FaultScore

Worst years for a Infiniti QX56

Owners have filed 706 complaints about the Infiniti QX56 with NHTSA across model years 2004 to 2013. More of them are about the brakes than anything else.

Avoid

2004 Infiniti QX56

147 complaints — the highest FaultScore of any year, mostly brakes.

Cleanest on record

2009 Infiniti QX56

14 complaints — the lowest FaultScore of the graded years.

Every Infiniti QX56 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2013 C 43 6 0 99,500 Engine & Cooling
2012 B 72 1 0 85,556 Engine & Cooling
2011 C 96 0 3 90,000 Engine & Cooling
2010 C 32 2 0 75,000 Airbags
2009 A 14 0 0 156,193 Suspension
2008 C 73 5 0 92,000 Brakes
2007 A 28 0 0 85,000 Brakes
2006 B 100 0 0 95,000 Brakes
2005 C 101 2 0 92,000 Brakes
2004 D 147 7 1 88,033 Brakes

What breaks on a Infiniti QX56

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Brakes 201 28.5%

Worst in 2004

Engine & Cooling 113 16.0%

Worst in 2011

Worst in 2005

Worst in 2004

Suspension 43 6.1%

Worst in 2011

Airbags 36 5.1%

Worst in 2004

Worst in 2006

Worst in 2011

Steering 21 3.0%

Worst in 2010

Body & Structure 17 2.4%

Worst in 2004

Lights 16 2.3%

Worst in 2005

Windows, Mirrors & Wipers 13 1.8%

Worst in 2004

Acceleration & Cruise Control 10 1.4%

Worst in 2004

Stability & Traction Control 8 1.1%

Worst in 2006

Complaints filed over time

Every complaint about every Infiniti QX56, by the month it reached NHTSA.

Jun 2004 peak 15 Jul 2026

Infiniti QX56 problems by state

Where owners filed from. Heavier states are usually just bigger markets, but a part that fails in heat or salt shows up here first.

Compare the Infiniti QX56

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.