Toyota Grand Highlander engine problems by year
54 NHTSA owner complaints name the engine across 3 Grand Highlander model years. The most reported year is 2024 with 37 reports.
| Year | Engine reports | Share | Median mileage | |
|---|---|---|---|---|
| 2026 Grand Highlander | 6 | 19% | — | |
| 2025 Grand Highlander | 11 | 15% | — | |
| 2024 Grand Highlander | 37 | 16% | — |
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.