A6 (C7)
Engine Reliability Comparison
4.0T
4.0L 8-cyl / 450 hpView details
Complaint Breakdown
Known Issues
3.0T
3.0L 6-cyl / 333 hpView details
Complaint Breakdown
Known Issues
Audi
3.0L 6-cyl / 310 hpView details
Complaint Breakdown
Known Issues
Vehicle-Level Issues
These issues affect the Audi A6 regardless of engine variant.
Recalls (13)
Volkswagen Group of America, Inc. (Audi) is recalling certain 2013-2017 A8, S6 Sedan, S7, S8, and 2014-2017 RS7 vehicles. The turbocharger oil supply strainer can become blocked, causing wear to the bearings due to lack of lubrication.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2016-2018 Q7, A6 and A7 vehicles, and 2015-2018 Audi A8 vehicles. The left and right fuel rails may leak fuel.
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.
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.
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.
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.
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.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2017 Audi A7, A4, A6, Volkswagen Golf and Tiguan vehicles and 2016 Volkswagen e-Golf vehicles for driver frontal air bags, passenger frontal air bags or head air bags that may not deploy properly. Additionally, certain 2017 Audi Q7, A4 Sedan, A4 Allroad, and 2018 Audi Q5 vehicles are being recalled because the seat belt pretensioners may not activate properly.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 and Audi A7 vehicles. The affected vehicles have a fuel hose in the engine compartment that may degrade and leak fuel.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2011-2012 Audi S4, S5, Q7, 2012 Audi A6, Volkswagen Touareg Hybrid, and 2012-2013 Audi A7 vehicles. In the affected vehicles the fuel injection system may experience a fuel leak.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2012-2013 Audi A6 vehicles manufactured March 28, 2011, to March 25, 2013, and 2012-2013 Audi A7 vehicles manufactured January 25, 2011, to March 19, 2013. In vehicles with heated and cooled seats, the Passenger Occupant Detection System (PODS), used to enable the front passenger air bags, may malfunction and prevent the passenger-side air bags from deploying in a crash.
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain model year 2013-2014 Audi S6 and S7 vehicles equipped with 4.0L engines. Due to manufacturing tolerance issues, a fuel line may leak fuel.
VOLKSWAGEN IS RECALLING CERTAIN MODEL 2012 AUDI A6 VEHICLES MANUFACTURED FROM APRIL 8, 2011, THROUGH MAY 26, 2011. DUE TO A PROBLEM IN THE STITCHING PROCESS OF THE CURTAIN AIR BAG, THE SEAM OF THE AIR BAG MAY NOT BE STITCHED PROPERLY.
All Generations
Alternatives in Midsize Sedan
Frequently Asked Questions
What are the most common 2012-2018 Audi A6 problems?
The 2012-2018 Audi A6 has accumulated 339 NHTSA complaints. The most frequently reported problem areas are Engine, Safety Systems, Steering. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.
Which Audi A6 engine is most reliable?
The 2012-2018 Audi A6 was offered with 3 engine options. Based on NHTSA complaint data, the 2.995000L 6-cyl has the lowest complaint density and is considered the most reliable choice for buyers.
Is the 2012-2018 Audi A6 a good used car?
The 2012-2018 Audi A6 can be a solid used car purchase depending on trim, mileage, and maintenance history. With 339 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.
How many NHTSA complaints does the 2012-2018 Audi A6 have?
The 2012-2018 Audi A6 has 339 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.
What recalls affect the 2012-2018 Audi A6?
There are 13 NHTSA recalls affecting some 2012-2018 Audi A6 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.
What should I check before buying a used Audi A6?
Before buying a used Audi A6, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Engine, Safety Systems, Steering, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.
Data from NHTSA federal complaints database. 339 complaints analyzed. Data confidence: high. Last updated: 2026-04-06.