2015 Audi S8
Only 6 complaints on file — too few for a fair verdict.
This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.
Only 6 complaints on file — too few for a fair verdict. The data below is complete but unranked.
COMPLAINTS PER YEAR
View as data table
| Year | Complaints |
|---|---|
| 2007 | 3 |
| 2008 | 5 |
| 2009 | 2 |
| 2013 | 13 |
| 2014 | 6 |
| 2015 | 6 |
| 2016 | 6 |
| 2017 | 0 |
| 2018 | 0 |
| 2020 | 0 |
| 2021 | 1 |
| 2022 | 0 |
| 2023 | 0 |
| 2024 | 0 |
| 2025 | 0 |
| 2026 | 0 |
KNOWN PROBLEM AREAS
Only 6 complaints on file for this model year -- too few to rank by share. Raw counts only, below.
5 of 6 total reports mention: engine.
Show complaint excerpts
WAS DRIVING ON A SATURDAY AFTERNOON DOWN A BUSY STREET WHEN MY CAR STARTED SPUTTERING AND HAD VERY REDUCED POWER. I WAS ABLE TO EVENTUALLY GET TO THE SIDE OF THE ROAD AND SHUT THE CAR OFF.
NHTSA ODI report, 20210305
ONLY 43,750 MILES AND THE ENGINE IS BEING COMPLETELY REBUILT. NEW CAM ADJUSTERS, NEW TIMING CHAIN TENSIONERS, NEW TIMING CHAIN GUIDES... THIS SHOULDN'T HAPPEN ON A CAR WITH SUCH FEW MILES.
NHTSA ODI report, 20190602
I WAS DRIVING AT HIGHWAY SPEED WHEN THE ENGINE SUDDENLY STARTED TO SHUDDER AND LOSE POWER. THE CHECK ENGINE LIGHT IMMEDIATELY STARTED TO FLASH AND THE ENGINE STALLED. I WAS STOPPED IN A BUSY HIGHWAY DURING RUSH HOUR.
NHTSA ODI report, 20180504
1 of 6 total reports mentions: power train.
Show complaint excerpts
Water Pump and thermostat has a faulty design that causes coolant to leak either around the O Ring and/or the elbow. I am in my third water pump and thermostat with only 69,000 miles on the vehicle.
NHTSA ODI report, 20240320
SAFETY TIMELINE
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2015 Audi S8 and A8 vehicles. The fuel supply line for the high pressure fuel pump may become porous over time, resulting in a fuel leak.
Remedy: Audi will notify owners, and dealers will replace the fuel line, free of charge. The recall began July 20, 2018. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20AV.
Campaign 18V430000 — check if this car was fixed
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2016 Audi A8 and S8 vehicles. The fuel supply line for the high pressure fuel pump may become porous and leak fuel.
Remedy: Audi has notified owners, and dealers will install a fuel pressure damper, free of charge. The recall began February 21, 2019. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 20BM.
Campaign 19V057000 — check if this car was fixed
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S8 and A8 vehicles. The seal around the engine compartment may come loose and contact hot engine components.
Remedy: Audi will notify owners, and dealers will install a retaining plate to prevent the engine compartment seal from loosening. The recall began September 4, 2020. Owners may contact Audi customer service at 1-800-253-2834.
Campaign 20V397000 — check if this car was fixed
Engine Stall - Turbo Failure
Engine Stall - Turbo Failure
Volkswagen Group of America, Inc. (Audi) is recalling certain 2013-2017 A8, S6 Sedan, S7, S8, and 2014-2017 RS7 vehicles. The turbocharger oil supply strainer can become blocked, causing wear to the bearings due to lack of lubrication.
Remedy: Dealers will replace the oil strainer and perform an oil change, free of charge. Owner notification letters were mailed August 4, 2022. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 21H7.
Campaign 22V178000 — check if this car was fixed
BUY-SMART CHECKLIST
2015 Audi S8 — pre-purchase inspection
- Test/inspect for engine issues (5 reports on file for this year).
- Test/inspect for power train issues (1 reports on file for this year).
- Verify recall 18V430000 (fuel system, gasoline) has been completed.
- Verify recall 19V057000 (fuel system, gasoline) has been completed.
- Verify recall 20V397000 (structure) has been completed.
- Verify recall 22V178000 (engine and engine cooling) has been completed.
FAQ
Is the 2015 Audi S8 reliable?
There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2015 Audi S8?
The most-reported component is engine, accounting for 83% of complaints on file.
How many recalls does the 2015 Audi S8 have?
4 recalls on file for this model year.
Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.