2021 Audi A8 Engine Problems
- Complaints
- 1about this part
- Share
- 20%of 5 total for the year
- Median mileage
- —not reported
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 1 complaints about the engine of the 2021 Audi A8, 20% of the 5 complaints for this model year. 1 recall campaign on record is filed under a similar system.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Total electrical shutdown over about 2 minutes. Stranded on road. All electrical systems failed rapidly. Strongly suspect this is part of known BSG/alternator issues with this model.”
NHTSA complaint #11581253, filed 2024-04Related recalls
- 21V111000Feb 24, 2021Volkswagen Group of America, Inc. (Audi) is recalling certain 2019-2021 Audi A8 and 2020-2021 Audi S8 vehicles. A missing sealing pin may allow moisture to…Covers: Audi A8 2019–2021, S8 2020–2021
Related service bulletins
- 11038090Sep 14, 2026This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
- 11036900Aug 21, 2026This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
- 11036938Aug 13, 2026This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
- 11036931Aug 7, 2026This bulletin provides information when the exhuast emissions warning lamp is on P0299.
- 11034657Jun 26, 2026This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
- 11034653Jun 11, 2026This bulletin provides informaiotn when the red coolant warning lamp comes on or coolang leak at turbocharger.
- 11034728Jun 10, 2026This bulletin provides informaiton when the engine is not running smoothly, misfiring.
- 11034656Jun 4, 2026This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
- 11032141Apr 30, 2026This bulletin provides informaiton when there is a red coolant temparature/coolant level warning lamp; 4.0 ltr. V8 TFSI.
- 11032174Apr 15, 2026This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
Engine: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 1 | 20% |
| 2019 | 4 | 29% |
| 2017 | 2 | 25% |
| 2016 | 5 | 45% |
| 2015 | 17 | 55% |
| 2014 | 12 | 67% |
| 2013 | 36 | 72% |
| 2012 | 4 | 36% |
| 2011 | 10 | 67% |
| 2008 | 1 | 13% |
Other parts of the 2021 Audi A8
2 complaintsTransmission and drivetrain
2 complaintsFuel system
1 complaintsBody and structure
1 complaints
← All problems reported for the 2021 Audi A8
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology