YearToAvoid

2015 Lexus IS Problems, Recalls & Reliability

Verdict

Good

Complaint Index

47/100

#9 most-complained of 16 IS years

The 2015 Lexus IS has 9 owner complaints and 0 safety recalls on file with NHTSA. Its Complaint Index is 47 out of 100 — #9 highest of 16 IS model years (verdict: Good). The most reported problem area is electrical system (3 complaints, 33% of the total).

Complaints
9
Recalls
0
Crashes / fires
0 / 0
Injuries / deaths
0 / 0
NHTSA overall rating
Not rated
EPA combined MPG
22
19 city / 27 hwy

Top 2015 Lexus IS problems

NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.

  1. Electrical System3 (33%)
  2. Steering2 (22%)
  3. Suspension, Wheels & Tires2 (22%)
  4. Brakes1 (11%)
  5. Engine1 (11%)
  6. Fuel System1 (11%)
  7. HVAC1 (11%)
  8. Other1 (11%)
  9. Structure & Body1 (11%)
2015 Lexus IS complaints: complaints filed per month4Apr 2023Jul 2023Sep 2023Oct 2023May 2025Jul 2025Nov 2025
13 complaints filed with NHTSA from Apr 2023 to Nov 2025; peak Sep 2023 (4).

2015 Lexus IS recalls

No safety recalls on record for this model year.

2015 Lexus IS fuel economy and fuel cost

City
19 MPG
Highway
27 MPG
Combined
22 MPG
Annual fuel cost (EPA)
$3,650
15,000 mi/yr
Fuel
Premium
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 IS years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100’10’11’12’13’14’15’16’17’18’19’20’21’22’23’24’25
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2013Avoid809022
2014Caution7312021.5
2015Good479022
2016No verdict02021.5
2017Caution5310021.5

All Lexus IS years: best and worst →

Frequently asked questions

Is the 2015 Lexus IS a reliable year?
Judged by NHTSA owner complaints and recalls, the 2015 Lexus IS ranks #9 of 16 among IS model years (Complaint Index 47/100, verdict: Good). It has 9 complaints and 0 recalls on file. This reflects reported safety-related problems, not an overall reliability rating.
What are the most common problems with the 2015 Lexus IS?
The most reported problem areas are electrical system (3 complaints), steering (2 complaints), and suspension, wheels & tires (2 complaints). The median mileage at the time of failure in complaints that report it is 88,000 miles.
Does the 2015 Lexus IS have any recalls?
No safety recall campaigns list the 2015 Lexus IS in NHTSA’s recall database at the time of the last data update.
What is the fuel economy of the 2015 Lexus IS?
EPA rates the 2015 Lexus IS at 22 MPG combined (19 city / 27 highway), with an estimated annual fuel cost of $3,650. Where several configurations exist, the median is shown.

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.