2015 Audi A4 problems and owner complaints
Explore the records behind recurring owner reports.
Key facts
19 owner complaints analyzed
0 distinct recall campaigns
44,000 mi median reported failure mileage
Scope: 2015 model year. Data snapshot: . 6 complaints include usable failure mileage.
Most common problems
Engine is the most frequently named component, appearing in 10 of 19 complaints (52.6%). A complaint can name multiple components.
| Topic | Matching reports | Share of complaints |
|---|---|---|
| Electrical and battery issues | 2 | 10.5% |
| Braking behavior | 1 | 5.3% |
Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.
Component breakdown
Number of unique complaints naming each component. Top eight shown.
| Category | Count |
|---|---|
| Engine | 10 |
| Electrical System | 3 |
| Unknown Or Other | 2 |
| Air Bags | 1 |
| Engine And Engine Cooling | 1 |
| Exterior Lighting | 1 |
| Exterior Lighting:Headlights | 1 |
| Forward Collision Avoidance: Automatic Emergency Braking | 1 |
Engine: 10; Electrical System: 3; Unknown Or Other: 2; Air Bags: 1; Engine And Engine Cooling: 1; Exterior Lighting: 1; Exterior Lighting:Headlights: 1; Forward Collision Avoidance: Automatic Emergency Braking: 1
Reported problems by failure mileage
Complaint counts in mileage bands. These are not failure rates per vehicle or mile.
| Category | Count |
|---|---|
| Under 25,000 | 1 |
| 25,000 to 49,999 | 3 |
| 50,000 to 74,999 | 0 |
| 75,000 to 99,999 | 1 |
| 100,000 to 149,999 | 1 |
| 150,000 and above | 0 |
Under 25,000: 1; 25,000 to 49,999: 3; 50,000 to 74,999: 0; 75,000 to 99,999: 1; 100,000 to 149,999: 1; 150,000 and above: 0
25,000 to 49,999 miles has the most reports with usable mileage (3). 13 complaints have missing, zero or invalid mileage.
Complaints over time
Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.
| Category | Count |
|---|---|
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 3 |
| 2026 | 1 |
2019: 1; 2020: 2; 2021: 4; 2022: 4; 2023: 2; 2024: 2; 2025: 3; 2026: 1
Pattern summary
Engine leads the component reports. Electrical and battery issues appears in 2 complaint narratives. Braking behavior appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.
Calculated from recorded counts. An AI narrative has not been published for this selection.
Complaint evidence
Examples provide context, not a representative sample or a verified diagnosis.
Owner report 11405766 · 2021-03-31 (March 31, 2021)
TL* THE CONTACT OWNS A 2015 AUDI A4. THE CONTACT STATED WHILE DRIVING 35 MPH, THE FRONT GRILL OF THE VEHICLE DETACHED AND SEPARATED FROM THE VEHICLE. THE CONTACT ALSO STATED THAT THE HEADLIGHTS WERE INOPERABLE, AND THERE WAS NO OIL IN THE ENGINE. THE CONTACT STATED THAT SEVERAL UNKNOWN WARNING LIGHTS WERE ILLUMINATED. THE CONTACT WAS RELATING THE ISSUE TO A WIRING ISSUE. THE VEHICLE WAS TAKEN TO KEY FORD OF YORK (422 US-1, YORK, ME 03909) TO BE DIAGNOSED. THE CONTACT WAS INFORMED THAT THE HEADLIGHTS NEEDED TO BE REPLACED. ADDITIONALLY, THE ENGI…
Owner-reported narrative. 42,000 miles reported. Look up ODI 11405766 at NHTSA ↗
Owner report 11424153 · 2021-07-09 (July 9, 2021)
The battery failed/malfunctioned and was leaking hydrogen sulfide gas into my car slowly for a long period of time. A month or two after I initially financed this used Audi A4 at Volkswagon in Dothan, AL, I started experiencing the side effects of low dose exposure to hydrogen sulfide gas. From that point until today my symptoms have been getting worse and worse. My asthma symptoms progressed. I caught walking pneumonia several times. My hair has been falling out in clumps and my kindneys are having serious issues. My pee started smelling very …
Owner-reported narrative. Look up ODI 11424153 at NHTSA ↗
Owner report 11447143 · 2022-01-12 (January 12, 2022)
The engine failed while I was driving. The car did not show any warning lamps, messages or other symptoms, it just jumped and died. I had the car towed to my mechanic. The mechanic thought it was the starter, but then realized the chain had broken and it hit other parts of the engine, including the pistons catastrophically. The engine is not reparable. My safety was a risk as the car died on a busy road. Audi has asked that I bring the car, at my expense for them to inspect, without offering anything. I have a letter from them indicating that t…
Owner-reported narrative. Look up ODI 11447143 at NHTSA ↗