Reliability & cost of ownership
Chevrolet Trailblazer EXT Reliability & Common Problems
How reliable is the Chevrolet Trailblazer EXT? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Chevrolet Trailblazer EXT problems by model year
13 recall entries and 863 owner complaints on file across 4 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2006 Trailblazer EXT | 6 | 189 | No overall rating on file | AI reliability outlook → |
| 2004 Trailblazer EXT | 1 | 260 | No overall rating on file | AI reliability outlook → |
| 2003 Trailblazer EXT | 3 | 314 | No overall rating on file | AI reliability outlook → |
| 2002 Trailblazer EXT | 3 | 100 | No overall rating on file | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Chevrolet Trailblazer EXT, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system277 complaints
- fuel system, gasoline234 complaints
- power train92 complaints
- exterior lighting57 complaints
- engine and engine cooling50 complaints
- visibility49 complaints
- structure41 complaints
- fuel system, other34 complaints