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Mercury Mountaineer vs. Porsche Cayenne MPG

Chart is based on 13 fuel economy reports for the Mercury Mountaineer and 10 fuel economy reports for the Porsche Cayenne.

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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Porsche Cayenne MPG

Porsche Cayenne Porsche Cayenne 2010 19.0 MPG Highway Percentage 50 percent Porsche Cayenne Porsche Cayenne 2008 18.0 MPG Highway Percentage 35 percent Porsche Cayenne Porsche Cayenne 2006 15.8 MPG Highway Percentage 16 percent Porsche Cayenne Porsche Cayenne 2005 17.5 MPG Highway Percentage 75 percent Porsche Cayenne Porsche Cayenne 2004 16.2 MPG Highway Percentage 75 percent Porsche Cayenne Porsche Cayenne 2004 16.8 MPG Highway Percentage 26 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
2010 4dr SUV 290-horsepower 3.6L V6
6-speed shiftable automatic AWD w/low range
flat lead hvy 15 15 20 50 75 19.0  
2008 4dr SUV 385-horsepower 4.8L V8
6-speed shiftable automatic AWD w/low range
hills med light 10 20 35 35 70 18.0  
2006 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range
flat med none 27 34 23 16 70 15.8  
2005 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range
flat med hvy 0 25 0 75 65 17.5  
2004 4dr SUV turbocharged 450hp 4.5L V8
6-speed shiftable automatic AWD w/low range
flat med hvy 0 13 13 75 60 16.2  
2004 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range
flat med hvy 24 24 26 26 75 16.8  

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This page shows only averages. See all the Porsche Cayenne fuel economy data.

Mercury Mountaineer vs. Porsche Cayenne 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 Porsche Cayenne'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 Porsche models.

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What Our Members Are Saying about the Real Gas Mileage of the Porsche Cayenne

Porsche Cayenne Real Gas Mileage: Pros
YearBody/PowertrainComment
2013 4dr SUV turbocharged 240hp 3.0L V6 Diesel
8-speed shiftable automatic AWD
33 mpg city and 35 mpg highway with cruise set at 73 mph see full Porsche Cayenne review
Porsche Cayenne Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr SUV 290-horsepower 3.6L V6
6-speed shiftable automatic AWD w/low range
Fuel economy is not as good as it could be. see full Porsche Cayenne review
2008 4dr SUV turbocharged 500hp 4.8L V8
6-speed shiftable automatic AWD w/low range
Not so good on Turbo see full Porsche Cayenne review
2004 4dr SUV turbocharged 450hp 4.5L V8
6-speed shiftable automatic AWD w/low range
Traditional suv type mileage. see full Porsche Cayenne review