THERE HAVE BEEN NUMEROUS RECALLS FOR MY 2013 AUDI S6 PERTAINING TO THE TURBOCHARGED ENGINE. MOST RECENTLY, OVER THE LAST 2 WEEKS I NOTICED DECREASING GAS MILEAGE AND INCREASING TURBO LAG BUT THE CAR STILL RAN "NORMALLY" OVERALL. THEN, 1 DAY AGO IT MADE INTERMITTENT METALLIC SOUNDS AT STARTUP BUT THEN STILL RAN NORMALLY. THEN, THE NEXT DAY THE CAR HAD THE SAME STARTUP SOUNDS BUT THEN HAD A ROUGH…
2013 audi S6 engine problems
moderate 28 complaints filed with NHTSA · avg repair $3,100
What owners are reporting 13 most recent
Vehicle has had all recommended maintenance performed on schedule at the Audi dealer. Driving down a highway at about 73k miles, engine stopped running with no warning. Electronic systems appeared as though engine was running, but it was dead. We were extremely fortunate that this happened on a rural highway and not the big city freeway system we had recently driven through. Cause of the problem w…
Turbocharged failed while driving in afternoon traffic, leaving car stranded at heavy traffic stoplight until tow could be arranged. Failure occurred while idling at the stop light. Failed turbochargers are available for inspection. Failure was initially diagnosed / confirmed by dealership (Audi Chantilly) but due to extreme cost of repair quoted by dealer, car was transported to an independe…
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
While driving in city traffic, the car went into limp mode with some new lights on the dashboard. Before I could get to a safe place, it completely died and almost caused an accident. I was stuck until I had help pushing the car off the road. Upon reading the OBDII computer codes and then confirming with a professional mechanic, both turbos had blown. There was little warning, and no time to h…
MY TURBOCHARGERS FAILED, WHICH I UNDERSTAND IS NOT UNCOMMON WITH THIS ENGINE. IT WAS DRIVING NORMALLY. I STOPPED FOR AN ERRAND AND IT RESTARTED WITH GREAT DIFFICULTY. I THEN DROVE SOME ADDITIONAL DISTANCE AND IT STALLED IN TRAFFIC. IT STALLED REPEATEDLY WHENEVER THE RPM'S FELL BELOW 2000. I ENDED UP RUNNING A RED LIGHT, TO AVOID SLOWING DOWN, KNOWING IT WOULD STALL. FORTUNATELY, I WAS IN AN UNCROW…
Both turbos on my 2013 Audi S6 spontaneously blew after a month of ownership at 105,000 miles
VEHICLE WAS IN MOTION WHEN IT STARTED SHAKING ROUGHLY. THE CAR STALLED AND WOULDN'T TURN BACK ON. I HAD IT TOWED HOME AND WAS ABLE TO DIAGNOSE SEIZED TURBO COMPRESSORS. REPLACED THE TURBOS WHICH FIXED THE PROBLEM BUT AT AN ENORMOUS COST.
The contact owns a 2013 Audi S6. The contact stated upon test driving the vehicle after an oil change, the independent mechanic diagnosed that the oil strainer was clogged and the turbine wheel was desegregated. The oil strainer and gasket, the PCV head gasket, and two turbochargers were replaced. Additionally, three consecutive oil changes were completed in order to flush the metal fragments from…
THE TURBOS ON THE CAR BOTH BROKE AT THE INTERMEDIATE SHAFT BEFORE 75,000 MILES. THE CAR WAS CRUISING ON THE FREEWAY, AND THE MOMENT I SLOWED DOWN TO TAKE THE EXIT, THE CAR LOST POWER AND SHUT DOWN. I HAD TO MAKE AN EMERGENCY STOP ON THE SIDE OF THE EXIT WITH LITTLE TO NO ROOM TO PULL OVER.
Common questions
How serious is the engine problem on the 2013 audi S6?
It's a documented issue but not catastrophic. 28 complaints have been filed. Repairs average $3,100 and most owners catch it before it causes a breakdown.
At what mileage does the engine typically fail?
Mileage data is limited for this issue. Owners report failures across a wide range, suggesting cause is more about driving conditions and maintenance than mileage alone.
What does it cost to fix?
Independent shops typically charge around $3,100 for engine repairs on this vehicle. Dealer pricing tends to run 20-40% higher. The exact figure depends on the specific failure mode, parts availability, and your local labor rates. If you're outside factory warranty, an extended service contract often covers this category.
Are there any recalls related to engine?
No active recalls currently cover engine issues on this vehicle. The complaints filed represent owner-reported failures that haven't risen to the level of a manufacturer-issued recall — but they're still worth knowing about before you buy or budget for repairs.