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Porsche 911 vs. Porsche Cayenne Fuel Economy (km/L)

Chart is based on 56 fuel economy reports for the Porsche 911 and 10 fuel economy reports for the Porsche Cayenne.

Porsche 911 km/L

Porsche 911 Porsche 911 2009 44.7 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2009 50.1 MPG Highway Percentage 78 percent Porsche 911 Porsche 911 2009 63.3 MPG Highway Percentage 90 percent Porsche 911 Porsche 911 2009 54.8 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2009 46.6 MPG Highway Percentage 50 percent Porsche 911 Porsche 911 2008 47.0 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2007 54.7 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2007 51.7 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2007 56.0 MPG Highway Percentage 85 percent Porsche 911 Porsche 911 2006 42.3 MPG Highway Percentage 34 percent Porsche 911 Porsche 911 2006 50.1 MPG Highway Percentage 80 percent Porsche 911 Porsche 911 2006 42.3 MPG Highway Percentage 35 percent Porsche 911 Porsche 911 2006 46.8 MPG Highway Percentage 66 percent Porsche 911 Porsche 911 2005 48.5 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2005 48.7 MPG Highway Percentage 23 percent Porsche 911 Porsche 911 2005 44.9 MPG Highway Percentage 70 percent Porsche 911 Porsche 911 2004 42.3 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2003 42.3 MPG Highway Percentage 50 percent Porsche 911 Porsche 911 2002 30.6 MPG Highway Percentage 70 percent Porsche 911 Porsche 911 2002 47.0 MPG Highway Percentage 30 percent Porsche 911 Porsche 911 2002 52.5 MPG Highway Percentage 40 percent Porsche 911 Porsche 911 2002 46.1 MPG Highway Percentage 10 percent Porsche 911 Porsche 911 2001 47.0 MPG Highway Percentage 25 percent Porsche 911 Porsche 911 2001 49.4 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 km/L
2009 2dr Coupe 385-horsepower 3.8L H6
7-speed automated manual RWD
flat med hvy 2 38 30 30 80 44.7  
2009 2dr Coupe 385-horsepower 3.8L H6
6-speed manual RWD
flat lead light 1 1 20 78 75 50.1  
2009 2dr Coupe 345-horsepower 3.6L H6
7-speed automated manual RWD
flat light none 0 10 0 90 75 63.3  
2009 2dr Coupe 345-horsepower 3.6L H6
6-speed manual RWD
flat v.lt none 5 20 50 25 70 54.8  
2009 2dr Convertible 385-horsepower 3.8L H6
6-speed manual RWD
flat med light 0 0 50 50 75 46.6  
2008 2dr Coupe 355-horsepower 3.8L H6
5-speed shiftable automatic RWD
flat med hvy 10 50 0 40 75 47.0  
2007 2dr Coupe turbocharged 480hp 3.6L H6
6-speed manual AWD
mtns lead hvy 5 25 40 30 70 54.7  
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2007 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD
flat med light 0 30 30 40 70 51.7  
2007 2dr Coupe 325-horsepower 3.6L H6
5-speed shiftable automatic RWD
flat lead hvy 5 0 10 85 75 56.0  
2006 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD
flat med light 5 32 29 34 65 42.3  
2006 2dr Coupe 325-horsepower 3.6L H6
6-speed manual RWD
flat med hvy 10 0 10 80 60 50.1  
2006 2dr Convertible 355-horsepower 3.8L H6
6-speed manual RWD
flat med light 0 5 60 35 75 42.3  
2006 2dr Convertible 355-horsepower 3.8L H6
6-speed manual AWD
flat med none 5 9 20 66 76 46.8  
2005 2dr Coupe 355-horsepower 3.8L H6
6-speed manual RWD
hills lead light 0 10 50 40 85 48.5  
2005 2dr Coupe 325-horsepower 3.6L H6
5-speed shiftable automatic RWD
flat med light 7 13 57 23 60 48.7  
2005 2dr Convertible 325-horsepower 3.6L H6
6-speed manual RWD
flat med light 0 10 20 70 60 44.9  
2004 2dr Coupe 345-horsepower 3.6L H6
6-speed manual RWD
flat med none 5 40 30 25 70 42.3  
2003 2dr Coupe turbocharged 450hp 3.6L H6
6-speed manual AWD
mtns med light 2 3 45 50 90 42.3  
2002 2dr Coupe turbocharged 450hp 3.6L H6
6-speed manual AWD
flat med none 5 15 10 70 60 30.6  
2002 2dr Coupe turbocharged 450hp 3.6L H6
5-speed shiftable automatic AWD
flat med hvy 35 35 0 30 70 47.0  
2002 2dr Coupe 320-horsepower 3.6L H6
6-speed manual RWD
flat v.lt none 10 20 30 40 65 52.5  
2002 2dr Convertible 320-horsepower 3.6L H6
6-speed manual AWD
hills med none 0 0 90 10 80 46.1  
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD
flat light light 0 5 70 25 80 47.0  
2001 2dr Coupe 300-horsepower 3.4L H6
6-speed manual RWD
flat med light 5 15 60 20 60 49.4  

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This page shows only averages. See all the Porsche 911 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.

Porsche 911 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 Porsche 911 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 Coupes and Convertibles.
See TrueDelta's information for all Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the Porsche 911

Porsche 911 Real Gas Mileage: Cons
YearBody/PowertrainComment
2001 2dr Coupe turbocharged 415hp 3.6L H6
5-speed shiftable automatic AWD
20mpg avg isnt the best see full Porsche 911 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