AutoUtility currently tracks 7 official NHTSA owner defect complaints for the 2021 Audi A8. Electrical System issues are the most frequently reported category, appearing in 3 complaints (42.9% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records. The 2021 Audi A8 belongs to the 4th Generation (D5) platform.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
3 owner complaints submitted to NHTSA ODI for this subsystem.
3 owner complaints submitted to NHTSA ODI for this subsystem.
2 owner complaints submitted to NHTSA ODI for this subsystem.
1 owner complaint submitted to NHTSA ODI for this subsystem.
Formal engineering analyses and preliminary evaluations opened by the NHTSA Office of Defects Investigation
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"See attached document for complaint. I took my 2021 AUDI A8 to Audi Rockville located at 1125 Rockville Pike; Rockville, MD 20852 on July 18 to fix the recall. After waiting for 2 hours at the dealership, they told me they must go to BestBuy to buy a USB stick and asked if we could re-schedule..."
"My backup camera turns off when I am backing up. I can no longer see behind my vehicle and I do not get any warnings that a car is approaching from either side of my vehicle. On a more minor note the sun roof opened on its own while I was driving on a highway during a rain storm"
"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."
"When started up on 11/17/22, multiple warning lights came on in rapid sequence advising of an electrical system & battery malfunction. Warning was to not drive the vehicle and contact service. I shut off the vehicle and re-started it. The same warnings were displayed. I was about 0.8 mile from the..."
"Delay in change gear especially from full stop, vehicle recoil, jump, jolt, sometimes with loud noise"
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Audi A8 | 31 | 1 | 5 | View 2015 Problems → |
| 2016 Audi A8 | 0 | 0 | 4 | View 2016 Problems → |
| 2017 Audi A8 | 0 | 0 | 3 | View 2017 Problems → |
| 2018 Audi A8 | 0 | 0 | 2 | View 2018 Problems → |
| 2019 Audi A8 | 0 | 0 | 3 | View 2019 Problems → |
| 2020 Audi A8 | 3 | 0 | 5 | View 2020 Problems → |
| 2021 Audi A8 Current Page | 7 | 0 | 10 | Current |
| 2022 Audi A8 | 0 | 0 | 3 | View 2022 Problems → |
| 2023 Audi A8 | 0 | 0 | 2 | View 2023 Problems → |
| 2024 Audi A8 | 0 | 0 | 2 | View 2024 Problems → |
| 2025 Audi A8 | 0 | 0 | 1 | View 2025 Problems → |
| 2026 Audi A8 | 0 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 6 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| POWER TRAIN,ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2021 Audi A8
In official NHTSA consumer records, the most frequently cited issue area for the 2021 Audi A8 is Electrical System, appearing in 3 records (42.9% of submitted filings).
Secondary reported categories include Powertrain & Transmission (3) and Engine & Cooling (2).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 7 consumer defect complaints and 10 safety recall campaigns for the 2021 Audi A8.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Consumer complaint records on file with NHTSA for the 2021 Audi A8 cite zero crashes, zero fires, and zero injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
NHTSA ODI records list 1 formal defect investigation involving the 2021 Audi A8 (all closed).
Federal defect investigations are formal engineering evaluations opened when safety defect trends emerge, and do not by themselves establish a confirmed defect or mandatory recall.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.