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2023 Kia K5 VIN Check, Recalls & Reliability

The 2023 Kia K5 has good reliability. There are 4 recalls and 81 owner complaints on file for the 2023 KIA K5. Severity signals include 6 crash-related complaints. The most commonly reported problem areas are: Fuel Propulsion System (15), Power Train (11), Fuel System, Gasoline (10).

K5 reliability snapshot

71/100
Latest model-year reliability score
4.0/5
RepairPal rating (overall)

Data sourced from Auto Reliability Index, aggregating NHTSA recalls, owner complaints, and RepairPal repair-cost records.

Used-car research

Research the KIA K5 before checking the VIN

Compare model years, recurring problems, safety campaigns and market value first. Then use the VIN to verify the history of the individual car.

Most-reported 2023 KIA K5 issues

Owner-reported problem categories from NHTSA complaint filings. Counts reflect complaints per category for the most-recent model year on file.

  • Fuel Propulsion System15
  • Power Train11
  • Fuel System, Gasoline10
  • Structure9
  • Unknown Or Other9
  • Engine5

Pre-purchase inspection checklist for the 2023 KIA K5

Hands-on checks distilled from real NHTSA complaint patterns and recall histories. Bring this list to a test drive or mechanic inspection.

  • Inspect fuel tank for expansion and check for any fuel leaks
  • Test brakes for responsiveness and check for unusual wear on pads and rotors
  • Check for any warning lights on the dashboard, especially related to engine and power train
  • Test drive to ensure no unexpected power loss or acceleration issues
  • Inspect sunroof and trim for any signs of detachment or damage
  • Verify completion of all recall repairs with the dealer

What owners reported

2023 KIA K5 owner complaints in detail

Owners have reported 6 crashes and 13 injuries to NHTSA for the 2023 KIA K5. These are unverified owner reports, not confirmed defect rates.

Owner complaints15

FUEL/PROPULSION SYSTEM

Owners of the 2023 Kia K5 frequently report issues with the fuel tank expanding, leading to various safety and operational problems. Complaints commonly describe symptoms such as loud popping noises, back seats being pushed upward, and difficulty refueling due to the fuel tank not accepting gas. These issues often result in loss of power, check engine lights, and in some cases, structural damage to the vehicle's subframe. Reports suggest this occurs across a range of mileages, with some vehicles experiencing these problems as early as 200 miles. Safety implications are significant, with one injury reported and potential risks of explosion or fire due to the expanded fuel tank. Buyers considering a used Kia K5 should be aware of these reported issues, particularly concerning unresolved recalls and the vehicle's safety status.

Severity signals: 0 crash, 0 fire, 1 injury reports

Owner complaints11

POWER TRAIN

Owners of the 2023 Kia K5 frequently report issues with the power train, particularly involving unexpected power loss and transmission problems. Common symptoms include sudden loss of acceleration, the vehicle entering limp-home mode, and erratic RPMs, often accompanied by illuminated warning lights. These issues are reported to occur at various mileage points, with some owners noting occurrences as early as 5,000 miles and others around 34,000 miles. Safety implications are significant, as several complaints describe loss of control at highway speeds and near-miss incidents. Buyers should be aware that these problems persist even after service visits, with some vehicles not included in existing recalls despite exhibiting similar issues.

Owner complaints10

FUEL SYSTEM

Owners report recurring issues with the fuel system in the 2023 Kia K5, with multiple complaints highlighting fuel tank expansion and associated problems. Symptoms frequently include loud popping or booming sounds, gasoline odors inside and outside the vehicle, and unexpected fuel leaks. Some owners note that these issues occur at varying mileages, with instances reported as low as 17,857 miles and as high as 270,000 miles. Safety implications are evident, with one report of a minor injury due to hot fuel fumes and another describing loss of motive power while driving. These patterns suggest that potential buyers should be cautious of fuel system issues that may affect vehicle safety and operability.

Severity signals: 0 crash, 0 fire, 1 injury reports

Owner complaints9

STRUCTURE

Owners report several structural issues with the 2023 Kia K5, with frequent mentions of rear trim pieces, including chrome covers around the rear windshield, detaching or coming loose, potentially posing road hazards. Complaints often describe trim pieces flying off at highway speeds, and some owners note similar problems with the front bumper clips detaching. Additionally, there are reports of the sunroof glass spontaneously exploding, which could lead to glass scattering on the road or into the cabin. These issues are reported at various mileage points, with one owner noting the problem around 13,500 miles. Safety implications include the risk of these detached components causing accidents or injuries, as indicated by one crash-related complaint.

Severity signals: 1 crash, 0 fire, 0 injury reports

Owner complaints5

ENGINE

Owners of the 2023 Kia K5 frequently report severe engine issues, including complete engine shutdowns and explosions. Multiple complaints describe sudden loss of power, with one owner noting the engine sputters and fails to accelerate even after spark plug replacement. Some vehicles experience engine implosions shortly after purchase, with one case occurring at approximately 74 miles. Another owner reports a catastrophic fuel tank explosion that rendered the vehicle unrepairable, posing significant safety risks. These issues often occur within the first few months of ownership, and symptoms include illuminated check engine lights, strange noises, and burning smells, leading to safety hazards such as loss of control and potential collisions.

Owner complaints4

AIR BAGS

Owners report issues with the airbag system in the 2023 Kia K5, particularly related to deployment during crashes. Complaints frequently mention airbags failing to deploy in significant collisions, with one owner involved in a head-on collision noting that the airbags did not activate despite substantial damage. Another owner describes a side impact where the side airbag did not deploy, resulting in $18,000 in damages. In a separate incident, an owner reports the front airbag deploying and causing injuries, including chemical burns and a concussion. These complaints involve crashes with injuries, highlighting potential safety implications for buyers considering this model.

Severity signals: 3 crash, 0 fire, 7 injury reports

Owner complaints3

SERVICE BRAKES

Owners of the 2023 Kia K5 report issues with the service brakes, particularly at low mileage. Complaints frequently mention premature brake wear, with one owner needing to replace front brake pads and rotors at only 8,300 miles. Another owner describes a brake pedal locking issue during a tire blowout at approximately 8,500 miles, leading to a temporary loss of braking ability. There is also a report of a crash at around 27,000 miles where the brake pedal went soft, resulting in a collision and minor injury. These reports highlight potential safety implications, including loss of braking control and increased maintenance costs, especially at low mileage.

Severity signals: 1 crash, 0 fire, 1 injury reports

Owner complaints2

FORWARD COLLISION AVOIDANCE

Owners of the 2023 Kia K5 report issues with the forward collision avoidance system, with symptoms including multiple warning lights activating and a loss of functionality in safety features such as power steering, cruise control, and lane departure alerts. One complaint involves a crash, where the vehicle unexpectedly shifted gears and accelerated while in a car wash, leading to a minor collision without any warning sounds or automatic braking. These issues are reported to occur consistently upon vehicle startup, though specific mileage details are not provided. The safety implications include a loss of critical safety systems and an incident of unintended acceleration, which may be of concern to potential buyers.

Severity signals: 1 crash, 0 fire, 0 injury reports

Owner complaints2

VEHICLE SPEED CONTROL

Owners of the 2023 Kia K5 report issues with unexpected acceleration when the "Auto Hold" feature is engaged. Complaints frequently mention that when coming to a stop, the engine revs up to around 4 RPMs or higher, requiring drivers to apply the brake forcefully. This issue has been reported in vehicles with mileage ranging from 800 to under 10,000 miles. In some cases, shifting to Park or Neutral temporarily resolves the problem, but concerns about potential accidents are noted if the issue occurs at high speeds. Buyers should be aware of these reports of unintended acceleration, as they pose a potential safety risk.

Owner complaints2

ELECTRICAL SYSTEM

Owners of the 2023 Kia K5 report issues related to the vehicle's electrical system, particularly involving unexpected loss of power. Complaints frequently mention the vehicle shutting down while driving at highway speeds, with the accelerator failing to respond and brake systems becoming non-functional, creating potential safety risks. Additionally, warning lights, including the check engine light, illuminate along with messages indicating engine control system issues, often leading to an inability to accelerate properly. These problems are reported to occur around 13,000 miles, with some owners noting that despite repairs, the issues persist intermittently, affecting the vehicle's drivability and safety.

2023 K5 recalls (4)

Every NHTSA safety recall logged against the 2023 K5. A VIN check confirms whether any recall remains unrepaired on a specific vehicle.

  1. FUEL SYSTEM, GASOLINENHTSA 25V794000Nov 17, 2025

    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.

    Consequence: 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. STRUCTURENHTSA 25V493000Jul 28, 2025

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

    Consequence: 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.

  3. AIR BAGSNHTSA 23V149000Mar 7, 2023

    Kia America, Inc. (Kia) is recalling certain 2021-2023 K5 vehicles. The side curtain air bags may have been installed incorrectly, causing them not to deploy properly in the event of a crash.

    Consequence: Air bags that do not deploy as intended can increase the risk of injury in a crash.

    Remedy

    Dealers will inspect and reinstall the side curtain air bags, as necessary, free of charge. Owner notification letters were mailed April 7, 2023. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC263.

  4. POWER TRAINNHTSA 22V760000Oct 11, 2022

    Kia Motors, Inc. (Kia) is recalling certain 2021-2022 Sorento and 2021-2023 K5 vehicles. The vehicle's "fail-safe" limited-mobility drive mode may be impaired, when prompted by a transmission oil pump malfunction, which can result in a complete loss of drive power.

    Consequence: Loss of drive power increases the risk of a crash.

    Remedy

    Dealers will inspect and replace the transmission, as necessary. Dealers will also update the transmission control unit software. All repairs will be performed free of charge. Owner notification letters were mailed December 9, 2022. Owners may contact Kia customer service at 1-800-333-4542. Kia's number for this recall is SC250.

2023 KIA K5 on the road

58,292 2023 KIA K5 units were sold new in the US — a key signal for the size of today's used-market inventory.

How the 2023 KIA K5 stacks up against rivals

The most-shopped alternatives in the same segment. Each link opens a side-by-side reliability and cost comparison.

Reliability verdict for the 2023 Kia K5

With an 85/100 reliability score versus a 79/100 segment average, the 2023 Kia K5 rates above average. The data points to generally solid dependability for this class, with fewer signals of widespread systemic trouble than many peers.

Complaints are not confined to a single subsystem, but they do cluster most around fuel/propulsion and powertrain-related areas, with additional reports spanning fuel system, structure, and uncategorized items. That spread suggests issues are present across multiple domains rather than one dominant weak point. Recall activity is elevated rather than limited, which adds some buyer-facing reliability exposure despite the strong overall score. As the final year of its generation, the model-year stands as a mature iteration in the dataset.

Overall risk level: moderate-to-low for the segment.

What you get in a 2023 Kia K5 report

Available title brand history
Odometer readings & rollback detection
Accident & damage records
Auction sales with photos
Open safety recalls
Theft & stolen vehicle check

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2023 Kia K5 — Frequently asked questions

Is the 2023 Kia K5 reliable?

With an 85/100 reliability score versus a 79/100 segment average, the 2023 Kia K5 rates above average. The data points to generally solid dependability for this class, with fewer signals of widespread systemic trouble than many peers.

How many recalls does the 2023 Kia K5 have?

4 NHTSA safety recalls have been issued for the 2023 Kia K5. A VIN check confirms whether any remain unrepaired on a specific vehicle.

What are the most common 2023 Kia K5 problems?

The most-reported 2023 Kia K5 problem areas are: Fuel Propulsion System (15), Power Train (11), Fuel System, Gasoline (10).

Should I run a VIN check on a 2023 Kia K5?

Yes. A VIN report verifies title brands, odometer history, accident records, and recall completion on a specific 2023 Kia K5, complementing the model-year reliability data on this page.