This bulletin provides informaiton when the engine is not running smoothly, misfiring.
full bulletin at NHTSA ↗2014 Audi S7 engine problems
moderate 6 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
6
Recalls
0
Avg fix
$3,100
When does it fail?
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.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
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.
What stands out
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.
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 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.…
Had engine trouble with your 2014 Audi S7?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2014 Audi S7?
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 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.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2014/Audi/S7.
Severity ratings are derived from reported crashes, fires, injuries, and fatalities. Repair cost estimates are
independent-shop national averages and may differ in your area. Some links on this page are affiliate links.