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BMW 7-Series vs. Mercedes-Benz B-Class MPG

Chart is based on 156 fuel economy reports for the BMW 7-Series and 10 fuel economy reports for the Mercedes-Benz B-Class.

BMW 7-Series MPG

BMW 7-Series BMW 7-Series 2014 16.3 MPG Highway Percentage 0 percent BMW 7-Series BMW 7-Series 2010 14.0 MPG Highway Percentage 5 percent BMW 7-Series BMW 7-Series 2009 16.5 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2008 19.0 MPG Highway Percentage 50 percent BMW 7-Series BMW 7-Series 2007 26.7 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2006 21.5 MPG Highway Percentage 56 percent BMW 7-Series BMW 7-Series 2004 20.9 MPG Highway Percentage 10 percent BMW 7-Series BMW 7-Series 2003 20.8 MPG Highway Percentage 30 percent BMW 7-Series BMW 7-Series 2002 19.0 MPG Highway Percentage 20 percent BMW 7-Series BMW 7-Series 2001 20.7 MPG Highway Percentage 38 percent BMW 7-Series BMW 7-Series 2001 27.5 MPG Highway Percentage 75 percent BMW 7-Series BMW 7-Series 2000 15.7 MPG Highway Percentage 25 percent BMW 7-Series BMW 7-Series 2000 20.3 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 MPG
2014 4dr Sedan, ext. turbocharged 315hp 3.0L I6
8-speed shiftable automatic AWD
hills lead none 0 60 40 0 16.3  
2010 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD
flat med hvy 10 10 75 5 80 14.0  
2009 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD
flat med light 0 15 5 80 65 16.5  
2008 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
hills med light 20 10 20 50 75 19.0  
2007 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
flat light light 0 0 20 80 70 26.7  
2006 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
hills med hvy 6 26 12 56 72 21.5  
2004 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
hills med light 23 28 40 10 65 20.9  
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2003 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat light none 45 20 5 30 60 20.8  
2002 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat med light 0 50 30 20 75 19.0  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD
hills med hvy 27 28 7 38 70 20.7  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed automatic RWD
flat med light 10 10 5 75 75 27.5  
2000 4dr Sedan, ext. 326-horsepower 5.4L V12
5-speed shiftable automatic RWD
hills med hvy 10 40 25 25 70 15.7  
2000 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD
hills lead hvy 1 4 10 85 80 20.3  

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This page shows only averages. See all the BMW 7-Series 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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BMW 7-Series 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 BMW 7-Series 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.

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See TrueDelta's information for all BMW models and Mercedes-Benz models.

What Our Members Are Saying about the Real Gas Mileage of the BMW 7-Series

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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