2018 Audi Q7 engine problems
37 owner complaints filed with NHTSA name the engine on the 2018 Audi Q7 — 26% of all complaints for this model year.
What owners report
“Start/stop malfunction failed; yes it is available for inspection. Driving down highway vehicle stopped with 2 adult passengers and 2 children. Yes 3 mechanics completed a diagnostic. Vehicle has not been inspected by insurance, manufacturer or police but by VW dealer, and two registered mechanics…”
filed Jul 22, 2026
“My 2018 Audi Q7 3.0T Quattro is experiencing extreme oil consumption — dropping from full to minimum level in approximately 230 miles. This is approximately 14x beyond Audi's own threshold for excessive oil consumption of 0.5 quarts per 1,000 miles. Documented timeline: May 2026 (88,692 miles): Oil…”
filed Jul 1, 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 Q7 years
| Year | Reports | Share |
|---|---|---|
| 2021 Q7 | 16 | 24% |
| 2020 Q7 | 7 | 27% |
| 2019 Q7 | 5 | 8% |
| 2017 Q7 | 59 | 19% |
| 2015 Q7 | 12 | 27% |
| 2014 Q7 | 10 | 22% |
| 2013 Q7 | 11 | 27% |
| 2012 Q7 | 8 | 28% |
| 2011 Q7 | 2 | 9% |
| 2010 Q7 | 5 | 17% |
| 2009 Q7 | 3 | 14% |
| 2008 Q7 | 2 | 6% |
Other reported problem areas on the 2018 Audi Q7
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.