There are 2 owner-reported powertrain & transmission complaints for the 2021 Audi A8in NHTSA's database. These are unverified consumer reports and may not reflect confirmed defects.
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.
Delay in change gear especially from full stop, vehicle recoil, jump, jolt, sometimes with loud noise
Complaints are unverified consumer reports submitted to NHTSA. A high complaint count may reflect vehicle popularity, not defect severity. Data sourced from NHTSA public records.
Data synced from NHTSA on Apr 26, 2026