We are 103,000+ car owners sharing real-world car information.

Join Us

Mercedes-Benz CLS vs. Porsche Cayenne Fuel Economy (km/L)

Chart is based on 4 fuel economy reports for the Mercedes-Benz CLS and 10 fuel economy reports for the Porsche Cayenne.

Mercedes-Benz CLS km/L

Mercedes-Benz CLS Mercedes-Benz CLS 2012 58.3 MPG Highway Percentage 90 percent Mercedes-Benz CLS Mercedes-Benz CLS 2009 60.0 MPG Highway Percentage 83 percent Mercedes-Benz CLS Mercedes-Benz CLS 2007 61.2 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
2012 4dr Sedan turbocharged 402hp 4.7L V8
7-speed shiftable automatic AWD
flat lead hvy 0 0 10 90 75 58.3  
2009 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med hvy 0 3 15 83 75 60.0  
2007 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med light 0 5 10 85 70 61.2  

Return to top

This page shows only averages. See all the Mercedes-Benz CLS 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  

Return to top

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

Mercedes-Benz CLS 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 Mercedes-Benz CLS 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 and Wagons.
See TrueDelta's information for all Mercedes-Benz models and Porsche models.

What Our Members Are Saying about the Real Gas Mileage of the Mercedes-Benz CLS

None of our members have yet commented on the real gas mileage of the Mercedes-Benz CLS.

Be the first!

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