2018 Audi Q5 engine problems
30 owner complaints filed with NHTSA name the engine on the 2018 Audi Q5 — 15% of all complaints for this model year.
What owners report
“My 2018 Audi Q5 experienced significant water intrusion due to a failure of the panoramic sunroof drain system. Water entered the vehicle interior and traveled down into the electrical compartment, submerging the comfort module and damaging multiple wiring harnesses. This caused the vehicle to…”
filed Jul 17, 2026
“I was driving home from the farmers market with my two young kids. I was turning left at a busy intersection when the engine died and an engine warning flashed on the dash (I don't recall the exact message; it sounded catastrophic). There were no "check engine" or any other warning messages prior…”
filed Apr 27, 2026
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, 2026
Engine problems in other Q5 years
| Year | Reports | Share |
|---|---|---|
| 2025 Q5 | 5 | 13% |
| 2024 Q5 | 1 | 5% |
| 2023 Q5 | 7 | 17% |
| 2022 Q5 | 4 | 19% |
| 2021 Q5 | 17 | 25% |
| 2020 Q5 | 4 | 18% |
| 2019 Q5 | 8 | 16% |
| 2017 Q5 | 19 | 45% |
| 2016 Q5 | 26 | 34% |
| 2015 Q5 | 37 | 38% |
| 2014 Q5 | 36 | 34% |
| 2013 Q5 | 33 | 37% |
Other reported problem areas on the 2018 Audi Q5
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.