AutoUtility currently tracks 45 official NHTSA owner defect complaints for the 2025 Kia K4. Driver Assistance & Safety Tech issues are the most frequently reported category, appearing in 16 complaints (35.6% of submitted records). Among these NHTSA complaint records, 10 filings cite a crash, 6 report one or more injuries.
Factual proportion of owner complaints categorized by automotive subsystem in NHTSA records
16 owner complaints submitted to NHTSA ODI for this subsystem.
12 owner complaints submitted to NHTSA ODI for this subsystem.
8 owner complaints submitted to NHTSA ODI for this subsystem.
7 owner complaints submitted to NHTSA ODI for this subsystem.
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"The tpms system will stop working and display a message saying check tire pressure monitoring system. While this message is displayed i cannot see any tire pressures and presumably will not receive any warnings about tires losing pressure. It starts working again on its own at seemingly random..."
"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..."
"Air bag did not deploy, yes High Risk Yes Yes No Hit a street sign. Went through radiator, bent frame in front on passenger side, busted windshield, punctured roof. Car is totaled"
"The primary Dashboard of the vehicle stopped working (while driving the car) and i lost access to all important information such as speed, RPM, current cruise setting, milage, visual alerts for any driver assistance warnings. The entire screen went black and showed “NO SIGNAL” in red text in the..."
"I'm not sure what's going on. It's telling me to start stop the car when it's running and then it will turn off and go into accessory mode even when I'm driving that's dangerous. I took it to Kia a month ago for the same thing but they said they couldn't find anything, but it has to be something if..."
Reported defect complaint volume across sibling model years (2025–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2025 Kia K4 Current Page | 45 | 10 | 2 | Current |
| 2026 Kia K4 | 0 | 0 | 1 | View 2026 Problems → |
Complete distribution of consumer defect reports across all 32 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Injury Entries | Fatality Entries |
|---|---|---|---|---|---|
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 6 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 4 | 0 | 0 | 0 | 0 |
| Air Bags NHTSA category: AIR BAGS | 3 | 1 | 0 | 2 | 0 |
| POWER TRAIN,ENGINE | 3 | 0 | 0 | 0 | 0 |
| STEERING,LANE DEPARTURE | 2 | 1 | 0 | 2 | 0 |
| AIR BAGS,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 1 | 0 |
| AIR BAGS,LANE DEPARTURE | 1 | 1 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 1 | 0 | 0 | 0 |
| BACK OVER PREVENTION,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,AIR BAGS,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 1 | 0 |
| ELECTRICAL SYSTEM,SEATS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,TIRES | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,VEHICLE SPEED CONTROL,ENGINE | 1 | 0 | 0 | 0 | 0 |
| Engine & Cooling NHTSA category: ENGINE AND ENGINE COOLING | 1 | 0 | 0 | 0 | 0 |
| ENGINE AND ENGINE COOLING,ELECTRICAL SYSTEM,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 1 | 1 | 0 | 0 | 0 |
| LANE DEPARTURE,FORWARD COLLISION AVOIDANCE | 1 | 1 | 0 | 1 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| Steering NHTSA category: STEERING | 1 | 1 | 0 | 0 | 0 |
| STEERING,ELECTRICAL SYSTEM,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STEERING,POWER TRAIN,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,UNKNOWN OR OTHER,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,WHEELS,LANE DEPARTURE | 1 | 0 | 0 | 1 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| VEHICLE SPEED CONTROL,UNKNOWN OR OTHER,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| Wheels & Hubs NHTSA category: WHEELS | 1 | 0 | 0 | 0 | 0 |
Cross-reference safety recalls, crash test safety ratings, and EPA fuel economy for this model year
Key performance indicators, EPA fuel economy specs, powertrain variants, and summary ratings.
Official recall campaigns, safety defect descriptions, and manufacturer free remedy instructions.
NHTSA 5-Star NCAP crash test results, driver assistance systems, and rollover resistance ratings.
EPA fuel economy ratings, electric range, and annual energy cost benchmarks.
Direct, deterministic answers synthesized from verified United States government databases for the 2025 Kia K4
In official NHTSA consumer records, the most frequently cited issue area for the 2025 Kia K4 is Driver Assistance & Safety Tech, appearing in 16 records (35.6% of submitted filings).
Secondary reported categories include Electrical System (12) and Engine & Cooling (8).
AutoUtility does not issue subjective reliability scores or commercial ratings. In official United States government records, NHTSA tracks 45 consumer defect complaints and 2 safety recall campaigns for the 2025 Kia K4.
Reviewing documented component complaint distributions, recall remedy notices, and active federal investigations provides an objective, evidence-based view of the vehicle's historical safety and defect record.
Among consumer complaint records on file with NHTSA for the 2025 Kia K4, 10 filings cite a crash, 0 cite smoke or fire, and 6 report one or more injuries.
Incident entries represent consumer descriptions at the time of submission to federal authorities and do not establish mechanical causation or legal liability.
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database under 49 CFR Part 576.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.