Audi S6 problems
Light NHTSA footprint — 42 owner complaints. Either a clean record or thin data; we'll show what's there.
Solid reliability overall. Common issues are concentrated in a few systems.
Buyable on the data — keep up the usual maintenance and inspect normally.
- No systemic severe-failure pattern in the complaint record
- Reliability score 8.2/10 — above the segment average
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 2013 Audi S6? 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
- engine — 28 owner reports · tends to show around 66,228 mi · ~$3,100 to fix
- powertrain — 7 owner reports · tends to show around 43,000 mi · ~$2,500 to fix
⚠ The one to take seriously: powertrain is flagged severe on this model , showing up around 43,000 mi. Inspect it closely on a test drive.
Recalls to confirm are done
Run the VIN from the listing — no active recalls on this model right now, but confirm none were opened after this car was built.
Verdict for buyers: 8.2/10 model. The priciest documented failure is engine (~$3,100) — 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.
See the full pre-purchase inspection checklist →Ask anything about your 2013 Audi S6
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.
Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.
Top trouble spots 2 categories with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
I noticed my car wouldn’t engage in reverse when shifted so I took it in for a transmission flush and it was performed and 2 days later I got a light on dash saying transmission overheating . And the car completely lost power while on freeway and went from 60 to 20 miles per…
Transmission coolant valve failure. Audi has issued tsb for several models related to same failure mode. Coolant sprays from coolant valve onto electrical connectors internal to transmission causing corrosion within the connectors. Two fault modes. 1. Vehicle fails to…
There have been numerous recalls for my 2013 Audi s6 pertaining to the turbocharged engine. Most recently, over the last 2 weeks I noticed decreasing gas mileage and increasing turbo lag but the car still ran "normally" overall. Then, 1 day ago it made intermittent metallic…
Vehicle has had all recommended maintenance performed on schedule at the Audi dealer. Driving down a highway at about 73k miles, engine stopped running with no warning. Electronic systems appeared as though engine was running, but it was dead. We were extremely fortunate that…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2013 Audi S6 reliable?
Mostly yes. With a reliability score of 8.2 out of 10 based on 42 owner complaints filed with NHTSA, the 2013 Audi S6 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 2013 Audi S6?
On the NHTSA data, the 2013 Audi S6 does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average. 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 2013 Audi S6?
Inspect the engine first — it's the most-reported issue on this model, with 28 owner complaints filed. Typical failure occurs around 66,228 miles. Average repair cost runs about $3,100 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 2013 Audi S6 a good used car to buy?
It scores 8.2 out of 10 on our NHTSA-based read of 42 owner complaints. The main thing to watch is engine. Typical failure occurs around 66,228 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 2013 Audi S6?
Based on NHTSA records, the most-reported issue is engine, with 28 complaints filed. Typical failure occurs around 66,228 miles. Average repair cost runs about $3,100 at an independent shop.
What's the most expensive thing that goes wrong?
The engine is one of the costlier repair items. Average repair cost runs about $3,100 at an independent shop. Typical failure occurs around 66,228 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Audi S6 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 2013 Audi S6?
Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 42 complaints on file and the costliest repair averaging $3,100, 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.