2021 Audi A8 Transmission and drivetrain Problems
- Complaints
- 2about this part
- Share
- 40%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 2 complaints about the transmission and drivetrain of the 2021 Audi A8, 40% of the 5 complaints for this model year.
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 service bulletins
- 11033475May 6, 2026The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the…
- 11030999Mar 24, 2026This bulleitn provides informiaotn when there is a loss of coolant; mechanical coolant pump 2.9L, 3.0L V6 TFSI.
- 11027358Dec 11, 2025This bulletin provides additoinal information to assist in determining the energy content of lithium-ion high-voltage batteries.
Transmission and drivetrain: other model years
| Year | Complaints | Share of year |
|---|---|---|
| 2021 | 2 | 40% |
| 2019 | 1 | 7% |
| 2017 | 1 | 13% |
| 2016 | 1 | 9% |
| 2015 | 2 | 6% |
| 2014 | 1 | 6% |
| 2013 | 3 | 6% |
| 2011 | 1 | 7% |
| 2008 | 2 | 25% |
| 2001 | 2 | 33% |
| 1999 | 2 | 22% |
| 1997 | 4 | 40% |
Other parts of the 2021 Audi A8
2 complaintsEngine
1 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 28, 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