2018 Lexus NX Engine Problems
- Complaints
- 4about this part
- Share
- 25%of 16 total for the year
- Median mileage
- 232,000miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 4 complaints about the engine of the 2018 Lexus NX, 25% of the 16 complaints for this model year. Where a mileage was given, the median is 232,000 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“My cars engine has stopped three times on the highway in a six month span - almost causing accidents. My car has been seen twice by Lexus dealerships and there has yet to be an exact cause of this malfunction and no effort made by Lexus to remedy the situation.”
NHTSA complaint #11498672, filed 2022-12“My lexus 300NX2018, received a dashboard random warning signal; take vehicle to get service while i was driving. Had my vehicle towed to Lexus of Cherry Hill, point of care for my vehicle services. Explained via text messaging with the Lexus Advisor (Jamie)the issue of vehicle (1) the sudden dashboard signal to get to service dealer soon, movement of my vehicle pressing gas oppose a serious safety risk to me where i had to stop several time for safety, vehicle stalled, idle hesitating , forcing me to pull over for safety. …”
NHTSA complaint #11621595, filed 2024-10“The contact owns a 2018 Lexus NX300. The contact stated while driving at approximately 70 MPH, the message Check Oil and the Master Warning Light was flashing on the instrument cluster. The contact stated that the vehicle stalled. The contact was able to restart the vehicle; however, the vehicle stalled several times and failed to exceed 40 MPH while driving to the dealer. The contact stated that the dealer diagnosed the vehicle and determined that the fuel pump needed to be replaced. The vehicle was not repaired. …”
NHTSA complaint #11701875, filed 2025-11, 232,000 miles“HVAC Evaporator Drain Hose keeps getting clogged resulting in the overflow of water into the cabin driver side floor. When using the AC or Defroster this could be a quart of water or more which can result in mold/mildew on carpet and pad. Lexus wants $6000 to repair and replace (they will not repair with out replacing all of the carpet and pad). This is a known issue and Lexus have even issued a fix AT THE CONSUMER EXPENSE. …”
NHTSA complaint #11437202, filed 2021-10Related service bulletins
- 11007436Jul 2, 2024Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model…
- 11006142Jul 2, 2024Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model…
- 11003637Apr 17, 2024Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model…
- 11003582Apr 17, 2024Some 2015 – 2017 model year NX 200t, 2016 – 2017 model year GS 200t, IS 200t, and RC 200t, 2018 – 2019 model year GS 300, and 2018 – 2021 model year NX 300, and 2018 – 2024 model…
Engine: other model years
Other parts of the 2018 Lexus NX
8 complaintsBrakes
2 complaintsOther or unknown
2 complaintsSteering
2 complaintsElectrical system
1 complaintsForward collision avoidance
1 complaintsBody and structure
1 complaintsVehicle speed control
1 complaintsVisibility (wipers, defrost, mirrors)
1 complaints
← All problems reported for the 2018 Lexus NX
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology