Half of all complaints arrive by 4 years of age, so 59.1% land after the 4-year basic warranty ends. The system owners report most is Air Bags, with 4 complaints, typically at 2.8 years.
Infiniti QX70 years to avoid — and the best ones
| Model year | Per run | Complaints | Runs | Enough history? |
|---|---|---|---|---|
| 2017 | 8 | 6 | yes | |
| 2015 | 9 | 8 | yes | |
| 2014 | 5 | 4 | yes |
Among the 3 Infiniti QX70 years with enough history, the three to walk away from are 2017, 2014, 2015; the three worth hunting are 2015, 2014, 2017.
When it starts to break
| Age at failure | Complaints | Running total | Warranty |
|---|---|---|---|
| 0 years | 22.7% | covered | |
| 2 years | 36.4% | covered | |
| 3 years | 40.9% | covered | |
| 4 years | 50% | you pay | |
| 6 years | 68.2% | you pay | |
| 7 years | 81.8% | you pay | |
| 8 years | 86.4% | you pay | |
| 9 years | 100% | you pay |
Basic warranty on this car is 4 years / 50,000 miles. Only 40.9% of reported failures happen inside it — the remaining 59.1% 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 13% of the complaints here.
What actually fails — and at what age
On the Infiniti QX70, the early trouble is Air Bags — reported at around 2.8 years, so a car still under warranty is the one to check for it. What waits further out is Service Brakes at 4.8 years — past every basic warranty, and the bill lands on whoever owns the car then.
| System | Complaints | Typical age | Crash | Fire |
|---|---|---|---|---|
| Air Bags | 2.8 yrs | 1 | — | |
| Service Brakes | 4.8 yrs | — | 1 | |
| Electrical System | 6.5 yrs | — | 1 | |
| Power Train | 8 yrs | — | — | |
| Exterior Lighting | — | — | — | |
| Visibility/wiper | 4.5 yrs | — | — | |
| Fuel/propulsion System | 5.5 yrs | — | — | |
| Seat Belts | — | 1 | — |
What else in this class
6 models share the QX70's vehicle class.
| Same class as the QX70 | 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
- Exact value for that car, adjusted for its mileage
- Full research report as a PDF you can hand to a mechanic
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Frequently asked questions
Is the Infiniti QX70 reliable?
By complaints per production run it is better than typical: 1.21 against 3.73 for the average car.
Which QX70 years should you avoid?
By complaints per production run, 2017, 2014, 2015. The cleanest years old enough to judge are 2015, 2014, 2017. Years newer than 6 are left out: complaints keep arriving for years after a car is sold.
When do QX70 problems usually start?
Half of all complaints arrive by 4 years of age. The most reported system is Air Bags, typically at 2.8 years, followed by Service Brakes.
Will the warranty cover QX70 problems?
Mostly not: basic cover is 4 years / 50,000 miles, and only 40.9% of reported failures fall inside it. Powertrain cover lasts longer, but engine and transmission make up about 13% of the complaints here.
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