The contact's sister owns a 2015 Audi A6. The contact stated that while his sister was driving 35 MPH, the vehicle crashed into the rear of a Toyota 4Runner. The driver sustained injuries to the chest and neck and had back pain. Medical attention was not provided. The front bumper and frame, and hood were damaged. The air bags failed to deploy. The vehicle was towed to a tow lot. There was no Police report filed. The drivers exchanged information. The local dealer was not contacted. The vehicle was not diagnosed or repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 129,000.
The worst 2015 Audi A6 problems
Ranked by number of owner complaints. Mileage and cost come from what owners wrote.
- Engine10
- Airbags4
- Electrical3
- Brakes2
- Fuel system2
Problems by type
Tap a problem to see which part fails, at what mileage and in which other years.
- Engine10
- Airbags4
- Electrical3
- Brakes2
- Fuel system2
- Steering2
- Suspension1
- Transmission1
- Wheels1
Recalls 4
Electrical system: wiring
- What is wrong
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2015-2016 Audi A6 Sedans and 2015 Audi A7 vehicles. The auxiliary heater electrical connector on these vehicles may have been incorrectly inserted into the auxiliary heater, possibly resulting in increased electrical resistance.
- Risk
- The extra resistance can cause the connector to overheat, increasing the risk of a fire.
- Remedy
- Volkswagen will notify owners, and dealers will inspect the auxiliary heater connector, replacing the auxiliary heater and connector, as necessary, free of charge. The recall began March 15, 2019. Owners may contact Audi customer service at 1‑800‑253‑2834. Volkswagen's number for this recall is 82C1.
Recall number 18V862000 · Recall details
Air bags: sensor: occupant classification
- What is wrong
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2018 Audi S6 and S7, 2012-2018 A7 and A6 Sedan, and 2014-2018 RS7 vehicles equipped with basic seats (with or without heating). Stress or wear of the body-sensing mat within the front passenger seat may cause the Passenger Occupant Detection System (PODS) control module to malfunction.
- 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.
- Remedy
- Volkswagen will notify owners, and dealers will install a PODS system repair kit, free of charge. The recall began November 29, 2018. Owners may contact Audi customer service at 1‑800‑253‑2834. Volkswagen's number for this recall is 74D5.
Recall number 18V370000 · Recall details
Engine and engine cooling: cooling system
- What is wrong
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5 Cabriolet, A5 Sedan and Audi Q5 vehicles, 2012-2015 Audi A6 vehicles and 2013-2016 Audi A4 Sedan and A4 allroad vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can either become blocked with debris from the cooling system causing it to overheat or can short-circuit from moisture within the pump.
- Risk
- A blocked pump or a short-circuited pump can increase the risk of a fire.
- Remedy
- Audi will notify owners, and dealers will replace the pumps, free of charge. The recall began September 14, 2018. Owners may contact Audi customer service at 1‑800‑253‑2834. Audi's number's for this recall is 19N3/19N4. Note: This recall is in additional to the coolant pump software update applied as a remedy under recall 17V002.
Recall number 18V229000 · Recall details
Engine and engine cooling: cooling system
- What is wrong
- Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2013-2017 Audi A5, A5 Cabriolet and Q5 vehicles, 2013-2016 Audi Allroad and Audi A4 vehicles and 2012-2015 Audi A6 vehicles. These vehicles, equipped with 2.0l Turbo FSI engines, have an electric coolant pump that can be blocked with debris from the cooling system, resulting in the pump overheating.
- Risk
- If the coolant pump overheats, it can increase the risk of a fire.
- Remedy
- Audi will notify owners, and dealers will update the software so that the power supply to the coolant pump is deactivated if the pump becomes blocked with debris, free of charge. The recall is expected to begin February 20, 2017. Owners may contact Audi customer service at 1‑800‑253‑2834. Volkswagen's number for this recall is 19M1.
Recall number 17V002000 · Recall details
Technical service bulletins for the 2015 Audi A6 1,120
Bulletins tell dealers how to fix known problems. A warranty extension means the manufacturer pays for that repair for longer.
- Diagnosed and confirmed malfunction of the vehicle’s AEB system that resulted from failure or malfunction...
- This bulletin provides informaiton on the use of the PICO-NVH tool (VAS 611 015).
- This bulletin proides service information when there is a prompt to take over the steering wheel (hands...
- This bulletin provides information when the starter battery is discharged or malfunctioning.
- This bulletin provides information to aid in diagnosing the vehicle locking system.
- This bulletin provides information when the engine is not runing smoothly; all gas engines.
- This bulletin provides information on VIN plates, Safety Certification labels, and ordering procedures.
- This bulletin provides information for reporting safety related information to the manufacturer.
- This bulletin states that technicians are required to report to the manufacturer when a vehicle has...
- This bulletin provides service information regarding exterior glass cleaning.
2015 Audi A6 fuel economy
Official EPA estimates in miles per gallon (MPGe for electric). Ranges cover trims that share the same engine.
| Engine | Drive | City | Highway | Combined |
|---|---|---|---|---|
| 3.0L 6‑cyl Diesel | AWD | 24 | 38 | 29 |
| 2.0L 4‑cyl | FWD | 25 | 33 | 28 |
| 2.0L 4‑cyl | AWD | 20 | 29 | 23 |
| 3.0L 6‑cyl | AWD | 18 | 27 | 21 |
What 2015 Audi A6 owners say
Most recent owner complaints, unedited.
I am writing to report a serious and life-threatening safety incident involving my Audi vehicle following recent service performed by an authorized Audi dealer. Vehicle information: Model: Audi (2015) VIN: [XXX] Servicing Dealer: Audi Lafayette IN Date of Service: 2026-01-14 A few days after the service appointment, my wife was driving the vehicle from Lafayette, Indiana to Chicago on the highway at normal speed when the vehicle suddenly became unstable and difficult to control. The car experienced violent shaking and loss of directional control, creating an immediate risk of a high-speed accident. Fortunately, she was able to safely bring the vehicle to a stop on the highway shoulder. The vehicle was then towed back to the same dealership. Preliminary inspection strongly suggests a wheel / tire installation failure, which occurred less than a week after dealer service. This incident placed my wife’s life — and the lives of other motorists — in serious danger. We are extremely concerned that this failure may be the result of improper installation or torque procedures performed during the dealer service. At this time: We have not authorized any repairs or alterations to the vehicle We are preserving the vehicle condition for documentation and investigation We are requesting Audi of America’s immediate involvement Given the severity of this incident, we respectfully request: A formal Audi of America safety investigation Preservation and review of all dealer service records and technician documentation. This was not a minor inconvenience — this was a near-fatal highway safety failure, and we believe it requires urgent attention at the corporate level. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2015 Audi A6. The contact stated that while driving on neighborhood roads at approximately 25 MPH, the coolant warning light was illuminated. The contact proceeded to park on the side of the road and walk to her residence to pick up coolant to refill the coolant tank. The vehicle was then taken to the independent mechanic where it was diagnosed that the coolant tank needed to be replaced. The vehicle was not repaired. The manufacturer was not notified of the failure. The approximate failure mileage was 79,000.
P2067 engine check code which shows faulty fuel sensor. Audi has recalled other year Audi a6 sedan vehicles with the same issue and this seems to be a safety issue as it can show incorrect fuel gauge and in the event of car out of fuel, engine can stall and can cause accident.
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 contact owns a 2015 Audi A6. The contact stated that while the vehicle was parked, there was antifreeze leaking underneath the vehicle. The contact stated that the leak was a recurring failure. The contact stated that after starting the vehicle, the "Turn Off Engine, Check Coolant Level" message was displayed. The vehicle was taken to a local dealer and the coolant pump was replaced under the federal safety agency Campaign Number: 18V229000 (Engine and Engine Cooling). The vehicle was repaired. The manufacturer was not made aware of the failure. The approximate failure mileage was 78,000.
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 contact owns a 2015 Audi A6. The contact stated while driving 65 MPH, the oil warning light illuminated. The contact veered to the side of the road and called for roadside assistance. The vehicle was towed to a local dealer to be diagnosed. The contact was informed that the oil level was extremely low due to an oil leak. The contact was informed that the timing chain kit and camshaft cover needed to be replaced. The vehicle was not repaired. The manufacturer was not made aware of the failure. The failure mileage was 85,000.
The car will randomly die without notice and then will not start. There's an EC fault but no other identifiers and the car won't start for quite some time. After sitting for a couple hours or more it will finally start. It happens at a minimum of 1-2 times per month.
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 show oil leakage repeatedly. This has become a repeat issue and have asked the dealer / service center to report this as a manufacturing issue
Compare the 2015 Audi A6
Other model years
199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202420252026
Questions about the 2015 Audi A6
Is the 2015 Audi A6 reliable?
Owners have filed 22 complaints about the 2015 Audi A6, fewer than a typical A6 model year.
What is the 2015 Audi A6 year score?
The 2015 Audi A6 scores 81 out of 100 (good). The score compares it with the other model years of the Audi A6: 75 is a typical year, 50 means twice the usual complaints, and serious complaints and recalls lower it.
What is the most common problem with the 2015 Audi A6?
Engine and cooling, with 10 complaints, typically around 78,000 miles. Next is airbags (4).
How many recalls does the 2015 Audi A6 have?
4 recalls, covering electrical system, air bags and engine and engine cooling.
What gas mileage does the 2015 Audi A6 get?
Official estimates for the 2015 Audi A6 range from 21 to 29 mpg combined. The most efficient version (3.0L 6-cyl diesel, AWD) gets 24 city and 38 highway.
VIN decoder
See the problems and recalls for an exact car
Buying a used 2015 Audi A6?
Check the exact car before you pay: accidents, salvage or flood titles, odometer readings and previous owners.
Check its history