K4 (1st)

The 2025-2025 Kia K4 has accumulated 28 NHTSA complaints. The most frequently reported problem areas are Electrical System, Brakes, Engine. As with any used vehicle, a pre-purchase inspection and vehicle history report are recommended.

The 2025-2025 Kia K4 was offered with 1 engine option. Based on NHTSA complaint data, the 2L ?-cyl has the lowest complaint density and is considered the most reliable choice for buyers.

The 2025-2025 Kia K4 can be a solid used car purchase depending on trim, mileage, and maintenance history. With 28 total NHTSA complaints on record, prospective buyers should review the known problem areas and check for open recalls before buying.

The 2025-2025 Kia K4 has 28 complaints filed with NHTSA as of our latest data pull. Complaint counts reflect owner-reported issues and do not necessarily indicate defects or safety risks on their own.

There are 2 NHTSA recalls affecting some 2025-2025 Kia K4 vehicles. Recall status varies by VIN — check the NHTSA recall database at recalls.nhtsa.dot.gov with your specific VIN to confirm which campaigns apply.

Before buying a used Kia K4, verify all open recalls are completed via the NHTSA VIN lookup tool. Pay particular attention to Electrical System, Brakes, Engine, which are the most commonly reported problem areas. Request maintenance records, have an independent mechanic inspect the vehicle, and run a vehicle history report to check for prior accidents or title issues.

The 2025 Kia K4 received an overall 5-star safety rating from NHTSA. Frontal crash: 4 stars. Side crash: 5 stars. Rollover: 5 stars (9.9% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard & Optional. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.