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BMW 6-Series vs. Porsche Cayenne MPG

Chart is based on 11 fuel economy reports for the BMW 6-Series and 10 fuel economy reports for the Porsche Cayenne.

BMW 6-Series MPG

BMW 6-Series BMW 6-Series 2014 18.0 MPG Highway Percentage 74 percent BMW 6-Series BMW 6-Series 2008 18.3 MPG Highway Percentage 27 percent BMW 6-Series BMW 6-Series 2006 26.4 MPG Highway Percentage 75 percent BMW 6-Series BMW 6-Series 2005 16.8 MPG Highway Percentage 15 percent BMW 6-Series BMW 6-Series 2005 19.5 MPG Highway Percentage 60 percent BMW 6-Series BMW 6-Series 2004 20.8 MPG Highway Percentage 70 percent BMW 6-Series BMW 6-Series 2004 24.0 MPG Highway Percentage 100 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 2dr Coupe turbocharged 445hp 4.4L V8
8-speed shiftable automatic RWD		 flat lead light 5 11 11 74 70 18.0  
2008 2dr Convertible 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 flat light hvy 45 9 18 27 60 18.3  
2006 2dr Convertible 255-horsepower 3.0L I6
6-speed manual RWD		 flat med none 3 20 3 75 72 26.4  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 flat lead light 10 35 40 15 60 16.8  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD		 flat lead hvy 0 0 40 60 80 19.5  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 flat lead hvy 0 10 20 70 120 20.8  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD		 flat med none 0 0 0 100 120 24.0  

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This page shows only averages. See all the BMW 6-Series 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.

BMW 6-Series 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 BMW 6-Series 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 Coupes and Convertibles.
See TrueDelta's information for all BMW 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