2021 Kia Seltos vs 2021 Mazda CX-30
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 Seltos | 2021 Mazda CX-30 |
|---|---|---|
| NHTSA complaints | 354 | 100 |
| Recall campaigns | 2 | 2 |
| Service bulletins (TSBs) | 134 | 607 |
| Investigations | 1 | 0 |
| Crash reports | 13 | 10 |
| Fire reports | 6 | 0 |
| NCAP overall rating | 4/5 | — |
| EPA MPG (combined) | 27–31 | 25–28 |
| Median reported incident mileage | 43,500 mi | — |
Reported problems side by side
| Component | Kia Seltos | Mazda CX-30 |
|---|---|---|
| Engine | 214 | 49 |
| Power Train | 64 | 8 |
| Electrical System | 46 | 13 |
| Engine and Engine Cooling | 42 | 0 |
| Fuel/propulsion System | 23 | 3 |
| Vehicle Speed Control | 10 | 8 |
| Forward Collision Avoidance | 6 | 12 |
| Visibility/wiper | 4 | 9 |
Symptoms owners describe
| Stalling | 90 | 0 |
| Check engine light | 51 | 0 |
| Oil consumption | 50 | 13 |
| Vibration / shaking | 27 | 0 |
| Loss of power | 19 | 0 |
| Clunking / rattling | 17 | 0 |
| Misfire / rough idle | 14 | 0 |
| Hesitation / surging | 14 | 0 |
2021 Kia Seltos
2021 Mazda CX-30
Compare all Kia Seltos vs Mazda CX-30 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.