Buick Terraza electrical system problems by year
52 NHTSA owner complaints name the electrical system across 3 Terraza model years. The most reported year is 2005 with 37 reports.
| Year | Electrical System reports | Share | Median mileage | |
|---|---|---|---|---|
| 2007 Terraza | 4 | 12% | — | |
| 2006 Terraza | 11 | 20% | — | |
| 2005 Terraza | 37 | 31% | 35,875 mi |
Share is the fraction of that year’s complaints naming the electrical system. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.