audi S4 problems
0 safety recalls. 30 owner complaints. We mapped every trouble spot before you sign the papers.
Solid reliability overall. Common issues are concentrated in a few systems.
Top trouble spots 3 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
WHILE DRIVING, THE RIGHT HEADLIGHT FLICKERED AND WENT OFF (HID LIGHTS). THE INFORMATION SYSTEM REGISTERED AN ERROR "DIPPED RIGHT HEADLIGHT" HEAD LIGHT COMES ON WHEN EVER THE CAR IS STARTED, AND GOES OUT WITH THE SAME ERROR AGAIN AT A LATER TIME. SO FAR THIS ERROR HAS OCCURRED…
INTERMITTENT HEADLIGHT MALFUNCTION. OVER THE COURSE OF A YEAR AND A HALF OF OWNERSHIP, THE RIGHT HEADLIGHT HAS MALFUNCTIONED (TURNED OFF), WITH NO CONSISTENT CAUSE APPARENT. THE SPECIFIC ERROR MESSAGE THAT APPEARS IN THE DRIVER INFORMATION SCREEN IS "RIGHT HEADLIGHT DIPPED".…
THE HEADLIGHTS FLICKER, THEN THE DASH SAYS THEY ARE DIPPING, THEN THEY GO OUT. IF YOU STOP THE CAR TURN IT OFF THEN BACK ON THE LIGHTS COME BACK ON, ONLY TO DO IT AGAIN. THERE SEEMS TO BE WIDE SPREAD REPORTS OF THIS HAPPENING WITH THESE AUDI'S AND THE HID LIGHTS. *TR
TL* TAKATA RECALL. THE CONTACT OWNS A 2006 AUDI S4. THE CONTACT RECEIVED NOTIFICATION OF NHTSA CAMPAIGN NUMBER: 16V382000 (AIR BAGS); HOWEVER, THE PART TO DO THE REPAIR WAS UNAVAILABLE. THE CONTACT STATED THAT THE MANUFACTURER EXCEEDED A REASONABLE AMOUNT OF TIME FOR THE RECALL…
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Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2006 Audi S4 reliable?
Mostly yes. With a reliability score of 8.4 out of 10 based on 30 owner complaints filed with NHTSA, the 2006 Audi S4 is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.
What's the most common problem on the 2006 Audi S4?
Based on NHTSA records, the most-reported issue is lighting, with 18 complaints filed. Average repair cost runs about $250 at an independent shop.
What's the most expensive thing that goes wrong?
The lighting is one of the costlier repair items. Average repair cost runs about $250 at an independent shop. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Audi S4 has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2006 Audi S4?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 30 complaints on file and the costliest repair averaging $250, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans aren't always better value.