2014 Audi A4 engine problems
13 owner complaints filed with NHTSA name the engine on the 2014 Audi A4 — 41% of all complaints for this model year.
What owners report
“I am reporting severe vehicle safety defects and merchant safety non-compliance regarding a 2014 Audi A4. The vehicle was financed with severe, undisclosed engine defects, specifically extreme oil consumption and catastrophic coolant leaks. When I requested warranty repairs, a dealership…”
filed Aug 28, 2026
“The timing chain and tensioner in my 2014 Audi A4 Quattro (VIN: [XXX] ) failed without warning, causing the engine to suddenly stall and become inoperable while in motion. This presented a serious safety hazard. Although my vehicle is slightly outside the settlement mileage and time limit, timing…”
filed Nov 19, 2025
“Hi My name is [XXX] and I have an 2014 Audi A4 that has been consuming to much oil ever since I bought it . I see the vehicles contained defective pistons that caused excessive oil consumption. Can you please help with this ? INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)”
filed Jan 30, 2025
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Related service bulletins
This special notice is to inform dealers to return the parts listed if it meets the criteria provided.
SM 01-2026 · Other · issued Jul 9, 2026
Engine problems in other A4 years
| Year | Reports | Share |
|---|---|---|
| 2018 A4 | 5 | 11% |
| 2017 A4 | 22 | 40% |
| 2015 A4 | 10 | 53% |
| 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 2014 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.