Audi S6 Complaints

142 consumer complaints on file.

#11766552September 23, 2026
ELECTRICAL SYSTEM, FUEL/PROPULSION SYSTEM
2025 Audi S6 Sportback e-tron. On approximately August 19, 2026, the dealer installed Service Action 06K2 (software update). Immediately afterward, the vehicle began failing to charge reliably on my home Level 2 charger — repeated plug/unplug attempts (up to ~30) often fail to initiate charging. The fault also occurs intermittently at public DC fast charging stations. The vehicle charged without issue for the prior year of ownership. On September 11, 2026, an Audi regional case manager acknowledged a known issue with this update and stated a corrective software update is targeted for November 2026, but offered no interim remedy. No crash or injury; vehicle remains difficult to keep charged for normal use.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11756016August 10, 2026
ELECTRICAL SYSTEM, ENGINE, UNKNOWN OR OTHER
My car sat overnight and the next afternoon I drove approx. 3 miles and got a warning to at the engine “coolant temperature too high: let engine run while vehicle is stationary”. I took the car to the local dealership who diagnosed it as “coolant migration” and quoted a repair cost of nearly $5200. The vehicle is 2022 with not even 26k miles and well maintained at the same dealership. I was informed it was a known issue but and they service manager would take the matter up with Audi corporate given the vehicle is 6 months out of warranty. That was all in Friday 8/10/26. Today, the service advisor called and told me it would be a goodwill repair and I would be responsible for 66% of the repair cost or roughly $3500. I am extremely unhappy and would like to pursue legal action
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11755755August 9, 2026
ELECTRICAL SYSTEM, STRUCTURE:BODY
The electronic door locking system on my 2025 Audi S5 has repeatedly and unpredictably locked me inside the vehicle and, on separate occasions, locked me out of the vehicle, with no consistent trigger. The electronic central door locking system/mechanism (door latch actuators and associated locking control module) has malfunctioned, intermittently failing to unlock (trapping occupants inside) and failing to lock (locking me out). This matches a known issue reported in Audi TSB 2078793/4, affecting 2025-2026 A5, S5, Q5, and SQ5 models, and is also the subject of a filed class action lawsuit (Parikh v. Volkswagen Group of America, Inc., Case No. 2:26-cv-03288, C.D. Cal.) covering this exact vehicle and model year. Yes — a "Central Locking: Malfunction" warning message has appeared on the vehicle's display.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11754771August 4, 2026
FUEL SYSTEM, OTHER
The contact owns a 2003 Audi S6. The contact stated that while refueling the vehicle in the driveway, gasoline was leaking from the vehicle. The vehicle was then repaired under NHTSA Campaign Number: 11V267000 (Fuel System, Other); however, the failure persisted. The dealer was contacted, and the vehicle was diagnosed with fuel tank failure. The contact was informed that the part was discontinued. The vehicle was not repaired. The manufacturer was made aware of the failure. The failure mileage was approximately 176,000.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11722221March 5, 2026
LANE DEPARTURE, FORWARD COLLISION AVOIDANCE: WARNINGS, VEHICLE SPEED CONTROL
See attached document for complaint.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11715436February 4, 2026
POWER TRAIN
I was driving my Audi when I got transmission malfunction light on along with suspension fault and epc light and check engine light all together and the car wouldn’t go faster than 20 mph. Causing someone to rear end me and them fleeing . So not only was my car hit because of this but I had no driver to hold responsible for the damage
Crash:
Yes
Fire:
No
Injuries:
0
Deaths:
0
#11701826November 27, 2025
SERVICE BRAKES
The front passenger-side 6-piston Brembo caliper's (Part No. 20.A989.63) external steel crossover tube failed due to corrosion, specifically where the tubing was covered by a protective rubber sleeve, which trapped moisture and road salt. This led to a catastrophic loss of brake fluid and braking capability. This appears to be a systemic corrosion defect.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11696734October 31, 2025
ELECTRICAL SYSTEM
Electrical system failure - risk of fire warning. Car would not engage in gear. 2025, with less than 1000 miles
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11675620July 23, 2025
ELECTRICAL SYSTEM, STEERING, SUSPENSION
Steering Module went out for no apparent reason. I was able to find a used one and have it repaired for just under $1000. I had git two quotes for to auto shops that specialize in Audi repairs and they were both over $5300 to repair this steering module. This is unacceptable.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11667752June 18, 2025
STEERING, ELECTRICAL SYSTEM, SUSPENSION
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 time to lift than normal. Something is effected in my suspension, as well. My vehicle only has 67,689 miles on it, and it should not be having power steering problems from driving through a puddle of water. Lastly, after calling in to Audi, they did a search for the warranty, and Audi did add an extended warranty on the power steering of 125,000 miles or 10 years, which ever occurs first. This means they know about the power steering issue, and with my car being just over 10 years old, the power steering is not covered. I also know a friend who has a 2015 S6 Audi with just under 125,000 miles on it. It happened to him, as well. I will let him know he needs to report the issue, because there is a clear power steering or electrical problem. I have no power steering as of now, and to me, this is a safety issue. I believe something electrical got shorted out which is causing the power steering to be manual steering and problems with suspension when lifting. I'm mainly concerned with the power steering going out with under 70k miles and it takes a lot of effort to drive this. I shouldn't be driving the car right now, but I have not choice at the moment.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11663980May 30, 2025
ELECTRICAL SYSTEM, ENGINE, POWER TRAIN
While driving my 2020 Audi S6, the vehicle suddenly lost power and completely shut off in the middle of the road without warning. There were no warning lights or messages beforehand. I was unable to accelerate or steer out of the way, which created a major crash risk for myself and other drivers. I had to have the vehicle towed to Audi of Riverside for diagnosis and repair. The dealership confirmed the issue was related to Recall 22V861 (Gateway Control Module). I was never notified by Audi of this open safety recall prior to the incident. The problem was immediately confirmed by the dealership, and the vehicle has been in the shop since September 2024 — now over eight months — with no ETA on parts from Audi and no resolution. During this time, Audi has not provided a loaner vehicle or rental support. I’ve continued to pay my monthly car note for a car I cannot use and have spent hundreds of dollars per month on Uber and alternate transportation to get to work. Audi issued a $3,000 goodwill check, but that does not begin to cover my actual out-of-pocket costs. I also previously requested a vehicle buyback, which was denied. This is a serious safety defect that caused a dangerous on-road failure, and the manufacturer has failed to provide a timely or adequate remedy. The issue has been confirmed by the dealership, and the vehicle is still not repaired or returned to me. I’m requesting immediate investigation and enforcement regarding this unresolved recall and the unreasonable delay in resolution.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11645874March 2, 2025
ELECTRICAL SYSTEM, UNKNOWN OR OTHER
My 2020 Audi S6 has been undriveable since September 27, 2024 due to a backordered recall part (Gateway Control Module). Audi has failed to provide a repair timeframe, making my car unusable for over five months. Audi has refused to provide a loaner vehicle despite the long delay. As of March 2025, there is no estimated time of arrival for the part, and Audi has not provided any alternative resolution. This recall renders the car inoperable, posing a serious financial and safety concern.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11645758March 1, 2025
ENGINE, POWER TRAIN
Was just driving down the highway at normal speed and my car lost all power, every like came up on the dash and disabled my power steering causing me to almost crash. Took it to the shop mechanic tells me the turbos failed due to oil screen and it will cost me $8,000 Not sure why they failed I have amazing service records on my car. This needs to be a recall.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11631149December 17, 2024
SUSPENSION
Subject: Formal Complaint Regarding Defective Arnott Front Air Strut To Whom It May Concern, I am writing to formally report a significant safety concern regarding a defective Arnott FL front air strut purchased via RockAuto for my 2016 Audi S6 (VIN: [XXX] ). The air strut failed within five days of professional installation. This failure compromised the safety and functionality of my vehicle's suspension system, potentially risking further damage and endangering passengers. I was forced to drive the vehicle briefly in this compromised state to arrange for reinstallation, creating an additional safety hazard. Details of the issue: Product: Arnott FL Front Air Strut (purchased via RockAuto). Professional Installation Dates: October 25, 2024, and reinstallation due to failure on November 27, 2024. Failure Description: The air strut lost functionality within five days of installation, causing a significant drop in vehicle height and inability to maintain proper suspension. This defect demonstrates a failure of Arnott’s quality control and has left me concerned about the safety of their products, particularly when they play a critical role in vehicle performance and passenger safety. I am requesting that NHTSA investigate this matter to ensure no systemic issues with Arnott's products compromise the safety of other drivers. I have attached supporting documentation, including invoices for installation, reinstallation, and further details on the defective part. Thank you for your attention to this urgent safety matter. I look forward to your acknowledgment and any updates regarding this investigation. Sincerely, [XXX] [XXX] [XXX] [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11619889October 15, 2024
ENGINE
the 2013 Audi 4.0T generation have a massive issue where the engine start leaking from the bottom of the crankcase where the block connects to it and to fix all these issues audi is asking a rebuild of the entire engine this issue is very common on the 2013 2014 2015 S6 S7 S8 with the 4.0T worldwide problem
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11597113June 27, 2024
POWER TRAIN, FORWARD COLLISION AVOIDANCE: ADAPTIVE CRUISE CONTROL, FORWARD COLLISION AVOIDANCE: AUTOMATIC EMERGENCY BRAKING
We, a group of Audi S6 owners with vehicles from the 2013-2017 model years, are experiencing premature mechatronic issues. These problems manifest as jerking when coming to a stop, which can lead to accidents, and intermittent power loss that can be life-threatening. These issues began around 40,000 miles and have progressively worsened, despite our vehicles having only approximately 70,000 miles on them. Given the early onset and severity of these problems, we strongly urge a recall. The current mechatronic design appears to be flawed and fails prematurely, posing significant safety risks.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11565497January 15, 2024
ENGINE, UNKNOWN OR OTHER, FUEL/PROPULSION SYSTEM
Hi - The Crankcase Ventilation Valve Extended Warranty [XXX] covers only ten years or 120k miles. My car has close to 160k miles. According to NHTSA or Audi, “Audi has determined that, in some vehicles, it is possible for the crankcase ventilation valve to malfunction, causing a whistling noise in the engine compartment and the MIL to illuminate due to the presence of specific fault codes caused by this component. This condition may impact the vehicle tailpipe emissions, and the presence of a MIL-on condition may cause the vehicle to fail an IM (smog) test.” This is causing the engine to rev on its own, foul odor, consume more oil and gas, MIL-on, and potentially cause the IM (smog) test to fail regardless of years or miles and a safety issue. Please add this matter to recall rather than extended warranty and is likely related to NHTSA Campaign Number: 22V178000 which is causing oil separator and coolant pipe issues that need to be covered. [XXX] INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11559336December 10, 2023
STEERING, ELECTRICAL SYSTEM
First off let me start by saying the vehicle has 45k miles on it. There were no fault codes or system errors prior to the issue that developed. I was driving to a meeting in heavy rain, no issues or suspicion of issues arising. I parked the car, returned about 2 hours later started the car to find 6 warnings on the dash (tpms fault, acc disabled, steering disabled, air ride control disabled esc disabled and a few more. Notably was the steering, it had a red light and the steering wheel was very hard to turn. The vehicle couldnt be driven. After having the computer scanned the issue was the electronic steering rack. See codes below. This is very unfortunate and strange that it came out of nowhere especially to fail this way. The vehicle is available for inspection until the part is replaced. VIN: [XXX] License Plate: Mileage: 73992km-45976mi Repair Order: Address 44: Steering Assist Labels: 4G0-909-144.clb Control Module Part Number: 4G0 909 144 T HW: 4G0 909 144 Q Component and/or Version: RCevo H55 0202 Software Coding: 101001010001 Work Shop Code: WSC 02391 785 00200 ASAM Dataset: EV_RCEPS 106007 (AU57) ROD: EV_RCEPS_106.rod VCID: 3A381898BDFF7D41CD-806E 4 Faults Found: 6291727 - Internal Control Module Memory Check Sum Error B2000 00 [10001001] - - [Abschaltpfadtest fehlgeschlagen] MIL ON - Confirmed - Tested Since Memory Clear Freeze Frame: Fault Priority: 1 Fault Frequency: 1 Mileage: 73949 km Date: 2023.12.06 Time: 10:07:29 Write only channel 1052420 - Internal Control Module Memory Check Sum Error B2000 49 [10001001] - Internal Electronic Failure [Unplausibler Signalverlauf des Motortemperatursensors] MIL ON - Confirmed - Test INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATIO
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11543563September 9, 2023
STEERING, ELECTRICAL SYSTEM, ENGINE
While driving with my wife and kids, on the highway, in the rain a warning message was displayed. The warning stated: steering malfunction, please stop the vehicle!. At which point the power steering locked-up & the engine powered down. As a result, I was unable to steer the vehicle. Thankfully, I was able to “muscle” the car off the highway and onto a secondary roadway. Vehicle was towed. With the power steering locking-up and not being able to effectively steer the vehicle this is a HUGE safety issue and needs to be addressed with Audi. This could have ended tragically if it were to happen to a driver who was unable to “muscle” the vehicle to safety.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11530266July 4, 2023
POWER TRAIN
All 2013 Audi S have a transmission issues where it cause the transmission to stop shifting or skips gears or clutch slips and Audi has not done anything about them This repair is expensive and millions of people experience this problem and Audi still won’t fix it
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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