2023 Kia K5 Problems

Severe Issues

Shopping for a used 2023 Kia K5? This page highlights owner-reported complaint patterns and recall history so you can inspect the right systems before buying. Based on 90 real NHTSA owner complaints, with Fuel/Propulsion System the most reported area.

20226 years2024

Before you buy

This 2023 Kia K5 has 90 NHTSA complaints β€” top issue: Fuel/Propulsion System.

A model-year pattern isn't the car in front of you. Check this exact VIN for accidents, open recalls, odometer rollback, and salvage titles.

NMVTIS official data Instant results No signup for the preview

Free preview Β· Full report from $12.95.

90
Complaints
6
Crashes
β€”
Fires
15
Injuries
β€”
Fatalities
4
Recalls

2023 Kia K5 Fuel Economy

βœ“ EPA Official Data

EPA-rated fuel economy across 3 2023 Kia K5 trim configurations. The median figure is shown; range reflects all available trims.

25
MPG City
24–27 range
33
MPG Hwy
32–37 range
28
MPG Combined
27–31 range
316
g COβ‚‚/mile
Regular Gasoline
πŸ’°Saves $0 vs. avg vehicle over 5 years

Source: EPA FuelEconomy.gov. Figures reflect EPA lab testing; real-world results vary by driving style, load, and conditions. 3 trims analysed.

2023 Kia K5 Safety Ratings

NHTSA 5-Star Program2 variants tested β€” showing 2023 Kia K5 4 DR AWD

Official crash test results from the NHTSA 5-Star Safety Ratings program. Stars reflect government-conducted tests; higher is safer.

Overall

5/5

10.7% rollover risk

Frontal Crash

4/5

Side Crash

5/5

Rollover

4/5

10.7% probability

βœ“Stability Control: Standardβ—‹Forward Collision Warning: Standard & Optionalβœ“Lane Departure Warning: Standard

Source: NHTSA 5-Star Safety Ratings. Ratings are based on government crash tests and may not reflect all trim levels.

Quick Answer

Based on NHTSA complaint data, the 2023 Kia K5 has 90 owner complaints, 6 crash-related complaints, and 4 recall campaigns on record. The most frequently reported component is Fuel/Propulsion System. NHTSA reliability signal: Severe Issues.

2023 Kia K5 β€” key reliability facts
Make
Kia
Model
K5
Model year
2023
NHTSA owner complaints
90
Crash-related complaints
6
Safety recall campaigns
4
Top reported component
Fuel/Propulsion System
Reliability signal
Severe Issues
EPA MPG combined
28
EPA MPG city / highway
25 / 33
Fuel type
Regular Gasoline
NHTSA overall safety rating
5/5 stars
NHTSA frontal crash rating
4/5 stars
NHTSA side crash rating
5/5 stars
NHTSA rollover rating
4/5 stars
Electronic stability control
Standard

Common problems

Most common 2023 Kia K5 problems

Top owner-reported complaint areas and where they often appear.

#1
28
complaints

Fuel/Propulsion System

Injuries:4
#2
18
complaints

Uncategorized Issues

Crash-related:1
Injuries:3
#3
13
complaints

Structural Problems

Crash-related:2

Complaint patterns center on Fuel/Propulsion System, Uncategorized Issues, Structural Problems. Use these as a pre-purchase inspection guide, then verify recall and damage history on the specific VIN.

Buyer verdict

Should you buy a used 2023 Kia K5?

The 2023 Kia K5 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase.

Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report.

Pre-purchase

What to check before buying a used 2023 Kia K5

Inspection Focus

  • Inspect the Fuel/Propulsion System, including fuel pump and injectors, before purchase.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for any reported fuel system or structural repairs.
  • Have a mechanic perform a thorough inspection, focusing on fuel and structural components.

Before You Close the Deal

  • Inspect the Fuel/Propulsion System, including fuel pump and injectors, before purchase.
  • Verify all open recalls at nhtsa.gov/recalls.
  • Request service records for any reported fuel system or structural repairs.
  • Have a mechanic perform a thorough inspection, focusing on fuel and structural components.

Check the exact car

Shortlist with model-year data. Decide with the exact VIN.

Before buying a used 2023 Kia K5, run a VIN history report to verify accidents, title brands, odometer records, theft checks, and open recalls for the exact vehicle.

AI verdict

What the complaint data suggests

Editorial interpretation of NHTSA public complaint data. Source: nhtsa.gov. Complaints are owner-submitted and do not confirm a defect. Methodology

Complaints for the 2023 Kia K5 are concentrated in the Fuel/Propulsion System, which accounts for a significant portion of the total. Other notable areas include Uncategorized Issues and Structural Problems. The data suggests potential concerns with fuel-related components, though the low confidence level and limited model year range warrant caution.

Key Findings
  • The Fuel/Propulsion System received the highest number of complaints among all components.
  • Uncategorized Issues and Structural Problems also show notable complaint counts.
  • Crash-related complaints represent a small fraction of total complaints.
Top Concerns
  • Fuel/Propulsion System complaints are the most frequently reported issue.
  • Uncategorized Issues may indicate problems not easily classified.
  • Structural Problems are another area with a notable number of complaints.
Data note: NHTSA complaints are consumer-submitted and do not confirm a manufacturing defect. The analysis covers only one model year (2023), limiting the ability to identify trends across years. Confidence level is Low, meaning the data may not be fully representative.

Full breakdown

All 2023 Kia K5 complaints by category

Every owner-reported complaint category filed with NHTSA for the 2023 Kia K5. Use this as a pre-purchase inspection checklist.

ComponentComplaintsCrashesFiresAvg MileageVolume
Fuel/Propulsion System28β€”β€”β€”
Uncategorized Issues181β€”β€”
Structural Problems132β€”β€”
Fuel System12β€”β€”β€”
Gasoline12β€”β€”β€”
Engine Problems11β€”β€”β€”
Transmission / Drivetrain11β€”β€”β€”
Brake System51β€”β€”
Forward Collision Avoidance: AEB52β€”β€”
Electrical Faults4β€”β€”β€”
Airbag Malfunctions43β€”β€”
Seat-Related Issues3β€”β€”β€”
Suspension Failures2β€”β€”β€”
Lane Departure2β€”β€”β€”
Visibility2β€”β€”β€”
Unintended Acceleration2β€”β€”β€”
Tire Issues2β€”β€”β€”
Headlight/Taillight Failures1β€”β€”β€”
Electronic Stability Control (Esc)1β€”β€”β€”
Wheel Issues1β€”β€”β€”

Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.

In their words

Real owner complaints

Read what owners actually reported to NHTSA for the 2023 Kia K5. Type a keyword (e.g. β€œtransmission”, β€œstalling”, β€œbrakes”) to filter.

Showing 90 most recent complaints

Electrical FaultsMay 1, 2026

I am writing to formally report that the manufacturer of my vehicle is refusing to repair a safety issue covered under an active recall. My vehicle is subject to Manufacturer Recall Number SC356. I brought my vehicle to an authorized dealership for inspection and repair as instr…

Fuel SystemApr 22, 2026

The contact owns a 2023 Kia K5. The contact stated that after fully refueling the vehicle, the fuel gauge incorrectly indicated that the fuel tank was empty. The vehicle was taken to the dealer, where it was diagnosed, and the dealer associated the failure with NHTSA Campaign Num…

Fuel SystemApr 9, 2026

The contact owns a 2023 Kia K5. The contact stated that while driving at an undisclosed speed, there was a fuel odor inside the vehicle. Occasionally, the low fuel warning light was illuminated. While attempting to refuel the vehicle, gasoline was not entering the fuel tank as in…

Uncategorized IssuesMar 26, 2026

The vehicle experienced a failure directly related to a manufacturer recall involving fuel tank expansion. The incident occurred while the vehicle was in use during normal operation on a work trip approximately three hours away from home. This failure presents a serious safety c…

Seat-Related IssuesMar 20, 2026

On March 9, 2026, I brought my vehicle to a Kia dealership in Alexandria, Virginia after experiencing a loud thump noise from the rear of the vehicle while stopped at a red light. (3/08/2026) Immediately following the incident, I smelled gasoline, noticed a significant drop in f…

Structural ProblemsMar 9, 2026

The contact owns a 2023 Kia K5. The contact stated that while the vehicle was parked, the contact observed that the trim below the rear windshield and the trunk lid trim had partially detached. The vehicle was taken to a dealer, where it was diagnosed, and it was determined that …

Suspension FailuresMar 9, 2026

RECALL CHECK AND THEY KEPT MY CAR AND SAID THEY WILL NOT REPLACE IT

Structural ProblemsMar 7, 2026

My 2023 Kia K5 experienced a fuel system issue related to Recall SC288 (Fuel Tank Inspection & ECM Update). The vehicle displayed a check engine light and could not accept fuel while refueling. The vehicle was taken to a Kia dealership on May 21, 2025 where the recall inspection…

Fuel/Propulsion SystemFeb 27, 2026

My car started shaking as I was on the interstate headed to Orlando I decided to turn around and go back home I tried putting gas in the car and the gas was shooting back out I was literally a hour away from home so as I’m driving back home the back seat flew off causing my niece…

Brake System CrashJan 30, 2026

The contact owns a 2023 Kia K5. The contact stated that while driving at approximately 5 MPH and approaching a stop sign exiting a parking lot, as the contact depressed the brake pedal to stop for a commercial truck stopped at the exit, the "collision warning" illuminated. The co…

Seat-Related IssuesJan 26, 2026

serious safety-related defects in my 2023 Kia K5 involving the fuel/emissions system &other vehicle components. From early ownership & throughout the lease period, the vehicle experienced repeated& unresolved issues including fuel system abnormalities, emissions failures, fuel od…

Structural ProblemsJan 21, 2026

Front driver side bottom bumper has unclipped randomly. I’ve spoken to a group with other 2023 Kia K5 GT-Line owners and at minimum 30 others have had the same exact clip from the bumper randomly detach. This could cause a hazard for other drivers if the bumper were to detach and…

Uncategorized IssuesJan 15, 2026

I am submitting this complaint regarding a serious fuel system defect involving my 2023 Kia GT-Line. The vehicle was subject to a manufacturer recall due to fuel tank expansion. Kia has acknowledged that the fuel tank expands beyond normal specifications, creating a potential saf…

Structural ProblemsJan 6, 2026

β€’Back/Rear Windshield Trim Partial Detachment: unknown if available for inspection. β€’Large rear window trim piece might fall off, posing a road hazard. β€’Unknown if problem has been reproduced or confirmed β€’ Unknown if component has been revised by anyone β€’No warning lights…

Fuel SystemJan 5, 2026

The contact owns a 2023 Kia K5. The contact received notification of NHTSA Campaign Number: 25V794000 (Fuel System, Gasoline); however, the part to do the recall repair was not yet available. The local dealer was not contacted. The contact stated that the manufacturer had exceede…

Fuel SystemDec 22, 2025

The contact owns a 2023 Kia K5. The contact stated that while driving at various speeds, the check engine warning light intermittently flashed on the instrument panel. The contact used a code reader to diagnose the failure and received a code for a defective valve with an excessi…

Suspension FailuresDec 19, 2025

The kia since bought brand new would have alignment issues even after getting alignments every 3-4 months and the dealership claim that they don’t whats causing constant misalignment after seeing theres no signs of external damage. Due to the misalignment it wears down the tires …

Fuel SystemDec 16, 2025

The contact owns a 2023 Kia K5. The contact stated that while driving at various speeds, there was an abnormal sound coming from the vehicle, the fuel level was lowering, and a fuel odor was entering the cabin of the vehicle. No warning light was illuminated. Upon further inspect…

Fuel SystemDec 16, 2025

The contact owns a 2023 KIAΒ K5. The contact received notification of NHTSA Campaign Number: 25V794000(Fuel System, Gasoline); however, the part to do the recall repair was unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recal…

Uncategorized IssuesDec 15, 2025

I am submitting this complaint regarding unresolved safety recalls affecting my Kia K5: Recall SC356 and Recall SC346. I have contacted my authorized Kia dealer multiple times over the past several months, yet no remedy has been provided. Most alarmingly, I was informed today tha…

Page 1 of 5

Source: NHTSA Complaints Database. Real owner reports for the 2023 Kia K5.

Safety recalls

2023 Kia K5 recalls

4 campaigns

NHTSA recall campaigns for the 2023 Kia K5. 4 recall campaigns are on record for this model year. Recalls are free to fix at authorized dealers, but completion status must be verified on the exact VIN.

Safety recall

POWER TRAIN:AUTOMATIC TRANSMISSION

#22V760000POWER TRAIN:AUTOMATIC TRANSMISSIONNov 10, 2022
Safety recall

AIR BAGS:SIDE/WINDOW:CURTAIN

#23V149000AIR BAGS:SIDE/WINDOW:CURTAINJul 3, 2023
Safety recall

STRUCTURE:BODY:ROOF AND PILLARS

#25V493000STRUCTURE:BODY:ROOF AND PILLARS28/07/2025
Safety recall

FUEL SYSTEM, GASOLINE

#25V794000FUEL SYSTEM, GASOLINE17/11/2025

Across model years

Compare Kia K5 model years

Compare complaint and recall volume across years to see whether 2023 lands in a lower-risk or higher-risk part of the model timeline.

Research more

Keep researching before you buy

Compare brands and categories, then check the exact car's history by VIN.

Questions

2023 Kia K5 buying FAQ

Buyer-focused answers based on real NHTSA complaint and recall data for this model year.

Is the 2023 Kia K5 reliable?β–Ύ

Severe Issues. NHTSA currently shows 90 owner complaints, 6 crash-related complaints, and 4 recall campaigns for this model year. The 2023 Kia K5 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Treat this as a model-year signal, then verify the exact vehicle's condition and history before purchase.

What are the most common problems with the 2023 Kia K5?β–Ύ

#1: Fuel/Propulsion System (28 complaints). #2: Uncategorized Issues (18 complaints). #3: Structural Problems (13 complaints)

At what mileage do problems start on the 2023 Kia K5?β–Ύ

Mileage data is not available or insufficient for this model year.

How safe is the 2023 Kia K5?β–Ύ

Complaint data is not the same as crash-test scoring, but it does highlight possible risk patterns. For the 2023 Kia K5, NHTSA complaints include 6 crash-related reports and 0 fire reports out of 90 total complaints. 15 injury reports are also on file. For controlled crash-test ratings, check nhtsa.gov/ratings.

Does the 2023 Kia K5 have any recalls?β–Ύ

Yes. 4 NHTSA recall campaigns affect the 2023 Kia K5. A major recall area is POWER TRAIN:AUTOMATIC TRANSMISSION. 4 recall campaigns are on record for this model year. Always verify open recalls by VIN because completion status varies by vehicle.

Should I buy a 2023 Kia K5?β–Ύ

The 2023 Kia K5 shows higher complaint activity for its model-year profile, so buyers should inspect known problem areas carefully before purchase. Use the model-year trend to shortlist candidates, then confirm the exact vehicle condition with service records, recall status, and a VIN history report. Pay extra attention to Fuel/Propulsion System during inspection. Before committing, run a VIN history report to verify accidents, title brands, odometer records, and recall completion for the exact car.

Source: NHTSA (National Highway Traffic Safety Administration) complaint and recall databases, aggregated by VinSpector AI.

Wider context: See the full Kia K5 reliability report with year-by-year comparison.

Owner Reliability Rating

Rate the 2023 Kia K5 based on your ownership experience.

Add your rating:

Ratings are based on owner experience and are separate from NHTSA data shown above.

Before you buy

Check the exact vehicle history before you buy

Model-year complaints and recalls reveal patterns. A VIN report confirms whether the exact car has accident history, title brands, mileage issues, or open recalls.