Chevrolet Blazer engine problems by year
196 NHTSA owner complaints name the engine across 14 Blazer model years. The most reported year is 2020 with 68 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2025 Blazer | 3 | 10% | — | |
| 2024 Blazer | 6 | 13% | — | |
| 2023 Blazer | 12 | 29% | — | |
| 2022 Blazer | 13 | 27% | — | |
| 2021 Blazer | 41 | 31% | — | |
| 2020 Blazer | 68 | 31% | — | |
| 2019 Blazer | 40 | 22% | — | |
| 2006 Blazer | 2 | 11% | — | |
| 2002 Blazer | 3 | 1% | — | |
| 2000 Blazer | 1 | 0% | — | |
| 1999 Blazer | 2 | 0% | — | |
| 1998 Blazer | 2 | 0% | — | |
| 1996 Blazer | 1 | 0% | — | |
| 1995 Blazer | 2 | 0% | — |
Share is the fraction of that year’s complaints naming the engine. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.