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BMW 7-Series vs. Porsche Cayenne Fuel Economy (km/L)

Chart is based on 156 fuel economy reports for the BMW 7-Series and 10 fuel economy reports for the Porsche Cayenne.

BMW 7-Series km/L

BMW 7-Series BMW 7-Series 2014 38.3 MPG Highway Percentage 0 percent BMW 7-Series BMW 7-Series 2010 32.9 MPG Highway Percentage 5 percent BMW 7-Series BMW 7-Series 2009 38.7 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2008 44.7 MPG Highway Percentage 50 percent BMW 7-Series BMW 7-Series 2007 62.8 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2006 50.6 MPG Highway Percentage 56 percent BMW 7-Series BMW 7-Series 2004 28.5 MPG Highway Percentage 10 percent BMW 7-Series BMW 7-Series 2003 48.9 MPG Highway Percentage 30 percent BMW 7-Series BMW 7-Series 2002 44.7 MPG Highway Percentage 20 percent BMW 7-Series BMW 7-Series 2001 48.8 MPG Highway Percentage 38 percent BMW 7-Series BMW 7-Series 2001 64.7 MPG Highway Percentage 75 percent BMW 7-Series BMW 7-Series 2000 37.0 MPG Highway Percentage 25 percent BMW 7-Series BMW 7-Series 2000 47.7 MPG Highway Percentage 85 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 km/L
2014 4dr Sedan, ext. turbocharged 315hp 3.0L I6
8-speed shiftable automatic AWD		 hills lead none 0 60 40 0 38.3  
2010 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD		 flat med hvy 10 10 75 5 80 32.9  
2009 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD		 flat med light 0 15 5 80 65 38.7  
2008 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 hills med light 20 10 20 50 75 44.7  
2007 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 flat light light 0 0 20 80 70 62.8  
2006 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 hills med hvy 6 26 12 56 72 50.6  
2004 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 hills med light 23 28 40 10 65 28.5  
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2003 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 flat light none 45 20 5 30 60 48.9  
2002 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 flat med light 0 50 30 20 75 44.7  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD		 hills med hvy 27 28 7 38 70 48.8  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed automatic RWD		 flat med light 10 10 5 75 75 64.7  
2000 4dr Sedan, ext. 326-horsepower 5.4L V12
5-speed shiftable automatic RWD		 hills med hvy 10 40 25 25 70 37.0  
2000 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD		 hills lead hvy 1 4 10 85 80 47.7  

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This page shows only averages. See all the BMW 7-Series fuel economy data.

Porsche Cayenne km/L

Porsche Cayenne Porsche Cayenne 2010 44.7 MPG Highway Percentage 50 percent Porsche Cayenne Porsche Cayenne 2008 42.3 MPG Highway Percentage 35 percent Porsche Cayenne Porsche Cayenne 2006 37.1 MPG Highway Percentage 16 percent Porsche Cayenne Porsche Cayenne 2005 41.2 MPG Highway Percentage 75 percent Porsche Cayenne Porsche Cayenne 2004 38.1 MPG Highway Percentage 75 percent Porsche Cayenne Porsche Cayenne 2004 39.5 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 km/L
2010 4dr SUV 290-horsepower 3.6L V6
6-speed shiftable automatic AWD w/low range		 flat lead hvy 15 15 20 50 75 44.7  
2008 4dr SUV 385-horsepower 4.8L V8
6-speed shiftable automatic AWD w/low range		 hills med light 10 20 35 35 70 42.3  
2006 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range		 flat med none 27 34 23 16 70 37.1  
2005 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range		 flat med hvy 0 25 0 75 65 41.2  
2004 4dr SUV turbocharged 450hp 4.5L V8
6-speed shiftable automatic AWD w/low range		 flat med hvy 0 13 13 75 60 38.1  
2004 4dr SUV 340-horsepower 4.5L V8
6-speed shiftable automatic AWD w/low range		 flat med hvy 24 24 26 26 75 39.5  

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

BMW 7-Series vs. Porsche Cayenne Fuel Economy (km/L)

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 BMW 7-Series and Porsche Cayenne's where a car was driven. So you can get an idea of their real-world km/L based on how and where you drive a car.

See TrueDelta's information for all Sedans
See TrueDelta's information for all BMW models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the BMW 7-Series

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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