2014 Audi A6 problems & reliability
41 owner complaints filed with NHTSA for the 2014 Audi A6, alongside 4 safety recall campaigns. Last verified Aug 7, 2026. Complaints are unverified reports submitted by owners to the federal Office of Defects Investigation.
Each complaint is counted once (by NHTSA case number), even when it names several vehicles.
Federal crash records (FARS 2020–2023): 2014 Audi A6 vehicles were involved in 12 fatal crashes with 9 occupant deaths. Involvement counts are not adjusted for how many are on the road and do not imply fault or a vehicle defect.
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Steering | 8 | 20% |
| Air Bags | 7 | 17% |
| Fuel/propulsion System | 6 | 15% |
| Engine | 5 | 12% |
| Service Brakes | 3 | 7% |
| Unknown OR Other | 3 | 7% |
| Electrical System | 2 | 5% |
| Fuel System, Gasoline | 2 | 5% |
| Structure | 2 | 5% |
| Back Over Prevention | 1 | 2% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Mileage when problems occurred
Half of the failures with a reported odometer reading occurred by 49,950 miles (middle 50% between 18,750 and 90,000 miles), based on 20 complaints that included mileage.
Complaints by incident year
What owners report
“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 replacement. [XXX] I have contacted Audi of…”
Engine · filed Jul 22, 2026
“National Highway Traffic Safety Administration (NHTSA) Office of Defects Investigation Re: Safety Defect & Recall Non-Compliance – 2014 Audi A6 (VIN: [XXX] ) I, [XXX] , a private living woman domiciled at c/o [27870], native to Turtle Island of Choctaw and Moorish lineage, submit this complaint regarding an unrepaired…”
Electrical System · filed Sep 1, 2025
“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 in the fuel line. Following the advice of…”
Fuel System, Gasoline · filed Aug 27, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Technical service bulletins
1,370 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Audi A6. The 10 most recent:
This bulletin provides a statement regarding the bottleneck of supply for VW approved oil types VW 504.00 and VW 507.00.
TSB_2082846_1 · Service Bulletin/Repair Instructions · issued Jul 27, 2026
This bulletin provides information when there is a film/visible rings on the clear glass cover of the headlight when the dipped beam is switched on.
TSB_2073282_1 · Service Bulletin/Repair Instructions · issued Jul 9, 2026
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 01-2026 · Other · issued Jul 9, 2026
This bulletin provides information when there are noises in the overrun ( e.g. whirring, howling) - vehicles with 0BC.
TSB_2082617_1 · Service Bulletin/Repair Instructions · issued Jul 2, 2026
This bulletin provides infomraiotn when there is a gearbox malfunction message in the instrument clostuer; DTC P0706; vehicles with 0AW gearbox.
TSB_2034863_5 · Service Bulletin/Repair Instructions · issued Jul 2, 2026
This bulletin provides information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulleitn procides informaiton when tehre is a transmission warning mssage in the instrument cluster; P074100 is stored in the TCM.
TSB_2028985_13 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informaiton when the transmission warning message appears in the cluster; P074100 stored in the TCM.
TSB_2028902_5 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informationwhen noises/vibration are detected from front of vehicle in dynamic mode.
TSB_2074729_3 · Service Bulletin/Repair Instructions · issued Jun 23, 2026
This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2082323_1 · Service Bulletin/Repair Instructions · issued Jun 10, 2026
TSBs are repair guidance manufacturers send to dealers — they are not recalls and repairs are not automatically free. Full documents are available on NHTSA’s site.
Safety recalls
The 2014 Audi A6 has 4 NHTSA recall campaigns — recall repairs are free at franchised dealers regardless of the vehicle’s age.
Check whether your specific vehicle is affected
Recall campaigns often cover only certain VIN ranges. Enter your VIN on the official NHTSA site to confirm whether your vehicle is included and whether the repair is still open.
Check VIN on NHTSA →Buying a used 2014 Audi A6?
- · Decode the seller’s VIN with our free VIN decoder to confirm the exact year, engine and trim.
- · Check for unrepaired recalls by VIN on NHTSA’s official lookup — recall repairs are free.
- · Owners most often reported problems around 49,950 miles — budget accordingly if the car is approaching that mileage.