YearToAvoid

2015 Lexus RX350 Engine Problems

NHTSA lists 16 engine complaints for the 2015 Lexus RX350, 38% of all complaints for the year, with a median failure mileage of 18,750. Two of these involved fires and three involved crashes, but no recall is tied to this engine issue.

Engine complaints
16
38% of 42
Crashes reported
3
Fires reported
2
Injuries reported
0
Median mileage
18,750 mi
Related recalls
0

Typical engine symptoms owners report

  • Owners report engine fires starting spontaneously while the vehicle was parked or driven, in some cases destroying the car.
  • Some describe unintended acceleration or the vehicle moving on its own while parking, leading to crashes into objects or other vehicles.
  • Others report engine hesitation when starting from a stop, especially on inclines or at low speed.
  • Several owners noticed a fuel odor inside the cabin along with the engine sometimes hesitating to accelerate or shutting off while idling.
  • One owner reported the engine continuing to run after using the keyless ignition button, filling an attached garage with fumes overnight.
  • A few complaints describe the engine stalling or shutting off unexpectedly while driving or waiting at traffic lights.

When 2015 Lexus RX350 engine complaints were filed

First complaint Sep 8, 2015, latest Mar 31, 2021.

2015 Lexus RX350 engine complaints: complaints filed per month2Sep 2015Apr 2016Jun 2016Jun 2018Aug 2018Mar 2020Feb 2021
16 complaints filed with NHTSA from Sep 2015 to Mar 2021; peak Jun 2018 (2).

Engine recalls for the 2015 Lexus RX350

No safety recalls on record for this model year.

Engine complaints by RX350 model year

Raw complaint counts per model year; newer years have had less time to accumulate complaints.

  1. 201049 (52%)
  2. 201116 (53%)
  3. 201214 (42%)
  4. 201315 (25%)
  5. 20140 (0%)
  6. 201516 (38%)
  7. 201610 (17%)
  8. 201712 (26%)
  9. 20185 (28%)
  10. 20196 (19%)
  11. 20201 (14%)
  12. 20210 (0%)
  13. 20221 (10%)
  14. 20230 (0%)

Frequently asked questions

How many engine complaints does the 2015 Lexus RX350 have?
NHTSA lists 16 engine-related complaints for the 2015 RX350, which is 38% of the 42 total complaints filed for that model year.
Is there a recall for the 2015 Lexus RX350 engine?
No related recall is listed in NHTSA data for this engine problem area on the 2015 RX350.
At what mileage do engine problems typically appear on the 2015 RX350?
The median mileage at failure for engine complaints on the 2015 RX350 is 18,750 miles.
Did any 2015 RX350 engine complaints involve fires or crashes?
Yes, NHTSA data shows 2 fires and 3 crashes among the complaints logged for this model year, some tied to the engine problem area.

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.