2018 GMC Acadia vs 2020 GMC Acadia
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 | 2018 GMC Acadia | 2020 GMC Acadia |
|---|---|---|
| NHTSA complaints | 389 | 97 |
| Recall campaigns | 2 | 6 |
| Service bulletins (TSBs) | 1,068 | 883 |
| Investigations | 0 | 1 |
| Crash reports | 8 | 4 |
| Fire reports | 1 | 0 |
| NCAP overall rating | 4/5 | — |
| EPA MPG (combined) | 20–23 | 21–24 |
| Median reported incident mileage | 32,000 mi | — |
Reported problems side by side
| Component | GMC Acadia | GMC Acadia |
|---|---|---|
| Power Train | 162 | 21 |
| Electrical System | 108 | 27 |
| Engine | 32 | 24 |
| Steering | 24 | 17 |
| Service Brakes | 21 | 7 |
| Fuel/propulsion System | 7 | 9 |
| Electronic Stability Control (esc) | 12 | 0 |
| Forward Collision Avoidance | 3 | 8 |
Symptoms owners describe
| Check engine light | 8 | 8 |
| Electrical failures | 7 | 0 |
| Loss of power | 5 | 0 |
| Battery drain | 5 | 0 |
| Stalling | 0 | 7 |
| Vibration / shaking | 0 | 7 |
2018 GMC Acadia
2020 GMC Acadia
Compare all GMC Acadia vs GMC Acadia 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.