2021 Jeep Grand Cherokee vs 2021 Porsche Cayenne
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Sep 3, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2021 Jeep Grand Cherokee | 2021 Porsche Cayenne |
|---|---|---|
| NHTSA complaints | 401 | 20 |
| Recall campaigns | 12 | 5 |
| Service bulletins (TSBs) | 1,313 | 698 |
| Investigations | 0 | 0 |
| Crash reports | 20 | 0 |
| Fire reports | 8 | 0 |
| NCAP overall rating | 5/5 | — |
| EPA MPG (combined) | 17–21 | 19–20 |
| Median reported incident mileage | 19,146 mi | — |
Reported problems side by side
| Component | Jeep Grand Cherokee | Porsche Cayenne |
|---|---|---|
| Electrical System | 114 | 6 |
| Steering | 102 | 2 |
| Engine | 60 | 3 |
| Power Train | 57 | 2 |
| Exterior Lighting | 42 | 0 |
| Fuel/propulsion System | 38 | 1 |
| Suspension | 30 | 0 |
| Service Brakes | 28 | 2 |
Symptoms owners describe
| Stalling | 31 | 0 |
| Loss of power | 20 | 0 |
| Check engine light | 20 | 0 |
| Steering problems | 11 | 0 |
| Won’t start | 9 | 0 |
| Vibration / shaking | 9 | 0 |
| Hesitation / surging | 7 | 0 |
| Overheating | 6 | 0 |
2021 Jeep Grand Cherokee
2021 Porsche Cayenne
Compare all Jeep Grand Cherokee vs Porsche Cayenne 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.