2014 Audi A6 Common Problems & Defect Telemetry
Authoritative defect intelligence synthesized from 41 verified NHTSA owner complaints, 4 federal safety recalls, and interquartile failure mileage telemetry.
The 2014 Audi A6 receives a 4.8/10 MazicBay Reliability Index based on 41 verified NHTSA federal complaints and 4 safety recalls. The primary reported failure mode is Engine Stalling, Oil Consumption & Cooling Defect Reports with a median failure point at 99,141 miles (IQR: 99,141 – 99,141 mi). Out-of-warranty repairs benchmark at $950 – $3,200 .
34.2 complaints / 10k sold
Verified US federal records
Crash, fire & stall audit
4 Active / Free Remedies
Top Reported Problem Clusters (7)
Engine Stalling, Oil Consumption & Cooling Defect Reports
- Engine sudden stall / hesitation while driving
- Abnormal oil burning / consumption
- Check Engine Light (MIL) flashing
- Engine overheating / coolant loss
“On XXX my 2014 Audi A6 failed to accelerate on a parkway. An EPC light appeared. I restarted. It reappeared and car was slow and shaky. I took right to nearest Audi dealership. The next day, they sent this video, admitting a common problem, and suggesting full engine replaceme...”
“I purchased a 2014 Audi A6 2.0T Quattro premium plus on November 15, 2024 with 99,141 miles. I got the 14 day dealership extended warranty, which covered powertrain systems. After 3 days of driving exactly 103 miles the oil light came on my dashboard telling me that the oil wa...”
“The contact owns a 2014 Audi A6. The contact stated while driving at approximately 70 MPH, the accelerator pedal was depressed; however, the vehicle stalled. The Electronic Power Control System and the Check Engine warning lights were illuminated. The vehicle was towed to a de...”
Electric Power Steering Assist & Suspension Noise Reports
- Sudden loss of electric power steering assist
- Steering wheel pull or highway wander
- Clunking / knocking noise over bumps
“I purchased a 2014 Audi A6 2.0T Quattro premium plus on November 15, 2024 with 99,141 miles. I got the 14 day dealership extended warranty, which covered powertrain systems. After 3 days of driving exactly 103 miles the oil light came on my dashboard telling me that the oil wa...”
“The electronic steering system on my Audi A6 failed without warning, locking my steering wheel in place. A review of on line message boards for Audi owners indicates this is a systemic problem, and has, for some owners, actually locked their steering while driving. This did no...”
“Audi sent a notice in June 2021 regarding the issuance of a limited extended warranty coverage for Electromechanical Steering Unit for certain 2011-2016 model year A4, A4 Allroad, A5, S5, RS5, Q5, SQ5, A6, S6, A7, RS7, A8, and S8 vehicles. The letter stated that "Audi has dete...”
Airbag Occupant Detection & Inflator Defect Reports
- SRS Airbag warning lamp illuminated
- Passenger occupant classification sensor failure
- Seat belt retractor lockup
“National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation Re: Safety Defect & Recall Non-Compliance – 2014 Audi A6 (VIN: ... ) I, ... , a private living woman domiciled at c/o [27870], native to Turtle Island of Choctaw and Moorish lineage, submit ...”
“ON 12/3/19 OUR CAR WAS TAKEN TO A CERTIFIED AUDI DEALER FOR HAVING THE AIRBAG LIGHT ON INDICATING A SAFETY ISSUE. THE AUDI TECH #293N FOUND THE PASSENGER OCCUPANT DETECTION CONTROL MODULE FAULTY AND OFFERED TO REPLACE THIS PART FOR $1,172.60. THERE IS A RECALL FOR A6 MODEL YEA...”
“18V370 RECALL GOING ON FOR MONTHS AND MONTHS. I WANT A FINAL FIX AND NOT TEMPORARY.”
Fuel Pump Pressure Loss & Fuel Delivery Defect Reports
- Sudden loss of propulsion power at highway speeds
- Extended engine cranking / failure to restart
- Fuel odor near fuel tank / engine bay
“The contact owns a 2014 Audi A6. The contact stated that there was a fluid leak underneath the vehicle near the exhaust pipe, with a fuel-like odor. No warning lights were illuminated. A certified mechanic inspected the vehicle at the residence, and determined there was a leak...”
“I am writing to formally file a complaint regarding persistent mechanical failures and safety concerns with my 2014 Audi A6, VIN: ... , which have resulted in significant repair expenses, inconvenience, and potential safety hazards. Despite having the front brakes and sensors ...”
“The contact owns a 2014 Audi A6. The contact stated while driving at approximately 70 MPH, the accelerator pedal was depressed; however, the vehicle stalled. The Electronic Power Control System and the Check Engine warning lights were illuminated. The vehicle was towed to a de...”
Service Brakes, ABS Actuator & Master Cylinder Reports
- Spongy or hard brake pedal travel
- ABS / Brake warning light illuminated
- Extended stopping distance / pedal vibration
“I am writing to formally file a complaint regarding persistent mechanical failures and safety concerns with my 2014 Audi A6, VIN: ... , which have resulted in significant repair expenses, inconvenience, and potential safety hazards. Despite having the front brakes and sensors ...”
“ALL FOUR BRAKES ROTORS WERE WARPED AT 37K AND HAD THEM REPLACED. NOW THE DEALERSHIP IS TELLING ME THE FRONT ONES ARE WARPED AGAIN AFTER 12K MILES. CAR VIBRATES WHEN YOU BRAKE.”
“A FEW TIMES WHEN SLOWLY GLIDING TO A STOP (RED LIGHT OR STOP SIGN) WHEN STEPPING ON THE BRAKE PEDAL IT SEEMS TO GO TO THE FLOOR AND NEEDS TO BE PUMPED IN ORDER TO STOP. IT'S A SCARY SITUATION. I CANNOT MAKE IT HAPPEN. IT DIDN'T SEEM TO HAPPEN UNTIL I HAD THE BRAKE FLUID CHANGE...”
Electrical Parasitic Drain, Infotainment & Harness Reports
- Unexplained battery drain after sitting overnight
- Infotainment display / instrument cluster blackouts
- Accessory malfunction / alternator fault warnings
“National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation Re: Safety Defect & Recall Non-Compliance – 2014 Audi A6 (VIN: ... ) I, ... , a private living woman domiciled at c/o [27870], native to Turtle Island of Choctaw and Moorish lineage, submit ...”
“I am writing to formally file a complaint regarding persistent mechanical failures and safety concerns with my 2014 Audi A6, VIN: ... , which have resulted in significant repair expenses, inconvenience, and potential safety hazards. Despite having the front brakes and sensors ...”
“I have recently purchased my 2014 Audi A6 in Honolulu at JN Autogroup. After just a couple days of driving the vehicle I have noticed that the car started to smell like gas in and out of the vehicle. The smell is very potent and very sensible throughout every second of driving...”
Transmission Hesitation, Hard Shifting & Slipping Reports
- Hard gear shifts / delayed engagement into Drive/Reverse
- Transmission shudder / jerking under acceleration
- Transmission slipping between gears
“I purchased a 2014 Audi A6 2.0T Quattro premium plus on November 15, 2024 with 99,141 miles. I got the 14 day dealership extended warranty, which covered powertrain systems. After 3 days of driving exactly 103 miles the oil light came on my dashboard telling me that the oil wa...”
“AT 5PM ON JULY 20, 2016 I DROVE MY A6 TO THE HOME OF MY GRANDDAUGHTERS FRIEND, THEY ARE BOTH 15 YRS. OLD AND WERE IN THE CAR AT THE TIME, TO DROP HER OFF . I PULLED INTO THE DRIVEWAY AND WHEN I PUT THE CAR INTO PARK IT LUNGED, AT A FAST RATE, FORWARD SMASHING INTO A RAILROAD T...”
Official NHTSA Safety Recalls (4)
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION
Summary: 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.
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Summary: 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.
ENGINE AND ENGINE COOLING:COOLING SYSTEM
Summary: 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.
FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Summary: Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2012-2014 Audi A6 and A7 vehicles. The fuel line has a compression point that can weaken, potentially resulting in a fuel leak.
Pre-Purchase Inspection Checklist for 2014 Audi A6
Before purchasing a used 2014 Audi A6, perform the following targeted inspections based on reported federal defect patterns:
Scan the OBD-II port under the dash for pending freeze-frame codes (e.g. P0300 misfires, P0087 fuel rail pressure, P0420 catalytic efficiency).
Test vehicle at low-speed stop-and-go and highway merges. Check for delayed reverse engagement or gear shift shudder between 2nd and 3rd gears.
Verify that all 4 NHTSA safety recall campaigns have been performed by an authorized dealership using the VIN.
Ensure the instrument cluster, center screen, and auxiliary charging ports operate with stable 12.0V–14.4V alternator voltage.
Defect & Reliability Q&A: 2014 Audi A6
Is the 2014 Audi A6 a reliable used car?
The 2014 Audi A6 earns a 4.8/10 MazicBay Reliability Index based on 41 federal owner reports. Vehicles maintained under factory service schedules exhibit strong longevity past 150,000 miles.
What is the most frequent defect reported on the 2014 Audi A6?
The leading complaint category is Engine Stalling, Oil Consumption & Cooling Defect Reports, with a median failure point around 99,141 miles (IQR: 99,141 – 99,141 mi).
Are there free recall repairs available for the 2014 Audi A6?
Yes, the NHTSA records 4 safety recall campaign(s) for this model year. All safety recalls are performed 100% free of charge by authorized franchise dealerships regardless of vehicle warranty status.