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2011-2013

2011 Model Redesign Year
With the 2011 redesign, the big Infiniti moved to a new platform. It also became a plush luxury liner with a quiet, well-equipped cabin and a supple, steady ride. However, its high step-in, ungainly handling, and fuel economy of just 15 mpg overall are detriments. Standard safety features include stability control, traction control, and antilock brakes. Options include blind-spot warning, adaptive cruise control with automatic braking and lane-departure warning. Infiniti changed the QX56 name to QX for 2012 and 2013 model years.
The name changed again to QX80 from 2014 onward.
2013 Infiniti QX
Retail Price
NA
EPA MPG
16 mpg
Reliability Verdict
NA 
Owner Satisfaction
NA 
2012 Infiniti QX
Retail Price
NA
EPA MPG
16 mpg
Reliability Verdict
NA 
Owner Satisfaction
NA 
2011 Infiniti QX
Retail Price
NA
EPA MPG
16 mpg
Reliability Verdict
NA 
Owner Satisfaction
NA 

2004-2010

2004 Model Redesign Year
Infiniti's full-size SUV offers a luxurious interior with navigation as standard equipment. The V8 engine is smooth, powerful, and linked to a slick five-speed automatic transmission. The QX56 features an independent rear suspension system, and its handling is remarkably responsive for a vehicle this large and tall. However, ride quality is stiff and engine noise is quite pronounced. The interior is spacious, but the third-row seat is small. The 2008 model year brought some updates to the interior.
2010 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2009 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2008 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2007 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2006 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2005 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
2004 Infiniti QX
Retail Price
NA
EPA MPG
NA
Reliability Verdict
NA 
Owner Satisfaction
NA 
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Auto Test Center

Precision testing comes standard at our 327-acre auto test center.

TESTING LIKE NOBODY ELSE

50+

tests are conducted on every car we buy.

PERFORMANCE TESTING

6

miles of track for testing acceleration, ride, handling, braking, and advanced driver assist systems.

TIRE TESTING

400

tires tested a year for all-weather grip and rolling resistance.