Kia K4 — reported problems
CarFaultIQ holds 161 evidence records for the Kia K4 (2025–2026), drawn from official sources and owner complaints.
What owners report: issue areas
Owner complaints are classified by the system they concern: 202 classifications in all. One complaint can concern several systems, so these add up to more than the number of complaints.
- Driver-assistance systems56 (27.7%)
- Electrical system26 (12.9%)Official recall records for this system: 1, covering model years 2025.
- Engine18 (8.9%)Official recall records for this system: 1, covering model years 2025.
- Steering16 (7.9%)
- Powertrain (transmission & drivetrain)14 (6.9%)
- Air bags (restraint system)12 (5.9%)
Other / uncategorized: 28 classifications (13.9%) were not assigned to a specific system by the source. They are counted but not treated as an issue area.
These are counts of records held by CarFaultIQ, not a failure rate. More records can simply mean more vehicles were sold or more owners reported. No vehicles-in-service figure exists in this data, so no reliability or risk score can be derived from it.
What the records are about, by source
Each source is kept separate: owner complaints, recalls, manufacturer communications and investigations are different kinds of record and are never added together. All model years.
- Owner complaints (104 records, model years 2025–2026) are most frequently classified under: driver-assistance systems, electrical system and engine.
"Most frequently classified under" reports how the records are filed by the source. It is not a finding about causes, and a record can be filed under more than one system. Read the individual records
Evidence by model year
Records held per model year. Select a year to narrow this page to it.
Counts are not adjusted for how many vehicles were sold in each year, so a taller year is not necessarily a worse year.
Reports mentioning outcomes
- 26mention a crash
- 18mention an injury
These are counts of records whose report mentioned the outcome. They are not a severity rating and not a safety assessment of this vehicle.
Official records held
- Safety recalls NHTSA 6
- Manufacturer communications NHTSA 47
- Transport Canada recalls Transport Canada 4
- Owner complaints NHTSA 104
Where to go next
- Kia K4 coverage hub Published problems, year windows and buyer guidance for this model.
- Evidence Explorer — the underlying records Read the individual recalls, investigations, manufacturer communications and complaints these counts come from.
- Browse all vehicle coverage Every make and model CarFaultIQ has published coverage for.