YearToAvoid

2015 Lexus CT Problems, Recalls & Reliability

Verdict

Good

Complaint Index

40/100

#4 most-complained of 6 CT years

The 2015 Lexus CT has 16 NHTSA complaints and a Complaint Index of 40, ranking 4th worst of 6 model years with data. It carries a "Good" verdict relative to other CT years, with no recalls on file.

Complaints
16
Recalls
0
Crashes / fires
2 / 0
Injuries / deaths
4 / 0
NHTSA overall rating
Not rated
EPA combined MPG
42
43 city / 40 hwy

Top 2015 Lexus CT problems

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

  1. Brakes9 (56%)
  2. Electrical System4 (25%)
  3. Other4 (25%)
  4. Airbags2 (13%)
  5. Engine1 (6%)
  6. Collision Avoidance & Cameras1 (6%)
  7. Fuel System1 (6%)
  8. Steering1 (6%)
  9. Transmission & Powertrain1 (6%)

What owners report

  • Owners describe a honking or grunting noise from the brake system when firm pedal pressure is applied, often near a complete stop.
  • Some report ABS, brake, and traction control warning lights illuminating together with a C1391 code pointing to an accumulator leak in the ABS module, similar to a Toyota ABS module.
  • One owner reported the brake master cylinder/accumulator failing, causing a drastic drop in brake pedal response while the vehicle was moving.
  • A steering wheel reportedly began wiggling and then jerked violently left and right during a freeway accident, leading to a total loss collision.
  • One driver reported the car decelerating on the freeway and being unable to exceed 40 MPH while the check engine, hybrid system, and warning lights appeared.
2015 Lexus CT complaints: complaints filed per month3Oct 2017Jul 2020May 2021Jan 2024Apr 2024Apr 2025Aug 2026
24 complaints filed with NHTSA from Oct 2017 to Aug 2026; peak Dec 2020 (3).

2015 Lexus CT recalls

No safety recalls on record for this model year.

2015 Lexus CT fuel economy and fuel cost

City
43 MPG
Highway
40 MPG
Combined
42 MPG
Annual fuel cost (EPA)
$1,550
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 CT years

Complaint Index by model year (0 = fewest issues, 100 = most)0255075100201120122013201420152016
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2013Avoid8043042
2014Best019042
2015Good4016042
2016No verdict1003042

All Lexus CT years: best and worst →

Frequently asked questions

Is the 2015 Lexus CT reliable?
NHTSA lists 16 complaints for the 2015 Lexus CT and no recalls, giving it a Complaint Index of 40. Relative to other CT model years, it carries a "Good" verdict, ranking 4th worst out of 6 years with data.
What is the biggest problem area for the 2015 Lexus CT?
Brakes account for 56% of complaints (9 of 16), with a median mileage at failure of 33,000 miles. Owners describe noises when braking and, in some cases, ABS/brake warning lights tied to accumulator issues.
Does the 2015 Lexus CT have any recalls?
No. NHTSA lists 0 recalls for the 2015 Lexus CT.
How does the 2015 Lexus CT compare to other CT model years?
The 2015 CT has a Complaint Index of 40, better than the 2013 CT (80, Avoid) and 2012 CT (60, Caution), but higher than the 2011 CT (20, Best) and 2014 CT (0, Best).
What is the fuel economy of the 2015 Lexus CT?
The 2015 Lexus CT is EPA-rated at 42 mpg combined (43 city / 40 highway), with an estimated annual fuel cost of $1,550.

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.