Half of all complaints arrive by 3 years of age, so 21.4% land after the 4-year basic warranty ends. The system owners report most is Engine, with 7 complaints, typically at 3.1 years.
Infiniti QX55 years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2023 | 4 | 4 | too new | |
| 2022 | 10 | 6 | too new |
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 14.3% | covered | |
| 2 years | 35.7% | covered | |
| 3 years | 78.6% | covered | |
| 4 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 78.6% of reported failures happen inside it — the remaining 21.4% come out of the owner's pocket. Powertrain cover (6 years / 70,000 miles) reaches further, but it only covers the engine and transmission, which account for about 71% of the complaints here.
What actually fails — and at what age
On the Infiniti QX55, the early trouble is Engine and Unknown Or Other — reported at around 3.1 years, so a car still under warranty is the one to check for it.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Engine | 3.1 yrs | — | — | |
| Unknown Or Other | 1 yrs | — | — | |
| Seats | 1 yrs | — | — | |
| Power Train | 3 yrs | — | — | |
| Engine And Engine Cooling | 3 yrs | — | — | |
| Forward Collision Avoidance | 3 yrs | — | — | |
| Fuel/propulsion System | 3 yrs | — | — | |
| Structure | 4 yrs | — | — |
What else in this class
6 models share the QX55's vehicle class.
| Same class as the QX55 | Complaints on record | Recall campaigns | Years built |
|---|---|---|---|
| Toyota RAV4 | 168 | 1996–2026 | |
| Jeep Wrangler | 285 | 1986–2026 | |
| Honda CR-V | 207 | 1997–2026 | |
| Tesla Model Y | 100 | 2020–2026 | |
| Mazda CX-5 | 33 | 2013–2026 | |
| Nissan Rogue | 94 | 2008–2026 |
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 Infiniti QX55 reliable?
By complaints per production run it is better than typical: 1.4 against 3.73 for the average car.
When do QX55 problems usually start?
Half of all complaints arrive by 3 years of age. The most reported system is Engine, typically at 3.1 years, followed by Unknown Or Other.
Will the warranty cover QX55 problems?
Mostly yes: basic cover is 4 years / 50,000 miles, and 78.6% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 71% of the complaints here.
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