2021 Chevrolet Tahoe vs 2021 GMC Acadia
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2021 Chevrolet Tahoe | 2021 GMC Acadia |
|---|---|---|
| NHTSA complaints | 428 | 146 |
| Recall campaigns | 16 | 2 |
| Service bulletins (TSBs) | 1,470 | 844 |
| Investigations | 4 | 1 |
| Crash reports | 9 | 6 |
| Fire reports | 3 | 0 |
| NCAP overall rating | 4/5 | — |
| EPA MPG (combined) | 16–24 | 21–25 |
| Median reported incident mileage | 40,500 mi | 28,000 mi |
Reported problems side by side
| Component | Chevrolet Tahoe | GMC Acadia |
|---|---|---|
| Engine | 153 | 29 |
| Fuel/propulsion System | 91 | 23 |
| Power Train | 83 | 17 |
| Electrical System | 56 | 37 |
| Service Brakes | 17 | 17 |
| Air Bags | 25 | 8 |
| Steering | 14 | 16 |
| Fuel System, Gasoline | 24 | 4 |
Symptoms owners describe
| Stalling | 58 | 15 |
| Check engine light | 58 | 18 |
| Loss of power | 44 | 0 |
| Clunking / rattling | 27 | 6 |
| Vibration / shaking | 26 | 10 |
| Misfire / rough idle | 22 | 0 |
| Won’t start | 10 | 0 |
| Hesitation / surging | 9 | 0 |
2021 Chevrolet Tahoe
2021 GMC Acadia
Compare all Chevrolet Tahoe 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.