2023 Hyundai Sonata vs 2023 Kia K5
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 22, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2023 Hyundai Sonata | 2023 Kia K5 |
|---|---|---|
| NHTSA complaints | 86 | 107 |
| Recall campaigns | 2 | 4 |
| Service bulletins (TSBs) | 50 | 68 |
| Investigations | 0 | 1 |
| Crash reports | 5 | 6 |
| Fire reports | 0 | 0 |
| NCAP overall rating | 5/5 | 5/5 |
| EPA MPG (combined) | 27–47 | 27–31 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | Hyundai Sonata | Kia K5 |
|---|---|---|
| Fuel/propulsion System | 37 | 39 |
| Engine | 27 | 12 |
| Power Train | 16 | 11 |
| Fuel System, Gasoline | 6 | 14 |
| Electrical System | 12 | 6 |
| Structure | 4 | 14 |
| Forward Collision Avoidance | 8 | 6 |
| Service Brakes | 3 | 6 |
Symptoms owners describe
| Loss of power | 16 | 6 |
| Check engine light | 13 | 16 |
| Misfire / rough idle | 8 | 0 |
| Vibration / shaking | 8 | 5 |
| Stalling | 5 | 0 |
| Hesitation / surging | 5 | 0 |
2023 Hyundai Sonata
2023 Kia K5
Compare all Hyundai Sonata 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.