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Mercury Mountaineer vs. Infiniti QX MPG

Chart is based on 13 fuel economy reports for the Mercury Mountaineer and 7 fuel economy reports for the Infiniti QX.

Mercury Mountaineer MPG

Mercury Mountaineer Mercury Mountaineer 2007 21.0 MPG Highway Percentage 70 percent Mercury Mountaineer Mercury Mountaineer 2006 15.5 MPG Highway Percentage 10 percent Mercury Mountaineer Mercury Mountaineer 2006 17.8 MPG Highway Percentage 67 percent Mercury Mountaineer Mercury Mountaineer 2005 11.5 MPG Highway Percentage 5 percent Mercury Mountaineer Mercury Mountaineer 2004 18.6 MPG Highway Percentage 83 percent Mercury Mountaineer Mercury Mountaineer 2004 12.5 MPG Highway Percentage 10 percent Mercury Mountaineer Mercury Mountaineer 2002 16.7 MPG Highway Percentage 51 percent Mercury Mountaineer Mercury Mountaineer 2002 15.5 MPG Highway Percentage 20 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2007 4dr SUV 210-horsepower 4.0L V6
5-speed automatic RWD
flat light hvy 0 0 30 70 63 21.0  
2006 4dr SUV 292-horsepower 4.6L V8
6-speed automatic AWD
flat med none 1 1 88 10 75 15.5  
2006 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat med none 5 7 22 67 68 17.8  
2005 4dr SUV 239-horsepower 4.6L V8
5-speed automatic RWD
flat light hvy 10 80 5 5 70 11.5  
2004 4dr SUV 239-horsepower 4.6L V8
5-speed automatic AWD
flat v.lt none 0 7 10 83 60 18.6  
2004 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat med none 40 30 20 10 60 12.5  
2002 4dr SUV 239-horsepower 4.6L V8
5-speed automatic AWD
flat med hvy 21 16 13 51 75 16.7  
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2002 4dr SUV 210-horsepower 4.0L V6
5-speed automatic AWD
flat light light 0 40 40 20 60 15.5  

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Infiniti QX MPG

Infiniti QX Infiniti QX 2008 13.7 MPG Highway Percentage 44 percent Infiniti QX Infiniti QX 2006 17.4 MPG Highway Percentage 43 percent Infiniti QX Infiniti QX 2005 14.6 MPG Highway Percentage 48 percent
Year Body/Powertrain flat, hilly, or mountainousLand driving style: very light to "lead foot"Foot A/C use: none to heavyA/C constant stop and goTraf % many stops per mileCity % stop every mile or twoSub % fairly steady speedHwy % Hwy Spd MPG
2008 4dr SUV 320-horsepower 5.6L V8
5-speed automatic 4WD w/low range
flat med light 7 15 34 44 63 13.7  
2006 4dr SUV 315-horsepower 5.6L V8
5-speed automatic 4WD w/low range
flat v.lt none 57 0 0 43 100 17.4  
2005 4dr SUV 315-horsepower 5.6L V8
5-speed automatic 4WD w/low range
flat light light 15 33 3 48 97 14.6  

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This page shows only averages. See all the Infiniti QX fuel economy data.

Mercury Mountaineer vs. Infiniti QX MPG

Unlike other fuel economy surveys, TrueDelta's Real-World Gas Mileage Survey includes questions about how and where a car was driven. So you can get an idea of the Mercury Mountaineer and Infiniti QX's where a car was driven. So you can get an idea of their real-world MPG based on how and where you drive a car.

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See TrueDelta's information for all Mercury models and Infiniti models.

What Our Members Are Saying about the Real Gas Mileage of the Mercury Mountaineer

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What Our Members Are Saying about the Real Gas Mileage of the Infiniti QX

Infiniti QX Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr SUV 320-horsepower 5.6L V8
5-speed automatic 4WD w/low range
It is what it is....we get 15 MPG on average (4wd). I can get 17 on the highway. see full Infiniti QX review