Half of all complaints arrive by 0 years of age, so 0% land after the 3-year basic warranty ends. The system owners report most is Unknown Or Other, with 86 complaints, typically at 0.6 years.
Toyota Grand Highlander years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2026 | 18 | 14 | too new | |
| 2025 | 77 | 35 | too new | |
| 2024 | 233 | 43 | too new |
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 52.3% | covered | |
| 1 year | 79.7% | covered | |
| 2 years | 100% | covered |
Basic warranty on this car is 3 years / 36,000 miles. Only 100% of reported failures happen inside it — the remaining 0% come out of the owner's pocket. Powertrain cover (5 years / 60,000 miles) reaches further, but it only covers the engine and transmission, which account for about 37% of the complaints here.
What actually fails — and at what age
On the Toyota Grand Highlander, the early trouble is Unknown Or Other and Power Train — reported at around 0.6 years, so a car still under warranty is the one to check for it.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Unknown Or Other | 0.6 yrs | — | 1 | |
| Power Train | 0.8 yrs | 1 | — | |
| Engine | 0.8 yrs | — | — | |
| Fuel/propulsion System | 0.8 yrs | — | — | |
| Structure | 0.5 yrs | 1 | — | |
| Air Bags | 0.2 yrs | 3 | — | |
| Vehicle Speed Control | 0.7 yrs | 2 | — | |
| Electrical System | 0.6 yrs | — | — |
What else in this class
6 models share the Grand Highlander's vehicle class. Per production run, the Toyota Highlander draws 2.92, the Jeep Grand Cherokee 5.35 and the Ford Explorer 5.03, against 3.57 for the Grand Highlander.
| Same class as the Grand Highlander | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Toyota Highlander | 128 | 2001–2026 | |
| Jeep Grand Cherokee | 335 | 1993–2026 | |
| Ford Explorer | 390 | 1991–2026 | |
| BMW X5 | 198 | 2000–2026 | |
| Cadillac Escalade | 129 | 1999–2026 | |
| Hyundai Palisade | 33 | 2020–2026 |
The table shows totals on record; the rates per production run are in the sentence above.
Good year or bad year — the VIN settles it.
- Check any VIN against complaints for its exact build year and plant
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Frequently asked questions
Is the Toyota Grand Highlander reliable?
By complaints per production run it is better than typical: 3.57 against 3.73 for the average car, and in the middle of its class rivals.
When do Grand Highlander problems usually start?
Half of all complaints arrive by 0 years of age. The most reported system is Unknown Or Other, typically at 0.6 years, followed by Power Train.
Will the warranty cover Grand Highlander problems?
Mostly yes: basic cover is 3 years / 36,000 miles, and 100% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 37% of the complaints here.
Is the Grand Highlander more reliable than the Toyota Highlander?
No: 3.57 complaints per production run for the Grand Highlander against 2.92 for the Toyota Highlander.
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