2003 Chevrolet Trailblazer vs 2003 Toyota 4 Runner
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 | 2003 Chevrolet Trailblazer | 2003 Toyota 4 Runner |
|---|---|---|
| NHTSA complaints | 901 | 168 |
| Recall campaigns | 8 | 0 |
| Service bulletins (TSBs) | 673 | 70 |
| Investigations | 8 | 0 |
| Crash reports | 68 | 1 |
| Fire reports | 14 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 15–16 | 15–18 |
| Median reported incident mileage | 76,000 mi | 6,000 mi |
Reported problems side by side
| Component | Chevrolet Trailblazer | Toyota 4 Runner |
|---|---|---|
| Electrical System | 285 | 3 |
| Engine and Engine Cooling | 65 | 75 |
| Power Train | 103 | 18 |
| Fuel System, Gasoline | 114 | 5 |
| Exterior Lighting | 77 | 0 |
| Visibility | 64 | 13 |
| Air Bags | 57 | 1 |
| Fuel/propulsion System | 55 | 0 |
Symptoms owners describe
| Check engine light | 34 | 0 |
| Stalling | 32 | 6 |
| Rust / corrosion | 31 | 0 |
| Loss of power | 17 | 0 |
| Hesitation / surging | 11 | 0 |
| Electrical failures | 11 | 0 |
| Vibration / shaking | 11 | 14 |
| Clunking / rattling | 9 | 6 |
2003 Chevrolet Trailblazer
2003 Toyota 4 Runner
Compare all Chevrolet Trailblazer vs Toyota 4 Runner 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.