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What 20 owners told NHTSA about the 2014 Audi S6

These are the actual owner complaints behind this car’s reliability verdict, filed with the federal government, unedited. They’re unverified reports, not confirmed defects: read them as leads for your pre-purchase inspection, not a diagnosis.

All (20)Crash / fire / injury (2)Engine (14)Fuel system (3)Suspension (3)Steering (2)Transmission & drivetrain (2)Driver assistance (1)Electrical system (1)Engine & cooling (1)Lights (1)

3 of 20 complaints match · Fuel system · clear filters

Apr 4, 2021Transmission & drivetrainEngineFuel system

MY TURBO CHARGERS BLEW DUE TO OIL STARVATION WHILE DRIVING ABOUT 45MPH IN THE CITY WHILE DRIVING STRAIGHT.

NHTSA ODI 11406291

Sep 10, 2020SuspensionEngineFuel system

SUSPENSION WAS REPLACED AT 40,000 MILES DO TO NORMAL WEAR AND TEAR. THAT WAS AUDI EXCUSE. SUSPENSION WAS REPLACED AGAIN AT 63,000 MILES. ENGINE MOUNTS AND TRANSMISSION MOUNTS WERE REPLACED AT 63,000. NOW AT 75,000 MILES, ENGINE CAMSHAFT HAS FAILED AND ALMOST CAUSED ME TO LOSE CONTROL OF THE CAR. OIL IS CHANGED EVERY 3K MILES AND ALL MAINTENANCE IS UP TO DATE AND ALWAYS DONE ON TIME OR BEFORE REQUIRED. CAR ALWAYS SMELL LIKE GAS. INSPECTION FOUND NO ISSUES. AT THIS POINT, I AM CONCERNED WITH THE SAFETY OF MYSELF AND MY FAMILY BECAUSE THIS CAR IS A DAILY DRIVER. I HAVE CONTACTED AUDI OF USA FOR ASSISTANCE. BUT AUDI IS UNRESPONSIVE. I HAVE ALL SERVICE RECORDS BUT UNABLE TO UPLOAD DUE TO FILE SIZE RESTRICTIONS.

NHTSA ODI 11354290

Jun 24, 2019Transmission & drivetrainEngineFuel system1 injury

TURBO FAILURE - CAR STALLED WHILE SLOWING ON A MAJOR INTERSTATE, CAUSING MULTIPLE NEAR-COLLISIONS. AUDI IS AWARE OF THE ISSUE AND THE DANGERS OF THE FAILURE, BUT HAS NOT ISSUED A RECALL, EVEN THOUGH THEY HAVE ISSUED MULTIPLE TECHNICAL SERVICE BULLETINS REGARDING THE ISSUE AND ADMITTING TO FAULTY PARTS CAUSING THE FAILURE. IT IS ONLY A MATTER OF TIME BEFORE SOMEONE IS INJURED OR WORSE DUE TO LOSING CONTROL OF THE VEHICLES ACCELERATION AND USE OF ENGINE.

NHTSA ODI 11222281

Working with the data? Download all 20 complaints as CSV · fetched from NHTSA July 20, 2026

How to use these: a complaint is one owner’s report, filed voluntarily and published unverified. Patterns matter more than any single story. If several owners describe the same failure at similar mileage, put that system at the top of your pre-purchase inspection list. Back to the full 2014 Audi S6 verdict →