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EnginePart report

2025 Kia K5 Engine Problems

Complaints
3about this part
Share
6%of 54 total for the year
Median mileage
2,230miles
Trend
Too newThis model year is less than 4 years old, so a trend is not meaningful yet.

NHTSA recorded 3 complaints about the engine of the 2025 Kia K5, 6% of the 54 complaints for this model year. Where a mileage was given, the median is 2,230 miles. 1 of these say a crash was involved, according to the filers.

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.

“Third time that this happened when I step on the gas you're accelerate the transmission wines when I'm trying to merge I have to slow the car down and take my foot off the accelerator and then when I put my foot on the celebrator there's a car really close to me”

NHTSA complaint #11673235, filed 2025-07

“Shortly after a routine oil change performed at a Kia dealership, I discovered a significant oil leak underneath the vehicle the following day. Within a short period of time, the vehicle began experiencing engine-related issues including a cylinder misfire, noticeable shaking while driving, and loss of power, particularly when accelerating or driving on inclines. The vehicle also displayed a check engine light and a warning related to 12-volt battery drain. …”

NHTSA complaint #11725390, filed 2026-03

Related service bulletins

Engine: other model years

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

Other parts of the 2025 Kia K5

Tires
15 complaints
Electrical system
12 complaints
Exterior lighting
6 complaints
Other or unknown
6 complaints
Transmission and drivetrain
6 complaints
Body and structure
5 complaints
Visibility (wipers, defrost, mirrors)
5 complaints
Wheels
5 complaints
Air bags
3 complaints
Forward collision avoidance
3 complaints
Brakes
2 complaints
Vehicle speed control
2 complaints

← All problems reported for the 2025 Kia K5

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 28, 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