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moderate Owners of the 2014 Audi S7 have filed 6 NHTSA complaints about the engine at roughly $3,100 to repair (U.S. federal records, as of August 2026). Source: NHTSA Office of Defects Investigation. See engine across all vehicles →
| Model year | engine complaints |
|---|---|
| 2013 S7 | 14 |
| 2014 S7 (this page) | 6 |
| 2016 S7 | 7 |
Of the 6 engine complaints filed for the 2014 Audi S7, here's the actual mileage breakdown — failures cluster heaviest at 50,000-75,000 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.
No new NHTSA engine complaint has been filed on this vehicle in over 4 years — the issue may be aging out of the active population.
Worn bearings can cause the turbine wheel to contact the turbocharger housing or cause the shaft to break, causing an engine stall and increasing the risk of a crash.
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 informaiton when the engine is not running smoothly, misfiring.
full bulletin at NHTSA ↗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.
The contact owns a 2014 Audi S7. The contact stated while driving 40 MPH, the vehicle stalled without warning. The contact pulled over but was unable to restart the vehicle. The vehicle was towed to a local dealer to be diagnosed but was not repaired. The contact stated there was no warning light illuminated. The manufacturer was not informed of the failure. The failure mileage was approximately…
In motion normal driving 45-55 MPH under acceleration on long on ramp to interstate. Reached a ramp meter. Accelerating form ramp meter, I noticed increasing power loss and could not reach highway speeds. All warning lights appeared (TPMS, traction control, transmission issues, etc.) I instantly merged right with flashers having to avoid another on ramp of traffic. At very rough idle I could…
The contact owns a 2014 Audi S7. The contact stated while driving approximately 30 MPH, the vehicle inadvertently stopped. Additionally, the vehicle was leaking an excessive amount of oil. There was an EPC warning light illuminated. The vehicle was towed to the local dealer however, the mechanic was unable to determine the cause of the failure. The contact related the failure to NHTSA Campaign…
Vehicle stalled during highway driving. Failed to restart. Towed to a dealership. Diagnostic showed both turbochargers need replacement due to oil starvation caused by a design flaw.
My family and I were driving back home from a 5 hr trip when my car stalled completely on a 4 lane freeway. We stopped at-least 4 times during the trip and the car started with no warning/symptoms or check engine light at all. No hesitation on the power while driving. About 1 hour left until we get home, we hit traffic and luckily we decided to change 1 lane to the right from the farthest…
I have a problem with one of turbo, it was defect by factory, mostlikly it is quility control issue it happened on 62,000 miles on the car. This is very offten problem with this car which is confirm my statement about quility control. Now I have a problem with aoa, they dineid to cover this problem. So far I hed a6, a7, a8 , and a7s, I know quility of Audi before and now. This is not same car.…
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.
Based on the 6 complaints filed, engine issues most often appear around 85,000 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.
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.
Yes — 1 active recall(s) cover engine issues on this vehicle. Recall fixes are always free regardless of mileage or warranty status. Use the VIN decoder at the top of the page to check if your specific vehicle is affected.