2016 Audi A6 engine problems
17 owner complaints filed with NHTSA name the engine on the 2016 Audi A6 — 33% of all complaints for this model year.
What owners report
“The water pump on my 2016 Audi A6 has failed multiple times prematurely. The first water pump failed at 36,965 miles in May 2019. That repair was covered under an extended warranty I purchased. The second water pump failed around 83,000 miles in September 2025, and Audi is now quoting me $2,350 out…”
filed Sep 10, 2025
“This vehicle had a claim for water pump replacement and the 3.0 model has a recall for the turbo charger. This vehicle is experiencing the same issues and went from 70 mph to 0 and stalled on the freeway. Thankfully the semi and other vehicles were able to avoid me or my family would be reaching…”
filed Mar 25, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km.
TSB_2074640_3 · Service Bulletin/Repair Instructions · issued Jun 26, 2026This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2082323_1 · Service Bulletin/Repair Instructions · issued Jun 10, 2026
Engine problems in other A6 years
| Year | Reports | Share |
|---|---|---|
| 2020 A6 | 1 | 4% |
| 2019 A6 | 31 | 27% |
| 2017 A6 | 4 | 20% |
| 2015 A6 | 6 | 27% |
| 2014 A6 | 5 | 12% |
| 2013 A6 | 15 | 29% |
| 2012 A6 | 13 | 22% |
| 2011 A6 | 2 | 10% |
| 2008 A6 | 2 | 3% |
| 2007 A6 | 2 | 4% |
| 2006 A6 | 4 | 6% |
| 2005 A6 | 4 | 4% |
Other reported problem areas on the 2016 Audi A6
Counts are unique NHTSA complaints naming this component group. Complaints are unverified owner reports; mileage is computed only from complaints that included a usable odometer reading.