Problems owners report
Complaints filed with NHTSA about the 2025 Kia K4, by the system named in each complaint. One complaint can name several.
- Electrical system14
- Unknown or other12
- Power train8
- Forward collision avoidance7
- Engine7
- Air bags7
- Lane departure7
- Steering5
- Vehicle speed control4
- Fuel/propulsion system3
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 8 injuries and 0 deaths reported
New York safety inspections
At its first New York inspection the 2025 Kia K4 failed the safety check 0.24% of the time — 28% less often than the average 2025 passenger car (0.34%). Median odometer at inspection: 27 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
Crash-test ratings
NHTSA 5-star results for 1 variant; 1 of 1 rated variants score five stars overall. Rollover risk is the estimated chance of rolling over in a single-vehicle crash.
| Variant | Overall | Rollover risk |
|---|---|---|
| 2025 KIA K4 4 DR FWD | ★★★★★ | 9.9 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard & Optional
- Lane departure warning
- Standard
- Best overall rating
- 5 / 5
NHTSA New Car Assessment Program (5-Star Safety Ratings), api.nhtsa.gov · US federal work, public domain
Fuel consumption
Official Canadian test results for 3 variants: combined 7.0–8.0 L/100 km (about 29–34 mpg US), CO₂ 164–188 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| K4 (Without DMS) · Mid-size · Regular gasoline | 7.9 | 5.8 | 7.0 |
| K4 · Mid-size · Regular gasoline | 8.4 | 6.0 | 7.3 |
| K4 · Mid-size · Regular gasoline | 9.2 | 6.6 | 8.0 |
Litres per 100 km. Natural Resources Canada, Fuel consumption ratings (open.canada.ca) · Open Government Licence – Canada
Recalls in Canada
1 Transport Canada recall for the 2025 Kia K4.
| 2026032 26 Jan 2026 | Lights And Instruments Issue: On certain vehicles, a software problem could cause the instrument cluster display to go blank while driving. As a result, you may not be able to see c… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Kia America, Inc. (Kia) is recalling certain 2025 Kia K4, 2025-2026 Sorento, Sorento Hybrid, Sorento Plug-In Hybrid Electric (PHEV), 2026 Sportage, Sportage Hybrid, Sportage PHEV, K5, EV9, Carnival, and Carnival Hybrid vehicles. Due to a software error, the instrument panel display may fail. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 101, "Controls and Displays" and 138, "Tire Pressure Monitoring System."
Kia America, Inc. (Kia) is recalling certain 2025 K4 and Sorento vehicles. The connecting rod bolts in the engine may have been improperly tightened, which can cause a loss of drive power.
Whether a recall was fixed on a particular car is known only to the manufacturer: check the VIN at nhtsa.gov/recalls.
NHTSA recalls · summaries in NHTSA's own words