Audi S6 Complaints

6 consumer complaints on file.

#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
#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
#11480250August 19, 2022
ELECTRICAL SYSTEM
UNKNOWN, THE VEHICLE DID NOT START.. I WOULD LIKE IT RESENT AND FIX
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11480186August 19, 2022
STRUCTURE:BODY
unkown. the start of engine not cut on.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0
#11480180August 19, 2022
ENGINE, ELECTRICAL SYSTEM
The contact owns a 2022 Audi S6. The contact stated that the vehicle failed to start-up after multiple attempts. The “Depress Brake Pedal and Press START button” messages appeared on the instrument panel even though the contact was following the instructions. The contact called an independent mechanic where the vehicle was purchased and was referred to the NHTSA for assistance. Neither the dealer nor the manufacturer had been notified of the failure. The vehicle was not repaired. The failure mileage was unknown.
Crash:
No
Fire:
No
Injuries:
0
Deaths:
0

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