Chevrolet Trailblazer reliability by year
9 recalls and 4,459 owner complaints across 10 model years. Best year to buy: 2024. Year to avoid: 2007.
Worst model years to avoid → — the single year to avoid for every model line we track, ranked side by side.
Years to avoid — and why 5 flagged on the NHTSA record
Cleaner on the data: 2009, 2022, 2023, 2024, 2025 . Still verify the specific vehicle.
At-a-glance: every year color-coded
Each cell shows the last two digits of the model year and its 0–10 reliability score from NHTSA data. Click any year to see the full record. ★ best year · ✕ year to avoid.
Year-by-year reliability 10 model years · newest first
Common trouble spots across the Trailblazer aggregated across 10 model years
Common questions
What's the best year to buy a Chevrolet Trailblazer?
Based on NHTSA complaint volume and severity weighting, the 2024 Chevrolet Trailblazer scores 8.4/10 — the strongest in the 2005–2025 range. 32 complaints on file, 0 active recalls. Reliability scores reflect the federal complaint record, not subjective owner reviews.
Which Chevrolet Trailblazer year should I avoid?
The 2007 Chevrolet Trailblazer scores 6.0/10 — the weakest in the lineup. 782 owner complaints with NHTSA, 4 active recalls. That doesn't mean every 2007 is a problem — it means failure rates run higher than peer model years on the same platform.
Which years of the Chevrolet Trailblazer should I avoid?
On the NHTSA complaint and recall record, the model years to be most careful with are 2021 (avoid — the powertrain — powertrain: 35 complaints, classified severe, failures cluster 20,000–40,000 mi); 2008 (avoid — the electrical system — 10 fire-related complaints on the electrical system); 2007 (avoid — the electrical system — 37 fire-related complaints and 3 crash-related complaints on the electrical system); 2006 (avoid — the fuel system — 11 fatality reports and 6 fire-related complaints on the fuel system); 2005 (avoid — the engine — 10 fire-related complaints and 3 crash-related complaints on the electrical system). The cleaner years on the data are 2025, 2024, 2023, 2022, 2009. This is our read of the federal data, not a substitute for a pre-purchase inspection of the specific vehicle.
How many years of the Chevrolet Trailblazer are tracked?
10 model years (2005 through 2025) with NHTSA records on file. Total across the lineup: 9 recalls and 4,459 owner complaints.
What's the most-reported problem on the Chevrolet Trailblazer?
fuel system is the most-reported category — 1,497 complaints across 4 model years. Average shop repair runs about $1,200.