2023 KIA K5 Problems
Real NHTSA owner complaints for the 2023 Kia K5. This model year has 90 NHTSA complaints — top issue: Fuel/Propulsion System.
Model-Year Complaints
90 owner reports
Recall Campaigns
4 NHTSA campaigns
Top Failure Area
Fuel/Propulsion System
Worst 2023 Kia K5 Problems
Top 3 most-reported issues with average mileage at failure.
Fuel/Propulsion System
Uncategorized Issues
Structural Problems
AI Interpretation — 2023 Kia K5
Low ConfidenceComplaints 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.
- 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.
- 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.
- 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.
Considering a 2023 Kia K5?
This page shows the model year's reputation. The VIN tells you about this specific car — accidents, title issues, odometer fraud. Full report just $12.95 (vs. Carfax $39.99).
All Problems by Category
Every NHTSA complaint category for the 2023 Kia K5. A single complaint may appear in multiple categories.
| Component | Complaints | Crashes | Fires | Avg Mileage | Volume |
|---|---|---|---|---|---|
| Fuel/Propulsion System | 28 | — | — | — | |
| Uncategorized Issues | 18 | 1 | — | — | |
| Structural Problems | 13 | 2 | — | — | |
| Fuel System | 12 | — | — | — | |
| Gasoline | 12 | — | — | — | |
| Engine Problems | 11 | — | — | — | |
| Transmission / Drivetrain | 11 | — | — | — | |
| Brake System | 5 | 1 | — | — | |
| Forward Collision Avoidance: AEB | 5 | 2 | — | — | |
| Electrical Faults | 4 | — | — | — | |
| Airbag Malfunctions | 4 | 3 | — | — | |
| Seat-Related Issues | 3 | — | — | — | |
| Suspension Failures | 2 | — | — | — | |
| Lane Departure | 2 | — | — | — | |
| Visibility | 2 | — | — | — | |
| Unintended Acceleration | 2 | — | — | — | |
| Tire Issues | 2 | — | — | — | |
| Headlight/Taillight Failures | 1 | — | — | — | |
| Electronic Stability Control (Esc) | 1 | — | — | — | |
| Wheel Issues | 1 | — | — | — |
Source: NHTSA Complaints Database. Complaint counts may exceed total complaints because one report can span multiple categories.
Search Owner Complaints
Read what owners actually reported to NHTSA for the 2023 Kia K5. Type a keyword (e.g. “transmission”, “stalling”, “brakes”) to filter.
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…
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…
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…
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…
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…
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 …
RECALL CHECK AND THEY KEPT MY CAR AND SAID THEY WILL NOT REPLACE IT
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…
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…
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…
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…
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…
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…
•Back/Rear Windshield Trim Partial Detachment: unknown if available for inspection. •Large rear window trim piece might fall off, posing a road hazard. •Unknown if problem has been reproduced or confirmed • Unknown if component has been revised by anyone •No warning lights…
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…
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…
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 …
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…
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 unavailable. The contact stated that the manufacturer had exceeded a reasonable amount of time for the recal…
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…
Source: NHTSA Complaints Database. Real owner reports for the 2023 Kia K5.
Recalls for 2023 Kia K5
4 campaignsNHTSA recall campaigns for the 2023 Kia K5. Recalls are free to fix at any authorized dealer. Run a VIN check below to see if your specific vehicle has open recalls.
2023 Kia K5 — FAQ
Answers based on real NHTSA complaint and recall data for this specific model year.
Is the 2023 Kia K5 reliable?▾
Severe Issues. The 2023 Kia K5 has 90 NHTSA owner complaints, 6 crash-related, and 4 recall campaigns. The most reported issue is Fuel/Propulsion System (28 complaints). Source: NHTSA via VinSpector AI.
What are the most common problems with the 2023 Kia K5?▾
#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?▾
Mileage data is not available or insufficient for this model year.
How safe is the 2023 Kia K5?▾
The 2023 Kia K5 has 6 crash-related complaints and 0 fire reports out of 90 total NHTSA complaints. 15 injuries were reported. For NCAP lab crash test star ratings, visit nhtsa.gov/ratings.
Does the 2023 Kia K5 have any recalls?▾
Yes — 4 NHTSA recall campaigns affect the 2023 Kia K5. The largest issue: POWER TRAIN:AUTOMATIC TRANSMISSION. Check nhtsa.gov/recalls or run a VIN check to see if your specific vehicle has open recalls.
Should I buy a 2023 Kia K5?▾
The 2023 Kia K5 has severe issues — review the top problems before buying. Pay particular attention to Fuel/Propulsion System issues. Always run a VIN check on the specific car you're considering to check for accident history, open recalls, and title brands.
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.
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Check Your Specific 2023 Kia K5
Real owner complaints tell you about the model. The VIN tells you about your specific car — accidents, title issues, odometer fraud. Full report just $12.95 (vs. Carfax $39.99).