Infiniti QX56: which model years draw the most owner complaints?
541 complaints filed with NHTSA about the Infiniti QX56, model years 2004 to 2013. No model year stands out for the engine or transmission against the others. Quietest mature years by complaint count: 2007, 2010, 2013. Counts of unverified owner reports, compared only with other years of the same model; not failure rates.
Complaints by model year
| MODEL YEAR | COMPLAINTS | VS OTHER YEARS | STANDS OUT | RECALLS |
|---|---|---|---|---|
| 2004 QX56FEW REPORTS | 106 | — | 2 | |
| 2005 QX56FEW REPORTS | 80 | — | 4 | |
| 2006 QX56FEW REPORTS | 80 | — | 4 | |
| 2007 QX56FEW REPORTS | 21 | quiet: 1 of 9 | 2 | |
| 2008 QX56FEW REPORTS | 53 | — | 4 | |
| 2009 QX56FEW REPORTS | 7 | — | 3 | |
| 2010 QX56FEW REPORTS | 26 | quiet: 2 of 9 | 3 | |
| 2011 QX56FEW REPORTS | 78 | — | 2 | |
| 2012 QX56FEW REPORTS | 57 | — | 3 | |
| 2013 QX56FEW REPORTS | 33 | quiet: 3 of 9 | 3 |
"Stands out" = 40 or more complaints naming that system and at least twice the model's quiet (lower-quartile) year, or twice the share seen across every vehicle of that model year. Newer years have had less time on the road. "Quiet" ranks only years with 7+ years on the road and 20+ complaints. NHTSA data through November 2026.
Check your QX56 at your mileage
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Other Infiniti models
Infiniti FX35 · Infiniti G35 · Infiniti G37 · Infiniti I35 · Infiniti JX35 · Infiniti M35 · Infiniti M45 · Infiniti Q50 · Infiniti QX4 · Infiniti QX50 · Infiniti QX60. All makes and models.
Source: NHTSA public complaints, recalls, service bulletin and investigation databases, data received through November 2026. Complaints are unverified reports from owners, not failure rates: sales volumes are unknown, so a model year is only compared with other years of the same model. Not a diagnosis and not financial advice. PulsCar is not affiliated with NHTSA. Year pages: