repaired · 2020 Q2
Electrical system: wiring
Risk. The extra resistance can cause the connector to overheat, increasing the risk of a fire.
2015 Audi A6Problems, recalls & complaints
NHTSA has logged 22 owner complaints about the 2015 Audi A6, most often about the engine. It is covered by 4 safety recalls, and for recall 18V-370 the manufacturer reports only 85% of affected cars repaired.
Source: NHTSA complaints, recalls, investigations and manufacturer recall reports, through July 24, 2026. Updated daily.
Complaints by system
Where the 2015 Audi A6 has problems
22 complaints grouped by the system owners reported.
6Engine
4Air bags1 crash/fire/injury
4Engine and engine cooling
3Electrical system
2Steering
2Fuel/propulsion system
2Service brakes
1Wheels
1Power train
11 other systems
| System | Complaints | Crash, fire or injury |
|---|---|---|
| Engine | 6 | 0 |
| Air bags | 4 | 1 |
| Engine and engine cooling | 4 | 0 |
| Electrical system | 3 | 0 |
| Steering | 2 | 0 |
| Fuel/propulsion system | 2 | 0 |
| Service brakes | 2 | 0 |
| Wheels | 1 | 0 |
| Power train | 1 | 0 |
| 1 other systems | 1 | 0 |
Source: NHTSA Office of Defects Investigation. Complaints are submitted by the public and are not verified by NHTSA.
4 recalls
2015 Audi A6 recalls and how many were fixed
Each ring shows the share of affected cars repaired, from the manufacturer’s latest quarterly report to NHTSA. Recall repairs are free at authorized dealers.
repaired · 2020 Q1
Sensor: occupant classification
Risk. If the PODS module malfunctions, the front passenger air bag may not deploy properly in the event of a crash, increasing the risk of injury.
repaired · 2020 Q2
Engine and engine cooling: cooling system
Risk. A blocked pump or a short-circuited pump can increase the risk of a fire.
repaired · 2018 Q2
Engine and engine cooling: cooling system
Risk. If the coolant pump overheats, it can increase the risk of a fire.
Recalls apply to specific cars. To see whether a recall is still open on yours, enter the 17-character VIN at nhtsa.gov/recalls or with Audi.
Best & worst years
2015 vs. every other A6 year
Bars show complaints per model year. Colors show the CarFlaw verdict: complaints weighted for crashes, fires and injuries, adjusted for years on the road and compared with the A6 median. How we score
'94'95'96'97'98'99'00'01'02'03'04'05'06'07'08'09'10'11'12'13'14'15'16'17'18'19'20'21'22'23'24'25'26
- Avoid
- Caution
- Solid
- Best
- Not rated
NHTSA crash tests
2015 Audi A6 safety ratings
2015 Audi A6 4 DR FWD in NHTSA's New Car Assessment Program. Photos are from NHTSA's crash tests.
★★★★★
Frontal crash★★★★★
Side barrier★★★★★
Side pole★★★★★
- Rollover: 5 stars (9.0% risk)
- Stability control: Standard
- Forward collision warning: Optional
- Lane departure warning: No
In owners' words
What A6 owners report
Recent engine complaints filed with NHTSA, shortened. Personal details are removed.
Coolant sprayed on engine components due to leaking Coolant /Water pump. Coolant level is falling below minimum level - Problem confirmed by the dealer 1. Water pump 2. Coolant sprayed onto engine components - potential fire hazard 3. Confirmed by dealer 4. Unknown 5, Umknown
The defect of water pump used by this model causes coolant leakage and a serious overheating problem that triggers the temperature warning light. It is a safety risk without repairing this.
THE BRAKES ARE GRABBY AND WITH A GENTLE DEPRESSION OF THE BRAKE PEDAL THE CAR COMES TO A SUDDEN JERKY STOP. USUALLY HAPPENS FROM SLOWING DOWN FROM 10MPH TO 0MPH THE TRANSMISSION JERKS HARD WHEN SPEED DROPS FROM 15MPH THE ENGINE ERRONEOUSLY SHOWS CHECK ENGINE LIGHT DURING NORMAL DRIVING. CYLINDERS…
Own a 2015 A6?
Decode your VIN to see the recalls for your exact car, then confirm open recalls with NHTSA.