YearToAvoid

2015 Lexus RX350 Reliability Data: Problems & Recalls

Caution The 2015 Lexus RX350 has a complaint index of 50 and ranks 10th worst out of 19 model years, earning a Caution verdict. Engine problems dominate complaints at 38% of the total, with one recall for a fuel delivery pipe leak.

Based on NHTSA complaints per model-year, not a reliability rating. Methodology

YearToAvoid Scorecard

Complaint Index
50/100
#10 of 19 RX350 years
Verdict
Caution
vs. other years of this model
Complaints
42
unique NHTSA reports
Recalls
1
distinct NHTSA campaigns
Crashes
7
reported in complaints
Fires
2
Injuries
5
Top issue
Engine
Best nearby year
2020
rated Best
NHTSA overall rating
5 / 5 ★
EPA combined MPG
21
18 city / 25 hwy
Injuries / deaths
5 / 0

Top 2015 Lexus RX350 problems

Share of this year’s NHTSA complaints by component group. Groups with 15+ complaints have their own page.

  1. Engine16 (38%)
  2. Other10 (24%)
  3. Fuel System7 (17%)
  4. Airbags5 (12%)
  5. Structure & Body5 (12%)
  6. Brakes3 (7%)
  7. Electrical System3 (7%)
  8. Seat Belts2 (5%)
  9. Suspension, Wheels & Tires2 (5%)
  10. Transmission & Powertrain2 (5%)

A complaint can list more than one component, so shares add up to more than 100%. Shares are % of complaints.

What owners report

  • Some engines have caught fire spontaneously while parked or while driving on the highway, in a few cases destroying the vehicle.
  • Airbags have repeatedly failed to deploy in rear-end and front-end crashes, including one crash where occupants suffered injuries.
  • Owners describe sudden unintended acceleration or the vehicle moving on its own while parking or stopped, in some cases resulting in a crash.
  • The transmission has been reported to upshift and downshift at odd times, creating a lag in power delivery when trying to accelerate.
  • A passenger door has unlocked and opened slightly on its own while driving, triggering a dashboard warning.
  • A tire blew out with very low mileage on the vehicle with no apparent cause.
2015 Lexus RX350 complaints: complaints filed per month3Jan 2015Feb 2016Jun 2016Oct 2017Jul 2018Jan 2019Jan 2020Feb 2021
42 complaints filed with NHTSA from Jan 2015 to Mar 2021; peak Jun 2018 (3).

2015 Lexus RX350 recalls

1 NHTSA recall campaign list this model year.

  1. NHTSA 14V576000Sep 19, 2014Fuel System15,872 vehicles

    Fuel system, gasoline:delivery:hoses, lines/piping, and fittings

    Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2014 Toyota Avalon, Camry, Sienna, and Highlander and model year 2015 Lexus RX350 vehicles. Fuel may leak from the one of the fuel delivery pipes in the engine compartment.

    Risk: A fuel leak in the presence of an ignition source increases the risk of a fire.

    Remedy: Toyota will notify owners, and dealers will replace any of the suspect fuel delivery pipes free of charge. The recall began November 17, 2014. Owners may contact Toyota customer service at 1-800-331-4331.

2015 Lexus RX350 fuel economy and fuel cost

City
18 MPG
Highway
25 MPG
Combined
21 MPG
Annual fuel cost (EPA)
$3,100
15,000 mi/yr
Fuel
Regular
Current regular gas
$4.32/gal
national avg.

EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.

2015 compared with other RX350 years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’05’06’07’08’09’10’11’12’13’14’15’16’17’18’19’20’21’22’23
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2013Avoid7859121
2014Good2815021
2015Caution5042121
2016Caution6758322.5
2017Caution5646322.5

All Lexus RX350 years: best and worst →

Frequently asked questions

Is the 2015 Lexus RX350 reliable?
NHTSA data gives the 2015 RX350 a complaint index of 50, ranking it 10th worst among 19 model years and earning a Caution verdict. Engine issues, including fires, are the largest reported problem area.
What is the biggest problem with the 2015 Lexus RX350?
Engine complaints are the top problem area, making up 38% of all complaints (16 of 42), including two reported fires with a median failure mileage of 18,750.
Does the 2015 Lexus RX350 have any recalls?
NHTSA lists one recall for the 2015 RX350, campaign 14V576000, covering a fuel delivery pipe that could leak fuel. It is not a do-not-drive recall.
How does the 2015 RX350 compare to other RX350 years?
The 2015 model's complaint index of 50 is better than Avoid years like 2007 through 2010 and 2013, but worse than Good and Best years such as 2014, 2018, 2019, 2020, and 2022.
Did airbags fail to deploy in the 2015 Lexus RX350?
Yes, NHTSA complaints include multiple reports of airbags not deploying during crashes, including front and rear-end collisions, with five of the 42 complaints tied to the Airbags component.

Sources: NHTSA Office of Defects Investigation complaint and recall databases; U.S. EPA fuel economy data; NHTSA 5-Star Safety Ratings. Complaints are unverified owner reports.

Data updated Sep 24, 2026. Read the methodology and data sources. The Complaint Index is based on NHTSA owner complaints and recalls; it is not a reliability rating.