Skip to content
EnginePart report

2015 Lexus RX350 Engine Problems

Complaints
9about this part
Share
21%of 42 total for the year
Median mileage
27,500miles
Trend
Not enough dataFewer than 15 complaints, too few for a reliable trend.

NHTSA recorded 9 complaints about the engine of the 2015 Lexus RX350, 21% of the 42 complaints for this model year. Where a mileage was given, the median is 27,500 miles. 2 a fire, according to the filers.

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.

“The push-button (keyless entry) ignition did not kill the motor. My car engine ran from approximately 6 p.m. In an enclosed garage directly below my bedroom. At 4:30 a.m. I was awakened by my carbon monoxide detector. The entire house was filled with toxic fumes. First responders to my 911 call said the detector definitely saved my life. I was a little dizzy and had a headache but was ok after awhile. It took nearly 3 hours for the first responders' co2 monitor to show safe air throughout my house. …”

NHTSA complaint #11302550, filed 2020-01, 44,000 miles

“On feb 9 2016 a rodent had chew the wires inside my engine which the battery/check engine and the all wheel traction light came on. So I drove it to the dealer ship in tacoma fife of wa. So my insurance company told them to replace the whole engine main wiring harness for a total cost of $5372.38. Everything was good to go, then on 9 april 2016 my check engine and awd drive traction light came on. So I took it to the dealer again, but while driving on the highway I heard chimes going off then all of a sudden it loss acceleration power and loss speed quickly. …”

NHTSA complaint #10854863, filed 2016-04, 5,600 miles

“Engine abruptly stops and I have a 3 second stall, then the car resumes normal operation. Could be a real serious accident without warning. This happened in motion on a highway from a stop light or stop sign or pulling out onto traffic.”

NHTSA complaint #11398045, filed 2021-02, 58,000 miles

“Engine fire which destroyed entire car on a clear 70 degree day at 65 MPH,operator is non smoker,on a well maintained 4 lane highway car burst into flames at 12:30pm car exclusively serviced at authorized Lexus dealers and all scheduled maintainance completed”

NHTSA complaint #11100736, filed 2018-06, 27,500 miles

“Gas tank needed to be replaced because gasoline overflowed into the fuel tank canister. Since replacement can intermittenly smell gas but dealership service department cannot smell unexplained excessive engine noise in whicc dealership cannot hear, and cannot maintain an alignment.”

NHTSA complaint #10903901, filed 2016-09, 22,300 miles

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2022110%
2020114%
2019310%
2018317%
2017613%
201659%
2015921%
2013610%
2012412%
2011723%
201089%
20091212%
20081210%
20073622%

Other parts of the 2015 Lexus RX350

Other or unknown
10 complaints
Fuel system
7 complaints
Vehicle speed control
7 complaints
Air bags
5 complaints
Body and structure
4 complaints
Electrical system
3 complaints
Brakes
2 complaints
Seat belts
2 complaints
Transmission and drivetrain
2 complaints
Visibility (wipers, defrost, mirrors)
2 complaints
Electronic stability control
1 complaints
Seats
1 complaints

← All problems reported for the 2015 Lexus RX350

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