd-05v096-4498 in your database shows a mofification letter from vw to include our vin. There is no record according to audi service shops that…

Electrical System · received May 17, 2016 · NHTSA complaint 10865507

Tl* the contact owns a 2004 audi s4. While driving at night, the low beam head lamps failed to illuminate without warning. While attempting to the head lamp bulbs, the contact noticed that the wiring was burned and damaged. The dealer and the manufacturer were notified of the failure, but the vin…

Exterior Lighting · received Aug 10, 2015 · NHTSA complaint 10747523

On saturday morning 12/15/2014 start my card and heard a rattle noise on the engine, first time it make that noise since i bought it. On my way to work i started hearing the rattle noise again but this time it was louder i was driving around 40 mph when this happened. The car started vibrating and…

Engine · received Dec 17, 2014 · NHTSA complaint 10666999

Other Audi S4 years

← 2003 S4 · 2005 S4 →

See all Audi S4 problems by year, every Audi model, or the Audi VIN decoder.

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Frequently asked questions

What are the most common problems with the 2004 Audi S4?

Owners most often report engine and engine cooling, power train, engine problems. The top one, engine and engine cooling, accounts for 12 complaints.

Was there a recall on the 2004 Audi S4?

Yes, 1 safety recall. Enter your VIN at NHTSA.gov to check whether the repairs were done on your car.

Was the 2004 Audi S4 a good year?

Complaint data can't fully answer that, because counts aren't adjusted for sales. Compared with other S4 model years, the 2004 has more complaints than most years. Always get a pre-purchase inspection and check the VIN for open recalls.