OEM TURBOS FAIL ON AUDI 2013-2017 S6/S7/S8/RS6/RS7 DUE TO OIL STARVATION CAUSED BY CLOGGED OEM OIL STRAINER. THIS IS A SAFETY ISSUE AS THE FAILURE HAPPENS WITHOUT WARNING AND AS IT GENERALLY HAPPENS WHILE WHILE DRIVING THE SUDDEN LOSS OF POWER COULD LEAD TO A SERIOUS ACCIDENT. THIS ISSUE APPEARS TO BE WIDE-SPREAD BASED ON DISCUSSIONS AVAILABLE ON ONLINE FORUMS. AUDI IS AWARE OF THESE FAILURES AND…
2017 audi S6 engine problems
moderate 4 complaints filed with NHTSA · avg repair $3,100
Complaints
4
Recalls
0
Crashes
0
Avg fix
$3,100
What owners are reporting 4 most recent
TURBO POWER FEELS TO HAVE GRADUALLY DECLINED UPON APPROACHING 50K MILES. IT IS CAUSED BY CLOGGED TURBO OIL SCREENS. $3000+ REPAIR WITH NO HELP FROM AUDI BRAND AND DEALER FOR A WIDELY KNOWN ISSUE. ADDITIONALLY THE O2 SENSORS HAVE RANDOMLY THROW ERROR FOR RUNNING LEAN. REPLACED O2 SENSOR BUT ISSUE CAME BACK. HAVE ALREADY TESTED MAF SENSOR AND VETTED FOR VACUUM, EXHAUST LEAKS. ALSO A KNOWN ISSUE WIT…
AUDI S6 4.0 TT, THE CAR I OWN ARE NOTORIOUS IN OIL SCREEN PROBLEMS. THEY STARVE THE TURBOS WITH NO OIL AND CAUSE FAILURE TO THEM. I AM ONE OF THE PERSON THAT HAS TO DEAL WITH THE ISSUE.
I'm NOT sure if this would have developed to an safety issue, I'll let your team decide. At my scheduled 50,000 mile dealer service (50,219 miles) I was informed that both motor mounts had failed and needed replacement. The service rep said that THEY found a fault code for one mount and a visual inspection confirmed that the other mount had also failed. Both mounts had sensors but I DID NOT rec…
Common questions
How serious is the engine problem on the 2017 audi S6?
It's a documented issue but not catastrophic. 4 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.
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Severity ratings are derived from reported crashes, fires, injuries, and fatalities.
Repair cost estimates are independent-shop national averages and may differ in your area.
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