Worst years for a Chevrolet Trailblazer
Owners have filed 9,343 complaints about the Chevrolet Trailblazer with NHTSA across model years 1999 to 2026. More of them are about the electrical system than anything else.
Avoid
2002 Chevrolet Trailblazer1,573 complaints — the highest FaultScore of any year, mostly transmission & drivetrain.
Cleanest on record
2025 Chevrolet Trailblazer33 complaints — the lowest FaultScore of the graded years.
Every Chevrolet Trailblazer year, graded
The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2026 | — | 9 | 0 | 0 | — | Brakes |
| 2025 | A | 33 | 0 | 0 | — | Electrical System |
| 2024 | C | 50 | 7 | 0 | 10,000 | Electrical System |
| 2023 | C | 90 | 8 | 1 | 36,500 | Engine & Cooling |
| 2022 | B | 172 | 4 | 0 | 34,100 | Other & Unspecified |
| 2021 | C | 274 | 17 | 5 | 20,000 | Other & Unspecified |
| 2014 | — | 2 | 0 | 0 | — | Engine & Cooling |
| 2009 | B | 37 | 6 | 0 | 82,300 | Lights |
| 2008 | C | 263 | 17 | 19 | 75,000 | Electrical System |
| 2007 | D | 965 | 34 | 78 | 72,000 | Fuel & Propulsion |
| 2006 | D | 1,440 | 44 | 83 | 71,000 | Fuel & Propulsion |
| 2005 | D | 1,905 | 78 | 33 | 70,281 | Fuel & Propulsion |
| 2004 | D | 1,302 | 69 | 40 | 68,000 | Electrical System |
| 2003 | D | 1,160 | 84 | 24 | 73,000 | Electrical System |
| 2002 | F | 1,573 | 152 | 52 | 63,000 | Transmission & Drivetrain |
| 2001 | A | 29 | 3 | 0 | 76,531 | Engine & Cooling |
| 2000 | C | 32 | 3 | 1 | 70,500 | Suspension |
| 1999 | — | 7 | 0 | 0 | — | Transmission & Drivetrain |
What breaks on a Chevrolet Trailblazer
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Exactly what failed on a Chevrolet Trailblazer
The named sub-assemblies behind those complaints, across every model year.
Complaints filed over time
Every complaint about every Chevrolet Trailblazer, by the month it reached NHTSA.
Chevrolet Trailblazer problems by state
Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.
Compare the Chevrolet Trailblazer
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.