Vehicle Data Hub

2025 Kia K4 problems

Owners have filed 93 complaints with NHTSA about the 2025 Kia K4. Electrical system is the most reported problem area, at 16% of complaints. Next are engine (10%) and forward collision avoidance (10%).

At a glance

Complaints
93 filed with NHTSA
Most reported
Electrical system 16% of complaints
Crashes and fires
21 and 0
Injuries and deaths
18 and 0
Typical mileage
1,000 miles 11 complaints with mileage

Source: NHTSA owner complaints

Where the complaints are

Share of this model year's complaints by the part of the car involved. One complaint can name more than one part, so the shares can add up to more than 100%.

  • Electrical system 16%
  • Engine 10%
  • Forward collision avoidance 10%
  • Lane departure 10%
  • Drivetrain & axles 9%
  • Air bags 8%
  • Steering 5%
  • Backover prevention 4%
  • Cruise control 4%
  • Fuel system 3%

When problems show up

Complaints by mileage, 2025 Kia K4 Complaints by odometer reading in 20,000-mile steps. The median is about 1,000 miles. 0k to 20k miles: 7 complaints 20k to 40k miles: 0 complaints 40k to 60k miles: 3 complaints 60k to 80k miles: 1 complaints 80k to 100k miles: 0 complaints 100k to 120k miles: 0 complaints 120k to 140k miles: 0 complaints 140k to 160k miles: 0 complaints 160k to 180k miles: 0 complaints 180k to 200k miles: 0 complaints 200k+ miles: 0 complaints 040k80k120k160k200k miles Typical: 1,000 miles
Based on 11 complaints that include mileage. 91% were reported before 60,000 miles. The amber marker shows the median: half of these complaints happened before that mileage.
View the numbers
MileageComplaints
0k to 20k miles7
20k to 40k miles0
40k to 60k miles3
60k to 80k miles1
80k to 100k miles0
100k to 120k miles0
120k to 140k miles0
140k to 160k miles0
160k to 180k miles0
180k to 200k miles0
200k+ miles0

What the data shows

Of the 11 complaints that include odometer readings, half describe a problem before roughly 1,000 miles.

Safety-related details: 21 complaints mention a crash; 18 injuries reported. Its complaints are more severe on average than those of 93% of model years in our database.

It is also covered by 2 safety recall campaigns.

What owners wrote

A few complaints as filed, shortened and with personal details removed. The first ones are among the most serious reports for this model year; the rest are typical.

I was hit on the driver side of the car infront of the driver door side of the hood and it took out my wheel and the car is totaled with how hard the hit was made my car bounce but the air bags never deployed and the fireman and the police officer said with as hard as I was hit it should have deployed

April 2026 CrashInjury

I am submitting this complaint regarding a suspected safety defect involving a 2025 Kia K4. On XXX, the vehicle was involved in a single-vehicle crash in the Town of [XXX]. According to the driver, the vehicle unexpectedly steered off the roadway when the Lane Keeping Assist/Lane Centering steering system appeared to intervene. The driver attempted to maintain control but was unable to keep the vehicle on the roadway.

July 2026 CrashInjury

The contact owns a 2025 Kia K4. The contact stated that after driving for approximately 40 minutes at speeds between 55-75 MPH, the TPMS warning light started flashing, with the message "Check Tire Pressure" displayed. The vehicle was taken to the dealer three times. On the first visit, the dealer was unable to duplicate the issue. On the second visit, the dealer diagnosed the vehicle with an electrical system failure and reprogrammed the TPMS; however, the failure persisted.

Reported at 800 miles, May 2025

The contact owns a 2025 Kia K4. The contact stated that while driving at 75 MPH, the vehicle downshifted upon depression of the accelerator pedal, with heavy white smoke coming out of the exhaust pipe. The contact stated that the low oil pressure warning light was illuminated prior to the failure. The contact pulled off the highway and drove into a store parking lot as the engine made an abnormal knocking sound.

Reported at 58,000 miles, June 2026

Other model years of the K4