Toyota Grand Highlander power train problems by year
65 NHTSA owner complaints name the power train across 3 Grand Highlander model years. The most reported year is 2024 with 49 reports.
| Year | Power Train reports | Share | Median mileage | |
|---|---|---|---|---|
| 2026 Grand Highlander | 1 | 3% | — | |
| 2025 Grand Highlander | 15 | 21% | — | |
| 2024 Grand Highlander | 49 | 21% | — |
Share is the fraction of that year’s complaints naming the power train. Raw counts are not adjusted for sales volume — years that sold more units naturally accumulate more reports.