2025 KIA K4 Engine Problems
4 NHTSA complaints on file
Engine Issues in the 2025 KIA K4
4 engine complaints have been filed with NHTSA for the 2025 KIA K4. Of these, 0 involved a crash, 0 involved a fire, and 0 resulted in injury.
4
Complaints
0
Crashes
0
Fires
0
Injuries
0
Deaths
All Engine Complaints
Engine Failure, Engine cooling and lost power
Sluggish acceleration, after I got an oil change a few weeks ago. No warning lights whatsoever, I’m thinking it’s the transmission , taking awhile to speed up especially on highway
Transmission failure 4 times since purchasing it new in December 2024 I was almost killed multiple times on the highway because car won’t accelerate. Car is jumping when driving and choking Air conditioning shuts off while driving Car gets stuck in park and nothing will work
Bought my Kia k4 2025 in February at DTLA Kia and the experience has been [XXX]. The first day driving I went up near dodgers stadium , immediately had a burnt smell. I disregarded it thinking maybe its fresh paint burning , WRONG. Till this day 4 months later my tail pipe throws a musty smell. Issue number 2 , the hesitant gas pedal. Who knows what it is maybe fuel system , transmission but daily and I mean DAILY my accelaration is poor,jerky, struggling and overall doesn't work. It has its good mornings but once I'm on the road for more than 10 minutes its back to the struggle. I've had my K4 serviced twice at Dtla service, they never once test drove the car because I was tracking the GPS almost all day for the three days they had it. Once I got my car back it tooks...
Other 2025 KIA K4 Problem Areas
Electrical System
8 complaints
Unknown Or Other
8 complaints
Lane Departure Warning
4 complaints
Power Train
4 complaints
Forward Collision Avoidance Warnings
3 complaints
Lane Departure Assist
3 complaints
Steering
3 complaints
Vehicle Speed Control
3 complaints
Air Bags
2 complaints
Forward Collision Avoidance Automatic Emergency Braking
2 complaints
Fuelpropulsion System
2 complaints
Service Brakes
2 complaints
Back Over Prevention Automatic System Braking
1 complaint
Back Over Prevention Rearview System Braking
1 complaint
Back Over Prevention Warnings
1 complaint
Electrical System Instrument Clusterpanel
1 complaint
Seats
1 complaint
Tirespressure Monitoring And Regulating Systems
1 complaint