YearToAvoid

2024 Kia K5 Problems, Recalls & Reliability

Verdict

Best

Complaint Index

0/100

#5 most-complained of 5 K5 years

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

The 2024 Kia K5 ranks best among the 5 model years tracked, with a Complaint Index of 0 and 30 NHTSA complaints. It has 2 recalls (fuel system, structure) but no do-not-drive orders, making it the strongest K5 year for reported problems.

Complaints
30
Recalls
2
Crashes / fires
1 / 0
Injuries / deaths
1 / 0
NHTSA overall rating
5 / 5 ★
EPA combined MPG
28
25 city / 33 hwy

Top 2024 Kia K5 problems

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

  1. Engine10 (33%)
  2. Structure & Body8 (27%)
  3. Other7 (23%)
  4. Electrical System6 (20%)
  5. Collision Avoidance & Cameras4 (13%)
  6. Fuel System4 (13%)
  7. Transmission & Powertrain3 (10%)
  8. Brakes2 (7%)

What owners report

  • Some drivers report sudden loss of engine power at highway speeds (60-80 MPH), with warning lights illuminating and the dealer unable to diagnose the cause.
  • One owner described the engine making a noise, losing power, and then leaking and smoking oil while driving on an expressway.
  • Owners report the forward collision warning and automatic emergency braking system failing to activate before a rear-end crash.
  • Some report the transmission and engine behaving erratically, with the engine turning off or stalling at stops and revving up and down on its own without accelerator input.
  • Owners describe rear window trim or trunk lid trim detaching or loosening, in some cases tied to a later recall.
  • One owner reported a delay in getting a recall repair for a fuel system issue because the replacement part was not yet available.
2024 Kia K5 complaints: complaints filed per month4Dec 2023Apr 2024Aug 2024Aug 2025Dec 2025Apr 2026Jul 2026
44 complaints filed with NHTSA from Dec 2023 to Sep 2026; peak Dec 2023 (4).

2024 Kia K5 recalls

2 NHTSA recall campaigns list this model year.

  1. NHTSA 25V794000Nov 17, 2025Fuel System250,547 vehicles

    Fuel system, gasoline

    Kia America, Inc. (Kia) is recalling certain 2021-2024 K5 vehicles. A damaged check valve can allow air to enter the fuel tank, causing it to expand and contact hot exhaust components, melting the tank.

    Risk: A melted fuel tank can leak, increasing the risk of a fire.

    Remedy: Dealers will replace the check valve. The fuel tank will be inspected for damage and replaced as necessary. All repairs will be performed free of charge. Owner notification letters were mailed January 16, 2026. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is SC356. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning December 1, 2025.

  2. NHTSA 25V493000Jul 28, 2025Structure & Body100,063 vehicles

    Structure:exterior trim

    Kia America, Inc. (Kia) is recalling certain 2023-2025 K5 vehicles. The left and right rear window trim pieces may loosen and detach.

    Risk: Detached trim pieces can create a road hazard for other vehicles, increasing the risk of a crash.

    Remedy: Dealers will inspect and replace the C-pillar trim assemblies, as necessary, free of charge. Owner notification letters were mailed November 19, 2025. Owners may contact Kia customer service at 800-333-4542. Kia's number for this recall is SC346.

2024 Kia K5 fuel economy and fuel cost

City
25 MPG
Highway
33 MPG
Combined
28 MPG
Annual fuel cost (EPA)
$2,300
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.

2024 compared with other K5 years

Complaint Index by model year (0 = fewest issues, 100 = most)025507510020212022202320242025
Complaint Index: 0 = fewest issues, 100 = most, relative to other years of this model. Avoid Caution Good Best
YearVerdictIndexComplaintsRecallsMPG
2022Avoid100127529.5
2023Avoid75107428
2024Best030228
2025Good2551228

All Kia K5 years: best and worst →

Frequently asked questions

Is the 2024 Kia K5 reliable?
Based on NHTSA owner complaints and recalls, the 2024 K5 is the best-ranked year among the 5 years tracked, with a Complaint Index of 0 and only 30 complaints logged.
What problems does the 2024 Kia K5 have?
The top reported problem area is the engine, accounting for 33% of complaints (10 of 30), followed by structure and body issues at 27% and electrical system issues at 20%.
Does the 2024 Kia K5 have any recalls?
Yes, NHTSA lists 2 recalls: one for a fuel system check valve that can allow air into the tank and contact hot exhaust components, and one for rear window trim pieces that may loosen and detach. Neither is a do-not-drive recall.
How does the 2024 K5 compare to other K5 years?
The 2024 model has a Complaint Index of 0, well below the 2022 (100, Avoid) and 2023 (75, Avoid) model years, and it carries fewer recalls than 2021 (6) and 2022 (5).
What mileage do 2024 K5 problems typically show up at?
The median mileage at failure for 2024 K5 complaints overall is 12,780 miles, though engine complaints specifically show a median of 10,719 miles.

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.