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EnginePart report

2024 Kia K5 Engine Problems

Complaints
9about this part
Share
29%of 31 total for the year
Median mileage
11,750miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 9 complaints about the engine of the 2024 Kia K5, 29% of the 31 complaints for this model year. Where a mileage was given, the median is 11,750 miles.

Fewer than 15 complaints name this part, so treat the figures as a rough indication only.

Example complaints

Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.

“I was driving on the expressway and the engine made a noise and I lost power. I was in the left lane of the expressway. I did not have any warning lights or signs or symptoms prior to this incident. No oil ever leaked prior to this incident. When it occurred, oil was pouring out of the engine all over the ground. The engine was smoking. And a warning message came across the entertainment screen that said, “A possible condition with your engine control system has been detected, recommend service soon” I never received any notification of any oil pressure loss, oil loss, warning lights, nothing. …”

NHTSA complaint #11604603, filed 2024-07, 10,719 miles

“The fuel tank expanded, the car was spitting out gas from where you are supposed to insert gas nozzle. my fuel tank expanded so bad from pressure my vehicle sensors malfunctioned my car did not tell me something was wrong, I heard a pop and my car was telling me I had no gas when I did. the insert area for gas to be pumped was swollen and couldn't shut my gas cap cover. …”

NHTSA complaint #11737995, filed 2026-05

“My brand new 2024 Kia K5 has been at Kia of temple hills since February 23, 2026. The dealership has stated they do not know how to diagnose or repair the issue and indicated they needed a special diagnostic tool from the manufacturer. The vehicle has now been out of service for an extended period with no repair timeline provided and no communication from them at all. I also have not been provided a loaner or rental vehicle during this timeframe. While driving with my toddler child the steering wheel gets tight the speedometer isn’t reading correctly. …”

NHTSA complaint #11729327, filed 2026-04

“I bought this vehicle less than 60 days ago and there is transmission hesitation, hard engagement in lower gears, Rough jerking shifting along with acceleration lag. Erracric shifting and phantom braking. I have taken it into the dealership I bought it at at they are not seeing anything. It currently is at another Kia dealership for the past two days. This vehicle is going to cause an accident that puts my safety and others at risk. There is no warning lights that come on. I have done my research and there has been other complaints from other consumers having the same issues. …”

NHTSA complaint #11760419, filed 2026-08

“After driving the car for approximately 30 minutes at freeway speeds I exited the freeway at my off-ramp and being driving on Surface streets. Suddenly several alerts started appearing on the screen of my car. That was followed by the engine revving up and down on its own without me touching the accelerator. When I arrived at a stoplight the engine was idling but revving slightly up and down. When the light changed I pressed accelerator and the engine never exceeded idle speed so I basically idled my way across the intersection and pulled over and stopped. …”

NHTSA complaint #11565957, filed 2024-01

Related service bulletins

Engine: other model years

YearComplaintsShare of year
2026429%
202536%
2024929%
20231312%
20222822%
20213018%

Other parts of the 2024 Kia K5

Other or unknown
7 complaints
Body and structure
7 complaints
Electrical system
6 complaints
Fuel system
5 complaints
Forward collision avoidance
4 complaints
Transmission and drivetrain
3 complaints
Brakes
2 complaints
Vehicle speed control
2 complaints
Seats
1 complaints

← All problems reported for the 2024 Kia K5

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.

To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology