This bulletin provides informaiton when the engine is not running smoothly, misfiring.
full bulletin at NHTSA ↗2011 Audi A8 engine problems
moderate 6 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
When does it fail?
Of the 6 engine complaints filed for the 2011 Audi A8, here's the actual mileage breakdown — failures cluster heaviest at 75,000-100,000 mi.
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Engine accounts for 40% of every owner complaint on file for this vehicle — the dominant problem area across 3 categories tracked.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
full bulletin at NHTSA ↗This bulletin provides information regarding UV leak additive for finding oil leaks.
full bulletin at NHTSA ↗This bulletin provides informatin when the engine does not run smoothly at idling speeds.
full bulletin at NHTSA ↗This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 6 most recent
The coolant is leaking out and onto engine. My safety was at Risk due to the car overheating and smoking. This is a on going problem that many AUDI’s had a recall for except mines. Yes the vehicle was inspected and the warning that came up was “coolant level low turn off engine”
Tl* the contact owns a 2011 Audi a8. While driving the vehicle at various speeds, the engine warning indicator and the "do not exceed 4,000 rpms" warning indicator illuminated. The dealer diagnosed that the engine coolant was leaking through the coolant valve connection. The vehicle was not repaired. The failure mileage was 75,000.
Tl* the contact owns a 2011 Audi a8. While driving 65 MPH, the vehicle shut off. The contact was able to move the vehicle safely to the shoulder of the road. Several attempts were made to restart the engine, but the vehicle did not start. In addition, the check engine indicator illuminated. The vehicle was towed to Audi of fairfield (435 commerce dr, fairfield, ct 06825, (203) 951-6570) where it…
The contact owns a 2011 AUDI A8. The contact stated that the check engine warning light was illuminated. The contact took the vehicle to the dealer who diagnosed that the camshaft and timing chain failed and needed to be replaced. The vehicle had not been repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 67,000.
I was accelerating onto the freeway on ramp when the engine cut off. I managed to pull over to the shoulder but the check engine light and the epc light came on. I had to be towed into the dealer. There was a "coolant valve leak. The coolant migrated through a harness to the ECM and to multiple connectors thoughout the engine harness". The worst part of this situation is the extremely…
Takata recall coolant failer and motor
Common questions
How serious is the engine problem on the 2011 Audi A8?
It's a documented issue but not catastrophic. 6 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Based on the 6 complaints filed, engine issues most often appear around 76,600 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.