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Lexus NXModel year report

2018 Lexus NX Problems

Complaints
16filed with NHTSA
Median mileage
136,000miles, 2 complaints with mileage
Recalls
0campaigns on record
Trend
RisingComplaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.
NHTSA crash rating
—no overall rating published
EPA fuel economy
31 mpgcombined, 2.5L 4-cyl · hybrid AWD · 33 city / 30 hwy

Sources: NHTSA records for the 2018 Lexus NX (complaints, recalls, investigations), EPA fuel economy. Report an error

NHTSA recorded 16 consumer complaints for the 2018 Lexus NX. The part named most often is fuel system, with 8 complaints (50% of the total), followed by engine (4) and brakes (2). 2 of the complaints include a mileage, and 50% of those were filed for vehicles with under 50,000 miles; the median is 136,000 miles. Of all complaints, 1 involved a crash, 1 an injury, according to the filers. NHTSA lists 0 recall campaigns and 37 technical service bulletins for this model year. Engine complaints overlap with 4 technical service bulletins filed under the same part.

This model year has fewer than 25 complaints on record, so the numbers below can change a lot with a few new reports.

Which parts are reported most

Complaints can name more than one part, so the counts add up to more than the total. Select a part to see its complaints, recalls and bulletins.

Example complaints

Fuel system: “The car has shut down. There was a recall for code p125d which was recalled for my vehicle. I have had the car for less than a year. I don't know if the recall was performed on my vehicle but it is having the recall issue.”

NHTSA complaint #11722726, filed 2026-03

Engine: “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

Brakes: “After 45 minutes in stop-and-go traffic the brake pedal went to the floor four times, the Brake Override System (BOS) failed, throwing the shifter into Park failed, and we hit the car in front of us. No warning sounds typical for this car sounded and no lights appeared on the dash. Thankfully, we were only moving at 5 mph which I didn't think qualified as a crash but there was indeed a collision. No one was hurt. Besides my wife and myself there were two backseat passengers who also saw my efforts to stop the car. We had the car towed to Lexus of Santa Monica. …”

NHTSA complaint #11514299, filed 2023-03

Other or unknown: “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

Mileage when problems were reported

50% of the 2 complaints with a mileage were filed for vehicles with under 50,000 miles; the middle half falls between 40,000 and 232,000 miles.

0%0–100%10–2550%25–500%50–750%75–1000%100–15050%150+
Share of complaints by mileage when the problem was reported, in thousands of miles (2 complaints with mileage). Red bars: under 50,000 miles. Bucket widths differ. Median: 136,000 miles.

Complaints by year filed

Trend: rising. Complaints filed in the last 3 full calendar years are at least 25% higher than in the 3 years before.

2021202220232024202552026
Complaints by year the complaint was filed with NHTSA. Red bars: the last 3 full calendar years used for the trend. The current year (2026) is partial.

Fuel economy and running cost

EPA ratings for each 2018 Lexus NX version. Annual fuel cost is the EPA's estimate at its current fuel prices for 15,000 miles a year (55% city driving).

VersionEngineTransmissionCityHwyComb.Fuel / yr
NX 300h AWD2.5L 4-cyl · hybridCVT333031$2,150

Source: U.S. EPA and Department of Energy, fueleconomy.gov. Ratings are for comparing vehicles; real-world mileage varies with driving and conditions.

Recalls and investigations

NHTSA lists no recall campaigns for the 2018 Lexus NX in the data used here. A recall can apply to some vehicles of a model year and not others, so check a specific vehicle by VIN at nhtsa.gov/recalls.

Technical service bulletins

TSBs are manufacturer notes to dealers about known repair procedures. They are not recalls and do not by themselves mean a vehicle has a fault. 37 on record; the latest 10 are shown.

See all 37 bulletins →

Other model years of the Lexus NX

YearComplaintsMedian miRecallsCrash ★MPGScore (50 = typical)Trend
202668500—24—Too new
2025186,3555—28—Too new
20244519,5005—39Too new to compareToo new
20231712,5004—39—Too new
20222747,7483——76 · MoreRising
20211738,8590525—Rising
20202255,5820—31—Rising
20193010,3501—3150 · TypicalFalling
201816136,0000—31—Rising
20171147,9700—31—Not enough data
20161884,0001—32—Stable
20152651,0001—320 · FewerStable

All Lexus NX model years · Best and worst years by complaints

Frequently asked questions

How many NHTSA complaints does the 2018 Lexus NX have?

NHTSA recorded 16 consumer complaints for the 2018 Lexus NX as of Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

What part of the 2018 Lexus NX is reported most often?

Fuel system is named most often, in 8 complaints (50% of the total), followed by engine with 4.

Has the 2018 Lexus NX been recalled?

NHTSA lists no recall campaigns for this model year in the data used here. To check a specific vehicle, enter its VIN at nhtsa.gov/recalls.

What gas mileage does the 2018 Lexus NX get?

The EPA rates the 2018 Lexus NX (NX 300h AWD, 2.5L 4-cyl · hybrid) at 31 mpg combined, 33 city and 30 highway, with an estimated annual fuel cost of $2,150 at 15,000 miles a year. Other engine and drive versions are rated differently.

At what mileage are problems with the 2018 Lexus NX reported?

Among the 2 complaints that include a mileage, the median is 136,000 miles and the middle half falls between 40,000 and 232,000 miles; 50% were filed for vehicles with under 50,000 miles.

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. Fuel economy is from the EPA and DOE (fueleconomy.gov).

Complaint counts come from NHTSA’s public complaint database; we count each complaint once. The source records for this vehicle are on nhtsa.gov. Scores and trends are our own summaries of that data, described in the methodology. This page is not legal, safety or repair advice: for a specific vehicle, check its VIN at nhtsa.gov/recalls and ask a qualified mechanic. See an error? Tell us.