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ProblemsByVinFile / 2006-AUDI-S4NHTSA data synced 1 day ago
Audi
2006 Audi S4 problems
The 2006 Audi S4 has 2 critical safety recalls on file — the kind NHTSA opens when crashes, fires, or injuries are documented. 30 owner complaints alongside. Read those first.
The 2006 Audi S4 has 30 NHTSA owner complaints and 2 recalls on file (U.S. federal records, as of August 2026). The most-reported system is lighting at 18 complaints, typically surfacing around 58,382 miles (~$250 to repair). Source: NHTSA Office of Defects Investigation.
Solid reliability overall. Common issues are concentrated in a few systems.
2
Critical
0
Severe
0
Moderate
Should you avoid this 2006 S4?
Acceptable — with caveats
Worth owning if you verify the specific issues below before you buy.
Reliability score 7.2/10 — around the segment average
2 recall campaigns on file
Our read of the federal NHTSA complaint and recall record for this exact year and model —
not a substitute for a pre-purchase inspection. How we score.
Buying a used 2006 Audi S4? Check these first
Here's what this model is known to do — so you can inspect for it, price it in, or
make the seller fix it before you sign.
What to inspect on this specific car
lighting — 18 owner reports
· tends to show around 58,382 mi · ~$250 to fix
airbags — 7 owner reports
· ~$1,100 to fix
electrical — 4 owner reports
· tends to show around 52,000 mi · ~$850 to fix
Recalls to confirm are done
Run the VIN from the listing — 2 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.2/10 model. The priciest documented failure is
airbags (~$1,100) — get the
seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.
We tell you what this model is known for and what to inspect — a vehicle-history report
tells you what this exact car has been through. Smart buyers get both.
A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in
this vehicle's actual NHTSA record, not generic advice.
Dash light, leak, worn part — snap it and we'll read it against this car's record.
Photo attached — type a question or just hit Ask.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
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What owners are saying
recent NHTSA-filed complaints · verbatim
2006 S4· electrical
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…
Had a problem with your 2006 Audi S4?
File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
An inflator explosion may result in sharp metal fragments striking the driver or other occupants resulting in serious injury or death.
Fix: Audi has notified owners, and dealers will replace the passenger frontal air bag with an alternate remedy part, free of charge. The recall began June 29, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 69R7. Note: This recall supersedes recalls 16V382, 17V032 and 18V004 and includes vehicles that may have had their air bag previously replaced under one of those campaigns.
An inflator rupture may result in metal fragments striking the vehicle occupants resulting in serious injury or death.
Fix: Audi will notify owners, and dealers will replace the passenger frontal air bag inflator, free of charge. The recall began March 30, 2018. Owners may contact Audi customer service at 1-800-253-2834. Note: This recall has been superseded by recall number 18V427.
Common questions
Is the 2006 Audi S4 reliable?
Mostly yes. With a reliability score of 7.2 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.
Should you avoid the 2006 Audi S4?
The 2006 Audi S4 is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.2/10 — around the segment average; 2 recall campaigns on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.
What should I check before buying a used 2006 Audi S4?
Inspect the lighting first — it's the most-reported issue on this model, with 18 owner complaints filed. Typical failure occurs around 58,382 miles. Average repair cost runs about $250 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.
Is the 2006 Audi S4 a good used car to buy?
It scores 7.2 out of 10 on our NHTSA-based read of 30 owner complaints. The main thing to watch is lighting. Typical failure occurs around 58,382 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.
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. Typical failure occurs around 58,382 miles. 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. Typical failure occurs around 58,382 miles. 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 are not always better value.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 1 day ago. Verify the raw federal record at
nhtsa.gov/vehicle/2006/Audi/S4.
Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics.
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