AutoUtility currently tracks 66 official NHTSA owner defect complaints for the 2025 Toyota Grand Highlander. Powertrain & Transmission issues are the most frequently reported category, appearing in 15 complaints (22.7% of submitted records). Zero crashes, fires, injury reports, or fatality reports are cited across these complaint records.
- • Total NHTSA Complaints: 66 reports
- • #1 Reported Problem Area: Powertrain & Transmission (15 reports • 22.7% of submitted complaints)
- • Secondary Problem Areas: Driver Assistance & Safety Tech (11), Fuel & Propulsion System (9)
- • Crash-Citing Complaints: 0 filings
- • Fire-Citing Complaints: 0 filings
- • Complaints Reporting Injuries / Fatalities: 0 injury filings • 0 fatality filings
Most Reported Problems for 2025 Toyota Grand Highlander
Top automotive subsystem defect categories ranked by unique owner complaint volume in federal records
Powertrain & Transmission
Driver Assistance & Safety Tech
NHTSA records list 1 official safety recall campaign for this model year involving the same broad component area:
- Campaign #25V744000 BACK OVER PREVENTION:DISPLAY FUNCTION
Fuel & Propulsion System
Engine & Cooling
Body & Structure
Recent NHTSA Owner Reports for 2025 Toyota Grand Highlander
Representative defect filings submitted by owners to the NHTSA Office of Defects Investigation
"Load cabin wind noise. Service said it was the luggage bars on the roof. I removed the bars and the noise was the same. Came back to the shop on August 22, 2026 they looked and said the panoramic seal was lifting and leaking. Before buying the car we were told the prior issue with panoramic..."
"I have noticed on several separate occasions a strong gas odor coming from my 2025 Toyota Grand Highlander after I have completed a drive. This has been intermittent, however, yesterday on XXX, the gasoline odor was so strong after I parked my vehicle in my garage, that it quickly filled the garage..."
"I continuously have issues accelerating from stop in my max hybrid. the issue is particularly worse when it is warm out. I press the gas and the RPMs drop really low and I barely move through the intersection for a few seconds. Once it finally registers after a number of seconds, the RPMs rev up..."
"I have over 30k miles on my car. Over the period that I’ve owned it there have been a few, roughly 6, occasions where I’m trying to change lanes from a stop into quick traffic and my car lags 1-3 seconds in response to me pressing the gas petal. It happens infrequently and is not the normal..."
"on 8/13/2026, I was driving alone on West I-80 right before Park City, Ut; I heard a loud pop and my panoramic sunroof exploded which was really scary. I was not using my sunroof at all, so the cover protected everything on the inside. At first I thought it was a flat tire, but no warning messages..."
Complaint History for Toyota Grand Highlander
Reported defect complaint volume across sibling model years (2024–2026)
| Model Year | NHTSA Complaints | Crash Reports | Safety Recalls | Detailed Report |
|---|---|---|---|---|
| 2024 Toyota Grand Highlander | 229 | 6 | 4 | View 2024 Problems → |
| 2025 Toyota Grand Highlander Current Page | 66 | 0 | 3 | Current |
| 2026 Toyota Grand Highlander | 0 | 0 | 3 | View 2026 Problems → |
Detailed NHTSA Component Breakdown for 2025 Toyota Grand Highlander
Complete distribution of consumer defect reports across all 30 granular NHTSA system and subsystem classifications
| Vehicle Component / System | Total Complaints | Crash Reports | Fire Reports | Reported Injury Entries | Reported Fatality Entries |
|---|---|---|---|---|---|
| Other / Uncategorized NHTSA category: UNKNOWN OR OTHER | 17 | 0 | 0 | 0 | 0 |
| Powertrain NHTSA category: POWER TRAIN | 6 | 0 | 0 | 0 | 0 |
| Structure & Body NHTSA category: STRUCTURE | 6 | 0 | 0 | 0 | 0 |
| Fuel & Propulsion System NHTSA category: FUEL/PROPULSION SYSTEM | 5 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,ENGINE | 3 | 0 | 0 | 0 | 0 |
| Visibility & Wipers NHTSA category: VISIBILITY/WIPER | 3 | 0 | 0 | 0 | 0 |
| Electrical System NHTSA category: ELECTRICAL SYSTEM | 2 | 0 | 0 | 0 | 0 |
| Engine NHTSA category: ENGINE | 2 | 0 | 0 | 0 | 0 |
| Back Over Prevention / Camera NHTSA category: BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| CHILD SEAT | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| ELECTRICAL SYSTEM,FORWARD COLLISION AVOIDANCE,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| LANE DEPARTURE,FORWARD COLLISION AVOIDANCE,BACK OVER PREVENTION | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| POWER TRAIN,VEHICLE SPEED CONTROL,FUEL/PROPULSION SYSTEM | 1 | 0 | 0 | 0 | 0 |
| Seat Belts NHTSA category: SEAT BELTS | 1 | 0 | 0 | 0 | 0 |
| SEATS,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Service Brakes NHTSA category: SERVICE BRAKES | 1 | 0 | 0 | 0 | 0 |
| SERVICE BRAKES,FORWARD COLLISION AVOIDANCE | 1 | 0 | 0 | 0 | 0 |
| STEERING,LANE DEPARTURE | 1 | 0 | 0 | 0 | 0 |
| STRUCTURE,ENGINE | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,POWER TRAIN,SEATS | 1 | 0 | 0 | 0 | 0 |
| SUSPENSION,STRUCTURE,UNKNOWN OR OTHER | 1 | 0 | 0 | 0 | 0 |
| Vehicle Speed Control NHTSA category: VEHICLE SPEED CONTROL | 1 | 0 | 0 | 0 | 0 |
| Visibility / Glass NHTSA category: VISIBILITY | 1 | 0 | 0 | 0 | 0 |
Official NHTSA Defect Investigations (1)
Formal safety defect inquiries and engineering analyses opened by the NHTSA Office of Defects Investigation (ODI)
Road debris/rocks damaging the heat exchangers
The Office of Defects Investigation (ODI) received a Petition dated July 20, 2026. The Petition requests an investigation of road debris / rocks damaging the heat exchangers in model year (MY) 2024-2026 Toyota Grand Highlander vehicles. The Petition contends that the Grand Highlanderâs front-end grill has large, open apertures and no protective screen between the grill and the vehicleâs heat exchangers. The Petition further alleges that as a...
The complaint records on this page are retrieved directly from the NHTSA Office of Defects Investigation (ODI) public database.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.