AutoUtility currently tracks 45 official NHTSA owner defect complaints for the 2015 Audi A4. Engine & Cooling issues are the most frequently reported category, appearing in 19 complaints (42.2% of submitted records). Among these NHTSA complaint records, 4 filings cite a crash, 4 report one or more injuries. The 2015 Audi A4 belongs to the 4th Generation (B8) platform.
- • Total NHTSA Complaints: 45 reports
- • #1 Reported Problem Area: Engine & Cooling (19 reports • 42.2% of submitted complaints)
- • Secondary Problem Areas: Electrical System (7), Powertrain & Transmission (6)
- • Crash-Citing Complaints: 4 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 4 injury filings • 0 fatality filings
Most Reported Problems for 2015 Audi A4
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Engine & Cooling
Electrical System
Powertrain & Transmission
Air Bags & Restraints
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #14V667000 AIR BAGS
Fuel & Propulsion System
Symptoms Mentioned in NHTSA Owner Reports for 2015 Audi A4
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.
Engine Coolant Intrusion / Oil Leak
Recent NHTSA Owner Reports for 2015 Audi A4
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Oil consumption is extremely high this vehicle burns way to much oil in short amount of time. Oil has to be added every 300 to 400 miles and there are no leaks present"
"The contact owns a 2015 Audi A4. The contact stated that when the vehicle was started, the coolant warning light illuminated. The vehicle was turned off and restarted after 20 minutes, and the coolant warning light was no longer illuminated. The vehicle was not diagnosed or repaired. The..."
"Spark plug for damaged due to oil seeping into it. This could lead to overheating of engine or cylinders getting damaged potentially leading to vehicle malfunction when I drive. Audi inspected the part and recommended to reseal the top of the engine. There was a warning for check engine which led..."
"The vehicle has an oil consumption issue whereby I top off the oil in about every 400 miles. The dealership indicated that this is a known problem with Audi. The issue first started with warnings that engine is overheating and with further warnings that oil level is low"
"No 3 cylinder piston ring failure .Loss of compression."
Complaint History for Audi A4
Reported defect complaint volume across sibling model years (2015–2025)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2015 Audi A4 Current Page | 45 | 4 | 1 | Current |
| 2016 Audi A4 | 25 | 0 | 0 | View 2016 Problems → |
| 2017 Audi A4 | 81 | 4 | 1 | View 2017 Problems → |
| 2018 Audi A4 | 49 | 1 | 2 | View 2018 Problems → |
| 2019 Audi A4 | 7 | 0 | 1 | View 2019 Problems → |
| 2020 Audi A4 | 143 | 1 | 3 | View 2020 Problems → |
| 2021 Audi A4 | 13 | 3 | 4 | View 2021 Problems → |
| 2022 Audi A4 | 7 | 0 | 3 | View 2022 Problems → |
| 2023 Audi A4 | 7 | 0 | 0 | View 2023 Problems → |
| 2024 Audi A4 | 2 | 0 | 0 | View 2024 Problems → |
| 2025 Audi A4 | 0 | 0 | 0 | View 2025 Problems → |
Detailed NHTSA Component Breakdown for 2015 Audi A4
Complete distribution of consumer defect reports across all 18 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 | 12 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 5 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 3 | 3 | 0 | 2 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 3 | 0 | 0 | 1 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 3 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 3 | 0 | 0 | 0 | 0 |
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 3 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 2 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 2 | 0 | 0 | 0 | 0 |
| AIR BAGS,STRUCTURE,WHEELS | 1 | 1 | 0 | 3 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING | 1 | 0 | 0 | 0 | 0 |
| EXTERIOR LIGHTING,STRUCTURE | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 1 | 0 | 0 | 0 | 0 |
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.