Problems owners report
Complaints filed with NHTSA about the 2026 Kia K4, by the system named in each complaint. One complaint can name several.
- Unknown or other5
- Steering5
- Lane departure4
- Forward collision avoidance2
- Electrical system2
- Vehicle speed control2
- Structure1
- Air bags1
- Tires1
- Engine1
NHTSA ODI complaints (public domain) · updated 23 Oct 2026 · 1 injuries and 0 deaths reported
New York safety inspections
At its first New York inspection the 2026 Kia K4 failed the safety check 0.03% of the time — 83% less often than the average 2026 passenger car (0.16%). Median odometer at inspection: 15 miles.
NY DMV Vehicle Inspections (vezn-fmmk), initial inspections since Aug 2021 · how we count
In the Netherlands
404 first registered in 2026 are on Dutch roads. Median list price when new: €41,140.
Colours
RDW Open Data: registered vehicles and APK defects (CC0) · defect descriptions in the RDW's Dutch wording
In Finland
101 of these cars first registered in 2026 were in use in Finland on 30 Jun 2026.
Traficom (Finnish Transport and Communications Agency), open data on vehicles in use · CC BY 4.0
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 |
|---|---|---|
| 2026 KIA K4 4 DR N/A FWD | ★★★★★ | 9.9 % |
- Electronic stability control
- Standard
- Forward collision warning
- Standard
- 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 5 variants: combined 7.1–8.3 L/100 km (about 28–33 mpg US), CO₂ 166–195 g/km.
| Variant | City | Highway | Combined |
|---|---|---|---|
| K4 (Without DMS) · Mid-size · Regular gasoline | 8.0 | 6.0 | 7.1 |
| K4 · Mid-size · Regular gasoline | 8.2 | 6.0 | 7.2 |
| K4 Hatchback · Full-size · Regular gasoline | 8.3 | 6.7 | 7.6 |
| K4 · Mid-size · Regular gasoline | 9.2 | 7.2 | 8.3 |
| K4 Hatchback · Full-size · Regular gasoline | 9.2 | 7.2 | 8.3 |
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 2026 Kia K4.
| 2026106 6 Mar 2026 | Seats And Restraints Issue: On certain vehicles, the rear center seat belt buckle may not have been manufactured properly. As a result, the seat belt may not latch securely. Not… |
Transport Canada Vehicle Recalls Database · Contains information licensed under the Open Government Licence – Canada
Recalls
Kia America, Inc (Kia) is recalling certain 2027 Kia Telluride and 2026 Kia K4 vehicles. The rear center seat belt anchor buckle in the 2026 K4 and the third-row center seat belt anchor buckle in the 2027 Telluride may not latch properly.
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