2021 Kia K5 vs 2023 Kia K5
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2021 Kia K5 | 2023 Kia K5 |
|---|---|---|
| NHTSA complaints | 159 | 103 |
| Recall campaigns | 6 | 4 |
| Service bulletins (TSBs) | 134 | 68 |
| Investigations | 0 | 1 |
| Crash reports | 7 | 6 |
| Fire reports | 2 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 27–32 | 27–31 |
| Median reported incident mileage | 56,000 mi | — |
Reported problems side by side
| Component | Kia K5 | Kia K5 |
|---|---|---|
| Fuel/propulsion System | 40 | 39 |
| Electrical System | 44 | 4 |
| Engine | 28 | 12 |
| Power Train | 17 | 11 |
| Fuel System, Gasoline | 12 | 12 |
| Structure | 9 | 14 |
| Forward Collision Avoidance | 9 | 6 |
| Service Brakes | 9 | 6 |
Symptoms owners describe
| Check engine light | 22 | 15 |
| Stalling | 8 | 0 |
| Loss of power | 8 | 6 |
| Electrical failures | 6 | 0 |
| Vibration / shaking | 6 | 5 |
2021 Kia K5
2023 Kia K5
Compare all Kia K5 vs Kia K5 years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.