2015 Audi A4 engine problems
10 owner complaints filed with NHTSA name the engine on the 2015 Audi A4 — 53% of all complaints for this model year.
What owners report
“Oil consumption is extremely high this vehicle burns way to much oil in short amount of time. Oil has to be added every 300 to 400 miles and there are no leaks present”
filed Jul 15, 2026
“Spark plug for damaged due to oil seeping into it. This could lead to overheating of engine or cylinders getting damaged potentially leading to vehicle malfunction when I drive. Audi inspected the part and recommended to reseal the top of the engine. There was a warning for check engine which led…”
filed Feb 18, 2025
“The vehicle has an oil consumption issue whereby I top off the oil in about every 400 miles. The dealership indicated that this is a known problem with Audi. The issue first started with warnings that engine is overheating and with further warnings that oil level is low”
filed Feb 18, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other A4 years
| Year | Reports | Share |
|---|---|---|
| 2018 A4 | 5 | 11% |
| 2017 A4 | 22 | 40% |
| 2014 A4 | 13 | 41% |
| 2013 A4 | 6 | 25% |
| 2012 A4 | 13 | 68% |
| 2010 A4 | 37 | 58% |
| 2009 A4 | 44 | 37% |
| 2008 A4 | 13 | 7% |
| 2007 A4 | 17 | 9% |
| 2006 A4 | 15 | 5% |
| 2005 A4 | 10 | 5% |
| 2004 A4 | 7 | 4% |
Other reported problem areas on the 2015 Audi A4
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.