2014 Audi S6 problems & reliability
20 owner complaints filed with NHTSA for the 2014 Audi S6, alongside 3 safety recall campaigns. Last verified Sep 21, 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 components.
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 / 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…”
Suspension · 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 / 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
771 manufacturer communications (TSBs, service campaigns, warranty extensions) are on file with NHTSA for the 2014 Audi S6. The 10 most recent:
This bulletin provides information when the horn sound quality is poor.
TSB_2074436_3 · Service Bulletin/Repair Instructions · issued Aug 26, 2026
This bulletin provides information for all models regarding brake sounds.
TSB_2069904_3 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information on the zirconium insercts in the brake piston (ceramic brakes only).
TSB_2069078_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This TSB describes a corrosion issue due to outside influence and the prohibition of warranty in these cases.
TSB_2068999_4 · Service Bulletin/Repair Instructions · issued Aug 21, 2026
This bulletin provides information when there is a paint issue on alloy wheels.
TSB_2079732_2 · Service Bulletin/Repair Instructions · issued Aug 11, 2026
This bulletin provides information about the general approach for brake vibration concerns.
TSB_2075120_3 · Service Bulletin/Repair Instructions · issued Aug 11, 2026
This bulletin provides information on the GFF test plan required for AC compressor replacements regardless of the concern.
TSB_20741717_15 · Service Bulletin/Repair Instructions · issued Aug 11, 2026
This bulletin provides information when there is an ABS/ESC speed sensor implausible signal.
TSB_2072304_4 · Service Bulletin/Repair Instructions · issued Aug 11, 2026
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
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.