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Porsche Cayman vs. Mercedes-Benz B-Class MPG

Chart is based on 20 fuel economy reports for the Porsche Cayman and 10 fuel economy reports for the Mercedes-Benz B-Class.

Porsche Cayman MPG

Porsche Cayman Porsche Cayman 2008 21.8 MPG Highway Percentage 44 percent Porsche Cayman Porsche Cayman 2008 25.5 MPG Highway Percentage 75 percent Porsche Cayman Porsche Cayman 2007 21.0 MPG Highway Percentage 5 percent Porsche Cayman Porsche Cayman 2007 22.5 MPG Highway Percentage 45 percent Porsche Cayman Porsche Cayman 2007 22.3 MPG Highway Percentage 50 percent Porsche Cayman Porsche Cayman 2006 19.8 MPG Highway Percentage 47 percent Porsche Cayman Porsche Cayman 2006 18.5 MPG Highway Percentage 15 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
2008 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
flat med light 10 31 15 44 69 21.8  
2008 2dr Hatch 245-horsepower 2.7L H6
5-speed manual RWD
flat med light 0 0 25 75 70 25.5  
2007 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
flat med light 0 0 95 5 60 21.0  
2007 2dr Hatch 295-horsepower 3.4L H6
5-speed shiftable automatic RWD
flat med hvy 25 25 5 45 70 22.5  
2007 2dr Hatch 245-horsepower 2.7L H6
5-speed manual RWD
hills med light 0 14 36 50 73 22.3  
2006 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
flat lead none 14 15 24 47 70 19.8  
2006 2dr Hatch 295-horsepower 3.4L H6
5-speed shiftable automatic RWD
flat med none 0 85 0 15 60 18.5  

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This page shows only averages. See all the Porsche Cayman 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  

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Porsche Cayman 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 Cayman 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 Porsche models and Mercedes-Benz models.

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

Porsche Cayman Real Gas Mileage: Pros
YearBody/PowertrainComment
2008 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
It is better than I expected. I average roughly 23 miles with city and highway commuting on days I choose to take it to the office. On trips I can get 26 mpg, not stellar but not awful. see full Porsche Cayman review
2008 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
Fuel economy is reasonable relative to the car's performance - 20 mpg, plus or minus a couple depending on the balance of city versus highway driving. see full Porsche Cayman review
Porsche Cayman Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 2dr Hatch 295-horsepower 3.4L H6
6-speed manual RWD
It sucks if you are driving the car correctly. On the slab I can see 26 mpg. see full Porsche Cayman 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