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

Join Us

Porsche Cayenne vs. Mercedes-Benz B-Class MPG

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

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  

Return to top

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

Mercedes-Benz B-Class MPG

Mercedes-Benz B-Class Mercedes-Benz B-Class 2013 28.3 MPG Highway Percentage 42 percent Mercedes-Benz B-Class Mercedes-Benz B-Class 2009 28.0 MPG Highway Percentage 25 percent Mercedes-Benz B-Class Mercedes-Benz B-Class 2008 29.4 MPG Highway Percentage 10 percent Mercedes-Benz B-Class Mercedes-Benz B-Class 2007 26.1 MPG Highway Percentage 20 percent Mercedes-Benz B-Class Mercedes-Benz B-Class 2006 47.0 MPG Highway Percentage 96 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
2013 4dr Hatch turbocharged 208hp 2.0L I4
7-speed automated manual FWD
hills light light 17 18 23 42 107 28.3  
2009 4dr Hatch 94-horsepower 1.5L I4
7-speed shiftable CVT FWD
flat light none 10 30 35 25 120 28.0  
2008 4dr Hatch turbocharged 193hp 2.0L I4
7-speed shiftable CVT FWD
flat light none 40 25 25 10 100 29.4  
2007 4dr Hatch 134-horsepower 2.0L I4
7-speed shiftable CVT FWD
flat med none 10 0 70 20 110 26.1  
2006 4dr Hatch turbocharged 138hp 2.0L I4 Diesel
7-speed shiftable CVT FWD
flat v.lt light 1 1 2 96 110 47.0  

Return to top

Porsche Cayenne vs. Mercedes-Benz B-Class 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 Porsche Cayenne and Mercedes-Benz B-Class'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 Porsche models and Mercedes-Benz models.

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
 

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

Mercedes-Benz B-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2009 4dr Hatch 134-horsepower 2.0L I4
7-speed shiftable CVT FWD
Awesome fuel economy if driven properly. I average 6.7L/100 km on highway and 8.2L/100 km in city, bring my combined fuel economy to 7.5L/100 km. see full Mercedes-Benz B-Class review