AutoUtility currently tracks 31 official NHTSA owner defect complaints for the 2015 Audi A8. Engine & Cooling issues are the most frequently reported category, appearing in 17 complaints (54.8% of submitted records). Among these NHTSA complaint records, 1 filing cites a crash, 1 reports one or more injuries. The 2015 Audi A8 belongs to the 3rd Generation (D4) platform.
- • Total NHTSA Complaints: 31 reports
- • #1 Reported Problem Area: Engine & Cooling (17 reports • 54.8% of submitted complaints)
- • Secondary Problem Areas: Driver Assistance & Safety Tech (4), Brakes & Traction Control (4)
- • Crash-Citing Complaints: 1 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 1 injury filings • 0 fatality filings
Most Reported Problems for 2015 Audi A8
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Engine & Cooling
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #22V178000 ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER
Driver Assistance & Safety Tech
Brakes & Traction Control
Electrical System
Wheels & Tires
Symptoms Mentioned in NHTSA Owner Reports for 2015 Audi A8
Specific mechanical, electrical, and driver-assist defect symptoms identified via deterministic narrative analysis
AutoUtility uses deterministic phrase matching to identify recurring symptom descriptions within consumer-submitted NHTSA complaint narratives.
Loss of Motive Power While Driving
Engine Stalling / Sudden Shutdown
Recent NHTSA Owner Reports for 2015 Audi A8
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"So I purchased a vehicle from wright drive in El Paso, Texas. I was driving home back to Alamogordo which is 90 miles away, maybe 80 I realized there was no adaptive cruise control. So I messaged dealership. They told me that there was nothing they could do. It's not a safety issue. I got the..."
"Yet another beautiful Audi 3.0tfsi with the rocker arm failure … how is there not a class action lawsuit already ? I have a knock in my valve train and I just bought this car two days ago …. Audi should be liable to fix this because I didn’t know nothing about this and with a quick search it’s..."
"Water leaking from passenger side top right corner from windshield. Glass isn’t damaged. Just started leaking for no reason"
"Leaking windshield on passenger side top left corner"
"The contact owns a 2015 Audi A8. The contact stated that while driving approximately 55 MPH, the check engine warning light illuminated and the vehicle that stalled. The vehicle was towed to the dealer. The dealer diagnosed the vehicle and stated that the engine failed and needed to be replaced...."
Complaint History for Audi A8
Reported defect complaint volume across sibling model years (2015–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Audi A8 Current Page | 31 | 1 | 5 | Current |
| 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 | 7 | 0 | 10 | View 2021 Problems → |
| 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 → |
Detailed NHTSA Component Breakdown for 2015 Audi A8
Complete distribution of consumer defect reports across all 16 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Engine NHTSA category: ENGINE | 15 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 2 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 1 | 1 | 0 | 1 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| LANE DEPARTURE,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,SEATS | 1 | 0 | 0 | 0 | 0 |
| STEERING,WHEELS,SEATS | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| TIRES,WHEELS,ENGINE | 1 | 0 | 0 | 0 | 0 |
| UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,SERVICE BRAKES,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 1 | 0 | 0 | 0 | 0 |
Official NHTSA Defect Investigations (2)
Formal safety defect inquiries and engineering analyses opened by the NHTSA Office of Defects Investigation (ODI)
Engine Stall - Turbo Failure
On March 29, 2021, the Office of Defects Investigation (ODI) opened a Preliminary Evaluation (PE 21-009) after the agency received 58 reports alleging engine stalling in 2013-2016MY Audi vehicle models A8, S6, S7, S8 & RS7 equipped with the 4.0L, twin-turbocharged engine. Complainants reported the vehicles would stall with no warning while driving at highway or city traffic speeds. Several of the complainants alleged an inability to restart. The...
Engine Stall - Turbo Failure
On March 29, 2021, the Office of Defects Investigation (ODI) opened Preliminary Evaluation (PE) 21-009 after the agency received 58 reports alleging engine stalling in 2013-2016MY Audi vehicle models A8, S6, S7, S8 & RS7. The subject vehicles are equipped with 4.0L, twin-turbocharged engine. Complainants reported that the vehicles stall suddenly with no warning while driving on the highway or in city traffic. Several of the complainants alleged a...
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.