2024 Toyota Grand Highlander Power Train Problems
Owners have filed 50 complaints with NHTSA about power train problems on the 2024 Toyota Grand Highlander, 21% of all complaints for this model year. Half of the reports with a mileage happened before 4,000 miles. The words owners use most often: “during acceleration” (10% of reports).
- 50power train complaints
- 4,000median miles at failure
- 1mention a crash
- 1mention an injury
- 0related recalls
- 6%of reports with a speed happened at 50+ mph
What owners describe
Phrases that appear unusually often in these complaints compared with complaints about other cars.
- During acceleration: mentioned in 5 of 50 complaints (10%)
- Clicking noise: mentioned in 5 of 50 complaints (10%)
- Safety risk: mentioned in 5 of 50 complaints (10%)
- Stop sign: mentioned in 5 of 50 complaints (10%)
At what mileage do power train problems happen?
Based on 5 complaints that reported the odometer reading.
How serious are the reports?
Of 50 complaints, 1 mention a crash, 1 an injury.
Toyota Grand Highlander power train complaints by model year
| Model year | Power Train complaints | Share of that year | Median miles |
|---|---|---|---|
| 2026 Grand Highlander | 2 | 5% | — |
| 2025 Grand Highlander | 17 | 22% | — |
| 2024 Grand Highlander | 50 | 21% | 4,000 |
When owners reported it
Related recalls (0)
No safety recall lists power train for the 2024 Toyota Grand Highlander. A pattern of complaints does not always lead to a recall.
What owners report
Short excerpts of recent complaints, with personal details removed. Full reports are on NHTSA.gov.
2024 Toyota Grand Highlander Hybrid AWD. Vehicle exhibits a severe metallic "clunk" or "boom" noise and impact from the undercarriage specifically when reversing under moderate to firm acceleration. This is a recurring issue reported by numerous owners of this model, related to harsh powertrain…
2024 Toyota Grand Highlander XLE FWD. At approximately 38,000 miles I began hearing a roaring/humming noise that varied with vehicle speed. The condition initially progressed slowly but then became much worse within several days. At 41,510 miles a Toyota dealer diagnosed and replaced the right rear…
When ambient temperature are over ~90 the vehicle will lose power during acceleration. This happens typically in the speed range of ~20-35mph. The vehicleâs rpm will spike high but lose the ability to increase speed or shift gears. This occurs ~ 40-50% of the time when over 90 degrees. On several…

Frequently asked questions
Do all 2024 Toyota Grand Highlanders have power train problems?
No. NHTSA has 50 owner complaints about power train for the 2024 Toyota Grand Highlander (21% of the 235 complaints for this model year). Complaint data shows that the problem is reported, not how many of all cars sold are affected.
Was there a recall on the 2024 Toyota Grand Highlander power train?
No recall currently lists power train for this vehicle.
At what mileage do power train problems start?
The median reported mileage is 4,000 miles: half of the reports with a mileage came before that.
What do owners say about power train problems on the 2024 Toyota Grand Highlander?
The most frequent phrase is “during acceleration”, in 5 of 50 complaints, followed by “clicking noise” (5).