2015 Audi A8 problems and recalls

55% of owner complaints on the 2015 Audi A8 related to the Engine (17 of 31).

31
Complaints
5
Recalls
1
Crash reports
0
Fire reports
1
Injuries
55.7
Severity index

Severity index 55.7 Medium. The index weights crashes, fires, injuries and fatalities per 100 complaints. How it is calculated.

Middle half of all tracked vehiclesThis vehicle: 55.7p25 46p75 80cleanestworst
Severity index against the quartile range for all tracked vehicles.

Components cited in complaints

EngineEngine: 17 complaints (54.8%)17 55%Service BrakesService Brakes: 4 complaints (12.9%)4 13%Electrical SystemElectrical System: 3 complaints (9.7%)3 10%WheelsWheels: 3 complaints (9.7%)3 10%Forward Collision Avoid…Forward Collision Avoidance: 2 complaints (6.5%)2 6%Visibility/WiperVisibility/Wiper: 2 complaints (6.5%)2 6%Unknown Or OtherUnknown Or Other: 2 complaints (6.5%)2 6%Power TrainPower Train: 2 complaints (6.5%)2 6%
A single complaint can cite more than one component, so shares total over 100%.
ComponentComplaintsShare of complaints citing it
ENGINE1754.8%
SERVICE BRAKES412.9%
ELECTRICAL SYSTEM39.7%
WHEELS39.7%
FORWARD COLLISION AVOIDANCE26.5%
VISIBILITY/WIPER26.5%
UNKNOWN OR OTHER26.5%
POWER TRAIN26.5%

Complaints filed per year

0492015: 32016: 22017: 22019: 32020: 52021: 92022: 32024: 22025: 21516171920219222425
Complaints by the calendar year they were filed. The hatched bar is the current year to date.
YearComplaints
20153
20162
20172
20193
20205
20219
20223
20242
20252
Filings in 2022 to 2025 ran 0.4x those in 2019 to 2021 (7 against 17).

Recall campaigns

CampaignReportedComponentSummary
18V43000025/06/2018FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSVolkswagen 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.
19V03500016/01/2019FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:FUEL RAILVolkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fuel.
19V05700028/01/2019FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGSVolkswagen 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.
20V39700007/07/2020STRUCTURE:BODY:HOODVolkswagen 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.
22V17800023/03/2022ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGERVolkswagen 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.

Other Audi A8 model years

Severity index for every other model year on file. Compare all 3 years side by side.

Source. NHTSA public complaint and recall APIs (api.nhtsa.gov), retrieved 2026-07-25. Complaints are unverified consumer reports. Totals vary with units sold and years on the road. Not affiliated with NHTSA or any manufacturer.