KIA K5 Fuel/propulsion System Problems
Owners have filed 122 complaints with NHTSA about fuel/propulsion system problems on the KIA K5 across 4 model years. The 2021 model year has the most (44). The words owners use most often: “fuel tank” (43% of reports).
- 122fuel/propulsion system complaints
- —median miles at failure
- 0mention a crash
- 3mention an injury
- 0related recalls
- 72%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- Fuel tank: mentioned in 53 of 122 complaints (43%)
- Heard loud: mentioned in 13 of 122 complaints (11%)
- Check valve: mentioned in 8 of 122 complaints (7%)
- Gas station: mentioned in 8 of 122 complaints (7%)
At what mileage do fuel/propulsion system problems happen?
How serious are the reports?
Of 122 complaints, 3 a fire, 3 an injury.
KIA K5 fuel/propulsion system complaints by model year
When owners reported it
Related recalls (0)
No safety recall lists fuel/propulsion system for the KIA K5. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
gas door will not open, so then unless i forcefully pull it to open it will not open.
I am filing a safety complaint regarding my Kia K5 because I am concerned about a potentially dangerous mechanical defect. I purchased this vehicle used from CarMax approximately two years ago. Within the first 30 days of ownership, the steering wheel began shaking. CarMax repaired the problem at…
I am filing this complaint regarding the handling of a fuel tank recall involving my 2023 Kia K5 GT-Line. On XXX, I brought my vehicle to Kia Rockwall in [XXX], after being informed of an issue related to a fuel tank recall. I was told that my vehicle could not be returned to me and that Kia would…
2021 Kia K5 [redacted] Gas tank expanded and deformed the body, noticeable under back seat. Risk of gas leak or fire Kia of Mckinney service center has vehicle unrepairable SC356 KIA has case # 26282908 No symptoms, driver complained stopping was jerky CAN'T FIX CAR AND WON'T REPLACE IT.
Vehicle experienced a severe engine misfire (P0302), rough running, and loss of power while driving. Dealership confirmed the Purge Control / PCV valve failed (replaced under Recall SC356 / 25V-794), but charged out-of-pocket for the Cylinder 2 ignition coil that failed as a direct result of the…

Frequently asked questions
Do all KIA K5s have fuel/propulsion system problems?
No. NHTSA has 122 owner complaints about fuel/propulsion system for the KIA K5. Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the KIA K5 fuel/propulsion system?
No recall currently lists fuel/propulsion system for this vehicle.
What do owners say about fuel/propulsion system problems on the KIA K5?
The most frequent phrase is “fuel tank”, in 53 of 122 complaints, followed by “heard loud” (13).
See all KIA K5 problems.