2021 GMC Terrain vs 2021 Kia Telluride
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 GMC Terrain | 2021 Kia Telluride |
|---|---|---|
| NHTSA complaints | 34 | 343 |
| Recall campaigns | 2 | 5 |
| Service bulletins (TSBs) | 693 | 95 |
| Investigations | 0 | 0 |
| Crash reports | 4 | 7 |
| Fire reports | 0 | 4 |
| NCAP overall rating | — | 5/5 |
| EPA MPG (combined) | 26–27 | 21–23 |
| Median reported incident mileage | — | 3,950 mi |
Reported problems side by side
| Component | GMC Terrain | Kia Telluride |
|---|---|---|
| Engine | 8 | 57 |
| Visibility/wiper | 1 | 62 |
| Electrical System | 7 | 39 |
| Power Train | 8 | 25 |
| Structure | 0 | 31 |
| Forward Collision Avoidance | 3 | 20 |
| Visibility | 0 | 23 |
| Service Brakes | 8 | 14 |
Symptoms owners describe
| Vibration / shaking | 7 | 11 |
| Check engine light | 5 | 12 |
| Oil consumption | 0 | 18 |
| Stalling | 0 | 15 |
| Loss of power | 0 | 12 |
| Hesitation / surging | 0 | 9 |
| Clunking / rattling | 0 | 9 |
2021 GMC Terrain
2021 Kia Telluride
Compare all GMC Terrain vs Kia Telluride 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.