2023 GMC Terrain vs 2024 GMC Terrain
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 GMC Terrain | 2024 GMC Terrain |
|---|---|---|
| NHTSA complaints | 38 | 49 |
| Recall campaigns | 2 | 1 |
| Service bulletins (TSBs) | 456 | 370 |
| Investigations | 0 | 0 |
| Crash reports | 2 | 1 |
| Fire reports | 1 | 1 |
| NCAP overall rating | 5/5 | — |
| EPA MPG (combined) | 26 | 25–26 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | GMC Terrain | GMC Terrain |
|---|---|---|
| Power Train | 7 | 21 |
| Engine | 14 | 11 |
| Fuel/propulsion System | 14 | 10 |
| Electrical System | 7 | 6 |
| Fuel System, Gasoline | 6 | 0 |
| Lane Departure | 4 | 1 |
| Forward Collision Avoidance | 2 | 3 |
| Vehicle Speed Control | 2 | 3 |
Symptoms owners describe
| Stalling | 12 | 0 |
| Check engine light | 11 | 0 |
| Loss of power | 8 | 7 |
2023 GMC Terrain
2024 GMC Terrain
Compare all GMC Terrain vs GMC Terrain 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.