2020 Chevrolet Suburban vs 2021 Chevrolet Suburban
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 | 2020 Chevrolet Suburban | 2021 Chevrolet Suburban |
|---|---|---|
| NHTSA complaints | 42 | 182 |
| Recall campaigns | 4 | 12 |
| Service bulletins (TSBs) | 841 | 1,363 |
| Investigations | 0 | 4 |
| Crash reports | 2 | 6 |
| Fire reports | 1 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | 16–23 |
| Median reported incident mileage | — | 68,500 mi |
Reported problems side by side
| Component | Chevrolet Suburban | Chevrolet Suburban |
|---|---|---|
| Engine | 15 | 76 |
| Power Train | 10 | 35 |
| Electrical System | 8 | 17 |
| Fuel/propulsion System | 3 | 22 |
| Forward Collision Avoidance | 1 | 11 |
| Service Brakes | 3 | 8 |
| Engine and Engine Cooling | 1 | 9 |
| Air Bags | 2 | 6 |
Symptoms owners describe
| Check engine light | 0 | 32 |
| Vibration / shaking | 0 | 17 |
| Stalling | 0 | 16 |
| Loss of power | 0 | 14 |
| Misfire / rough idle | 0 | 12 |
| Clunking / rattling | 0 | 8 |
| Oil consumption | 0 | 5 |
2020 Chevrolet Suburban
2021 Chevrolet Suburban
Compare all Chevrolet Suburban vs Chevrolet Suburban 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.