2015 Audi A4 problems, complaints & recalls
Most-reported problem areas: Engine (8) · Electrical System (2) · Visibility/Wiper (1)
🧭 Reliability snapshot
Compared against other Audi A4 model years — complaint volume vs the model's median year, recalls and severity. How we score →
Safety recalls (0)
No recalls on record for this model year (campaigns announced since 2010).
Service bulletins (507)
Technical service bulletins are repair instructions manufacturers send dealers for known issues. Unlike recalls, the fix is not automatically free — but naming the bulletin at the service desk can save diagnosis time and support goodwill repairs.
Unknown Or Other 2026-09-25 · TSB_2083409_1 · Service Bulletin/Repair Instructions
this bulletin states that technicians are required to report to the manufacturer when a vehicle has flooded, and specify the height to which the vehicle has been flooded.
Unknown Or Other 2026-09-25 · TSB_2052680_2 · Service Bulletin/Repair Instructions
this bulletin provides information for reporting safety related information to the manufacturer.
Steering 2026-09-22 · TSB_2074846_5 · Service Bulletin/Repair Instructions
this bulletin provides information about vibrations and rotational steering vibrations.
Visibility/Wiper 2026-09-22 · TSB_2020552_15 · Service Bulletin/Repair Instructions
this bulletin provides service information regarding exterior glass cleaning.
Unknown Or Other 2026-09-15 · TSB_2030471_9 · Service Bulletin/Repair Instructions
this bulletin provides information when the license plate mounting bracket threded inserts are stripped.
Structure:body 2026-09-08 · TSB_2068999_5 · Service Bulletin/Repair Instructions
this tsb describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
Showing the 6 most recent of 507 bulletins. Search all of them free at nhtsa.gov.
What owners report
2026-07-15 · Engine“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…”
2025-12-04 · Engine And Engine Cooling · 141,177 mi“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 manufacturer was notified of the failure. the failure mileage…”
2025-02-18 · Engine“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…”
2025-02-18 · Fuel/Propulsion System“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 to identifying the problem …”
2024-12-05 · Engine“no 3 cylinder piston ring failure .loss of compression.…”
2024-03-28 · Engine“piston ring defect and blew from over oil consumption. all years from audi a4 2012-2019 recall law suit but they did not include 2015 which all years and models have same piston ring manufacturer defect it blew on me while i was driving home . lucky i was in neighborhood and not on highway very unsafe. …”
2023-03-12 · Unknown Or Other“mmi system worked during test drive and then not worked after final sale: safety systems included: the multi media interface (mmi) system is an in-car user interface media system developed by audi, and was launched at the 2001 frankfurt motor show. mmi operates a large number of in car entertainment components, car electronics, and other functions…”
2023-02-20 · Electrical System“turn signal switch malfunction. when turning right turn direction on, the left turn goes on instead of the right turn. after researching the issue, it looks like it’s a common issue with audi. this is a safety issue and need to be recalled asap. …”
2022-09-26 · Unknown Or Other“the second (not movable) glass pane of the "panoramic sunroof" spontaneously shattered. that happened three days ago, because of the potential for water damage i need to have this repaired as soon as possible. however, until i get it repaired it is available for inspection. apparently many audi owners have experienced a similar phenomenon, comm…”
2022-06-04 · Engine“the engine had catastrophic damage. i was driving, full oil, and the engine just died. the mechanic said the engine was destroyed and believes it was a manufacturing mistake.…”
Excerpts of consumer complaints filed with NHTSA, lightly truncated. They are owner statements, not verified findings.