2018 Infiniti QX60 engine problems
10 owner complaints filed with NHTSA name the engine on the 2018 Infiniti QX60 — 26% of all complaints for this model year.
What owners report
“Subject of Complaint: Severe odometer fraud, mileage tampering, and title misrepresentation by the selling dealership: Phenix Motors, LLC ([XXX]), operated by [XXX]. The Discrepancy: The vehicle was sold to me with a falsely represented odometer reading. Subsequent electronic diagnostics and…”
filed Jul 23, 2026
“The contact owns a 2018 Infiniti QX60. The contact stated that while driving approximately 50 MPH, the vehicle lost motive power, and the vehicle decelerated to 20 MPH. The contact stated that there was a knocking sound coming from the engine with the Check Engine warning light illuminated. The…”
filed Jun 15, 2026
Verbatim excerpts from complaints filed with NHTSA. Reports are not independently verified.
Engine problems in other QX60 years
| Year | Reports | Share |
|---|---|---|
| 2023 QX60 | 5 | 19% |
| 2022 QX60 | 3 | 14% |
| 2020 QX60 | 3 | 13% |
| 2019 QX60 | 9 | 24% |
| 2017 QX60 | 20 | 30% |
| 2016 QX60 | 1 | 3% |
| 2015 QX60 | 16 | 17% |
| 2014 QX60 | 28 | 14% |
Other reported problem areas on the 2018 Infiniti QX60
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.