This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
full bulletin at NHTSA ↗2017 Audi A6 engine problems
moderate 3 complaints filed with NHTSA · avg repair $3,100 · see engine across all vehicles →
Complaints
3
Recalls
0
Avg fix
$3,100
When does it fail?
Of the 3 engine complaints filed for the 2017 Audi A6, here's the actual mileage breakdown — failures cluster heaviest at 0-25,000 mi.
0-25k
25-50k
50-75k
75-100k
100-125k
125-150k
150k+
Each bar shows the share of total complaints filed at that mileage range. Peak failure window highlighted. Some owners report problems earlier; some make it well past 150,000 miles symptom-free. Maintenance habits and driving conditions shift the curve as much as mileage alone.
Is there a fix? Manufacturer service bulletins
The manufacturer has issued service bulletins covering engine on this vehicle — documented repair instructions, service campaigns, or warranty extensions sent to dealers. A TSB isn't a recall (it's not a free safety remedy), but it's the manufacturer acknowledging the issue and how to fix it.
This bulletin provides informaiton when the engine is not running smoothly, misfiring.
full bulletin at NHTSA ↗This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM.
full bulletin at NHTSA ↗This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures.
full bulletin at NHTSA ↗This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded.
full bulletin at NHTSA ↗Source: NHTSA manufacturer communications. Bring the bulletin number to your dealer or shop.
What owners are reporting 3 most recent
Engine mounts failed. They are fluid damped and the seals failed and leaked and now the motor is sitting loose in a metal on metal condition with the mounts collapsed. Additionally the manifold and timing chain cover leaks. Additionally the water pump failed. This is all on a car with <75k miles. Problems have been noted by mechanics including Audi dealership. No warning lamps except during…
Car overheat. Engine light on. pulled over and then drove directly to local dealer 10min away who noted engine temp control actuator faulty- stuck. Needed to replace thermostat. Dealer noted problem was noted in earlier year Audi A6 models as well but thought 2017 year did not have similar. Could not leave/drive away from dealership since they noted too dangerous with faulty…
Purchased a new 2017 Audi a6. Car only has 1,200 miles. Driving car on freeway with my son and engine completely stopped no power. Thank god we are ok. Had no warning at all. Car just lost power. I have read about other models recalled for Audi due to fuel pump. Dealer is stating the issue on our car is also fuel pump. Worried this will happen again and/or someone else could be seriously injured…
Had engine trouble with your 2017 Audi A6?
File a complaint with NHTSA → It's free, official, and how every report above got here — owner filings are the federal safety record this page is built on.
Common questions
How serious is the engine problem on the 2017 Audi A6?
It's a documented issue but not catastrophic. 3 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?
Based on the 3 complaints filed, engine issues most often appear around 1,200 miles. Some report problems earlier; some make it well past 150,000 with no symptoms. Maintenance habits matter — vehicles that received timely fluid services and were not regularly overworked tend to last longer.
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.
Related
Complaint and recall data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database. Verify the raw federal record at
nhtsa.gov/vehicle/2017/Audi/A6.
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. Some links on this page are affiliate links.