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Ford Flex vs. Porsche Cayenne MPG

Chart is based on 390 fuel economy reports for the Ford Flex and 10 fuel economy reports for the Porsche Cayenne.

Ford Flex MPG

Ford Flex Ford Flex 2014 17.9 MPG Highway Percentage 45 percent Ford Flex Ford Flex 2013 18.7 MPG Highway Percentage 60 percent Ford Flex Ford Flex 2013 18.6 MPG Highway Percentage 37 percent Ford Flex Ford Flex 2012 23.6 MPG Highway Percentage 59 percent Ford Flex Ford Flex 2011 18.3 MPG Highway Percentage 28 percent Ford Flex Ford Flex 2011 22.5 MPG Highway Percentage 25 percent Ford Flex Ford Flex 2011 17.8 MPG Highway Percentage 10 percent Ford Flex Ford Flex 2010 20.1 MPG Highway Percentage 61 percent Ford Flex Ford Flex 2010 21.7 MPG Highway Percentage 48 percent Ford Flex Ford Flex 2010 21.4 MPG Highway Percentage 67 percent Ford Flex Ford Flex 2009 22.9 MPG Highway Percentage 62 percent Ford Flex Ford Flex 2009 17.3 MPG Highway Percentage 22 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
2014 4dr SUV 287-horsepower 3.5L V6
6-speed shiftable automatic AWD		 flat light none 0 55 0 45 110 17.9  
2013 4dr SUV turbocharged 365hp 3.5L V6
6-speed shiftable automatic AWD		 flat med hvy 10 20 10 60 70 18.7  
2013 4dr SUV 287-horsepower 3.5L V6
6-speed shiftable automatic FWD		 flat light hvy 5 0 58 37 75 18.6  
2012 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 flat med none 0 16 26 59 68 23.6  
2011 4dr SUV turbocharged 355hp 3.5L V6
6-speed shiftable automatic AWD		 flat med light 47 10 15 28 80 18.3  
2011 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 flat light none 0 25 50 25 75 22.5  
2011 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD		 flat light none 10 60 20 10 60 17.8  
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2010 4dr SUV turbocharged 355hp 3.5L V6
6-speed shiftable automatic AWD		 flat med none 6 10 23 61 73 20.1  
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 flat light none 5 23 25 48 66 21.7  
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD		 flat med none 0 33 0 67 100 21.4  
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 flat light light 2 13 23 62 70 22.9  
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic AWD		 hills med light 4 36 38 22 68 17.3  

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This page shows only averages. See all the Ford Flex fuel economy data.

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.

Ford Flex 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 Ford Flex 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.

See TrueDelta's information for all SUVs
See TrueDelta's information for all Ford models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the Ford Flex

Ford Flex Real Gas Mileage: Pros
YearBody/PowertrainComment
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 I am currently averaging 20 MPG overall with heavy highway use. For the size of vehicle I think that is rather reasonable. see full Ford Flex review
2010 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 1000 miles of ownership so far, 21-22 mpg in light suburb and highway driving, 24-25 mpg on 500 mile trip (fuel economy measured by calculating miles driven divided by gallons of fuel purchased). see full Ford Flex review
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 Only driven around town, mileage 16.6, have never had it on the open road. see full Ford Flex review
2009 4dr SUV 262-horsepower 3.5L V6
6-speed automatic FWD		 Very good for a 4500 lb vehicle. see full Ford Flex review
 

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