2004 Audi S4 problems, complaints & recalls
Most-reported problem areas: Engine And Engine Cooling:engine (7) · Power Train:manual Transmission (3) · Engine And Engine Cooling (3)
🧭 Reliability snapshot
Compared against other Audi S4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
🛣️ Complaints by mileage
27 NHTSA complaints that reported an odometer reading.
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (121)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Equipment:other:owners/Service/Other Manual 2023-10-04 · A0023742052680_4 · Service Bulletin/Repair Instructions
this bulletin provides information on the additional reporting requirements for safety related inquiries.
Structure 2021-06-25 · A0021482021205_6 · Service Bulletin/Repair Instructions
this informational bulletin explains how to order replacement vin plates, safety certification labels, etc.
Equipment:electrical 2020-04-16 · A0020362002047_1 · Service Bulletin/Repair Instructions
this information bulletin contains instructions for technicans on how to ensure their tac call goes smoothly.
Exterior Lighting 2019-12-06 · A9419182012749_1 · Service Bulletin/Repair Instructions
exterior lights, moisture accumulation 2013-2021 a3 cabriolet, 2016-2018 sportback, 2004-2005 a4 cabriolet, 2004-2008 s4 cabriolet, 2008 rs4 cabriolet, 2010-2021 a4 allroad, 2018-2021 a5 sportback, 2010-2012, 2018-2021 rs5 cabriolet, 2018-2021 s5 sportback, 2004-2006 a7, 2004-2011 s7, 2021 rs6 avan
Tires 2019-12-04 · 20AUTIRECHAINS · Service Bulletin/Repair Instructions
new document 2004-2020 a4 allroad, a6 allroad, a8l, r8 spyder
Equipment 2019-09-30 · A0019262052680_2 · Service Bulletin/Repair Instructions
this bulletin contains instructions for additional reporting requirements for safety related inquiries (airbag/seatbelts, accidents, fire and overheat damage.
Showing the 6 most recent of 121 bulletins. Search all of them free at nhtsa.gov.
What owners report
2018-07-30 · Tires · 105,000 mi“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. my vehicle's tire size 235/40/r18. recalled: ventus…”
2017-10-24 · Engine · 102,000 mi“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 didn't believe that something is "life time" and is not …”
2016-05-17 · Exterior Lighting“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 show any recall work done to our headlights. i h…”
2015-08-10 · Exterior Lighting · 79,000 mi · 🔥 fire“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 was not included in any recalls. the approximate fai…”
2014-12-17 · Engine · 111 mi“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 kept making the rattle noise on the engine. i just…”
2014-08-14 · Power Train · 80,000 mi“audi claims that the timing chain on those vehicles are lifetime and does not need to be service. unfortunate the timing change tensioners are made of plastic which the wear out at about 50k miles, causing a start up rattle and eventually engine explosion from the chain coming of the guides and destroying the entire engine and causing a massive ac…”
2012-03-16 · Steering · 112,000 mi“tl* the contact owns a 2004 audi s4. the contact was driving 25 mph when the steering wheel failed and became stiff and hard to turn. the vehicle was taken to the dealer for diagnostic testing who confirmed there was a punctured hose causing the steering to fail. the contact also mentioned on a separate occasion that he heard a squealing noise aft…”
2012-02-02 · Engine And Engine Cooling:engine“2004 audi s4. consumer states vehicle failed while driving, engine, power brakes and steering locked up *tgw the dealer informed the consumer, the vehicle had suffered catastrophic engine failure, which was most likely due to the failure of the timing chain or adjusters. the consumer was quoted a price of $24,000 for the repairs. the consumer ha…”
2012-01-13 · Power Train · 55,000 mi“i own a 2004, audi, s4 which i purchased used from my brother, who bought it new. i bought this car from him with 45,000 miles on it. at 55,000 miles the car had catastrophic engine failure. 5,000 miles over the warranty period! the mechanic that is repairing the damage said if one more component would have broke it could have caused me to lose con…”
2010-12-21 · Structure · 40,000 mi“2004 audi s4 convertible - 40k - rear window of convertible top has separated from top - appears to be glue, attachment method failure. called audi of america requesting assistance, v. nice - wanted to initiate conversation / inspection 'at dealer level'. local dealer looks at it and quote $4350 to replace entire roof. discussions between audi…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.