1991 Isuzu Trooper vs 1991 Toyota 4RUNNER
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 | 1991 Isuzu Trooper | 1991 Toyota 4RUNNER |
|---|---|---|
| NHTSA complaints | 57 | 43 |
| Recall campaigns | 0 | 1 |
| Service bulletins (TSBs) | 4 | 28 |
| Investigations | 5 | 4 |
| Crash reports | 5 | 3 |
| Fire reports | 15 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 15 | 14–18 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | Isuzu Trooper | Toyota 4RUNNER |
|---|---|---|
| Engine and Engine Cooling | 13 | 20 |
| Power Train | 12 | 5 |
| Wheels | 8 | 2 |
| Tires | 4 | 4 |
| Electrical System | 7 | 0 |
| Service Brakes, Hydraulic | 3 | 4 |
| Fuel System, Gasoline | 6 | 0 |
| Vehicle Speed Control | 5 | 1 |
Symptoms owners describe
| Vibration / shaking | 0 | 6 |
1991 Isuzu Trooper
1991 Toyota 4RUNNER
Compare all Isuzu Trooper vs Toyota 4RUNNER 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.