YearToAvoid

2015 Kia Cadenza Problems, Recalls & Reliability

Verdict

Avoid

Complaint Index

83/100

#2 most-complained of 7 Cadenza years

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

The 2015 Kia Cadenza ranks 2nd worst of 7 model years with a Complaint Index of 83 and 48 complaints, earning an Avoid verdict. Electrical System problems dominate, including two reported fires, plus 2 recalls covering brakes and windshield bonding.

Complaints
48
Recalls
2
Crashes / fires
1 / 2
Injuries / deaths
3 / 0
NHTSA overall rating
Not rated
EPA combined MPG
22
19 city / 28 hwy

Top 2015 Kia Cadenza problems

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

  1. Electrical System14 (29%)
  2. Engine13 (27%)
  3. Other9 (19%)
  4. Visibility & Wipers7 (15%)
  5. Brakes5 (10%)
  6. Structure & Body4 (8%)
  7. Steering3 (6%)
  8. Suspension, Wheels & Tires2 (4%)
  9. Airbags1 (2%)
  10. Collision Avoidance & Cameras1 (2%)

What owners report

  • Owners report smoke, burning odor, or fire coming from air vents or the kickplate area, in one case near 13,000 miles.
  • Headlights have flickered and then shut off completely while driving, forcing use of hazard lights to get home, with one case near 78,000 miles.
  • Some drivers report the engine seizing suddenly at low speed, such as 30 mph, then restarting on its own after a short wait, at around 39,000 miles.
  • A strong gasoline odor has filled the cabin during idling and shortly after driving away, even with no other malfunction indication.
  • Water has been found collecting in the trunk after inclement weather, sometimes recurring even after dealer repair attempts.
  • A sunroof-related popping noise and sudden wind noise while driving has been reported, near 37,105 miles.
2015 Kia Cadenza complaints: complaints filed per month8Dec 2014Feb 2018Jun 2019Sep 2021Jun 2022Jun 2023Feb 2024Oct 2024
60 complaints filed with NHTSA from Dec 2014 to Mar 2026; peak Dec 2023 (8).

2015 Kia Cadenza recalls

2 NHTSA recall campaigns list this model year.

  1. NHTSA 23V652000Sep 25, 2023Brakes1,730,192 vehiclesPark Outside

    Service brakes, hydraulic:antilock/traction control/electronic limited slip:control unit/module

    Kia America, Inc. (Kia) is recalling certain 2010-2019 Borrego, 2014-2016 Cadenza, 2010-2013 Forte, Forte Koup, Sportage, 2015-2018 K900, 2011-2015 Optima, 2011-2013 Optima Hybrid, Soul, 2012-2017 Rio, 2011-2014 Sorento, and 2010-2011 Rondo vehicles. The Hydraulic Electronic Control Unit (HECU) may experience an electrical short, which can result in an engine compartment fire while parked or driving.

    Risk: An engine compartment fire while parked or driving can increase the risk of injury.

    Remedy: Owners are advised to park outside and away from structures until the recall repair is complete. Dealers will replace the HECU fuse, free of charge. Interim notification letters, notifying owners of the safety risk, were mailed November 14, 2023. Owner notification letters were mailed March 29, 2024 through June 18, 2024. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC284.

  2. NHTSA 22V158000Mar 15, 2022Visibility & Wipers30,362 vehicles

    Visibility:windshield

    Kia Motors America (Kia) is recalling all 2014-2016 Cadenza vehicles. During manufacturing, the front windshield may not have been properly bonded to the vehicle, allowing it to detach.

    Risk: A front windshield that detaches from a vehicle can increase the risk of a crash or injury.

    Remedy: Dealers will inspect the front windshield glass. If necessary, the windshield will be removed and reinstalled. Repairs will be performed free of charge. Owner notification letters were mailed May 13, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC232.

2015 Kia Cadenza fuel economy and fuel cost

City
19 MPG
Highway
28 MPG
Combined
22 MPG
Annual fuel cost (EPA)
$2,950
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 Cadenza years

Complaint Index by model year (0 = fewest issues, 100 = most)02550751002014201520162017201820192020
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2014Avoid100110322
2015Avoid8348222
2016Caution5014222
2017Caution6732223

All Kia Cadenza years: best and worst →

Frequently asked questions

Is the 2015 Kia Cadenza reliable?
Compared to other Cadenza years, the 2015 ranks 2nd worst out of 7 model years, with a Complaint Index of 83 and 48 NHTSA complaints, giving it an Avoid verdict.
What are the most common problems with the 2015 Kia Cadenza?
NHTSA data shows Electrical System complaints make up 29% of reports (14 complaints, including 2 fires), followed by Engine issues at 27% (13 complaints).
Does the 2015 Kia Cadenza have any recalls?
Yes, NHTSA lists 2 recalls: one for a brake component affecting 2014-2016 Cadenza vehicles that requires parking outside until repaired, and one for windshield bonding issues.
How does the 2015 Cadenza compare to other years?
The 2014 Cadenza is worse with a Complaint Index of 100, while the 2019 Cadenza is the best year with an index of 17; the 2015 sits near the bad end at 83.
What mileage do 2015 Cadenza electrical problems appear at?
NHTSA complaint data shows a median mileage of 66,975 for Electrical System failures in the 2015 Cadenza.

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.