2014 Audi S6 problems & reliability
20 owner complaints filed with NHTSA for the 2014 Audi S6, alongside 3 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.
2 complaints report injuries (2 injured).
Most reported problems
| Component | Complaints | Share |
|---|---|---|
| Engine → | 14 | 70% |
| Fuel/propulsion System | 3 | 15% |
| Suspension | 3 | 15% |
| Power Train | 2 | 10% |
| Steering | 2 | 10% |
| Electrical System | 1 | 5% |
| Engine and Engine Cooling | 1 | 5% |
| Exterior Lighting | 1 | 5% |
| Forward Collision Avoidance | 1 | 5% |
| Unknown OR Other | 1 | 5% |
Component groups as classified by NHTSA. A complaint can name more than one component, so shares may sum to more than 100%.
Complaints by incident year
What owners report
“I was driving hit a puddle of water, then all the sudden my power steering went out. I took it in to get looked at, and I'm being told it will cost several thousand dollars to fix the power steering. In addition, this vehicle has air in the suspension, but it now makes sounds when it lifts and takes a longer period of…”
Electrical System · filed Jun 18, 2025
“2014 AUDI S6- Consumer states " I am writing to file a claim for a vehicle recall on my 2014 Audi S6. The date of the recall is March-20-2022. The NHTSA Campaign# is 22V-178. The Audi Recall# is 21H7. The specific defect that is being recalled is Turbo failure. In early 2021, I experienced multiple problems with my…”
Unknown OR Other · filed Jul 3, 2023
“I am writing to formally lodge a complaint regarding the persistent and premature failure of motor and transmission mounts on the 2014 Audi S6, manufactured and sold by [Automaker Company Name]. This issue has resulted in significant inconvenience and financial burden and, more importantly, poses profound safety…”
Engine · filed Jun 10, 2023
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Federal defect investigations
- Engine Stall - Turbo Failure
Engineering Analysis EA22001 · opened Apr 4, 2022 · closed May 26, 2023
- Engine Stall - Turbo Failure
Preliminary Evaluation PE21009 · opened Mar 29, 2021 · closed May 27, 2022 · led to recall 22V178000
Technical service bulletins
764 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Audi S6. 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 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 information when there are noises from the area around the instrument cluster.
TSB_2059335_7 · 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
This Reporting Obligation requires technicains to contact the Technical Assistance Center (TAC) in cases where the airbag/seatbelt is deployed/not deployed; general accident information; and fire and overheat damage.
TSB_2052680_6 · Service Bulletin/Repair Instructions · issued Jun 4, 2026
This is a notice for software changes with the ODIS diagnostic program to correct the communication during vehicle programming function: A software fix is needed to correct the issue: The ODIS Audi Brand update 2.41.1…
AOS-26-25 · Service Bulletin/Repair Instructions · issued May 26, 2026
The high-voltage batteries in electric vehicles are subject to various ageing effects which could lead to the energy content (energy density) being reduced. This reduction in the energy content, which is due to factors…
TSB_2074808_4 · Service Bulletin/Repair Instructions · issued May 6, 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 S6 has 3 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 S6?
- · 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.