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BMW 7-Series vs. Mercedes-Benz S-Class Fuel Economy (g/100m)

Chart is based on 156 fuel economy reports for the BMW 7-Series and 22 fuel economy reports for the Mercedes-Benz S-Class.

BMW 7-Series g/100m

BMW 7-Series BMW 7-Series 2014 6.1 MPG Highway Percentage 0 percent BMW 7-Series BMW 7-Series 2010 7.1 MPG Highway Percentage 5 percent BMW 7-Series BMW 7-Series 2009 6.1 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2008 5.3 MPG Highway Percentage 50 percent BMW 7-Series BMW 7-Series 2007 3.7 MPG Highway Percentage 80 percent BMW 7-Series BMW 7-Series 2006 4.8 MPG Highway Percentage 56 percent BMW 7-Series BMW 7-Series 2004 15.4 MPG Highway Percentage 10 percent BMW 7-Series BMW 7-Series 2003 4.8 MPG Highway Percentage 30 percent BMW 7-Series BMW 7-Series 2002 5.3 MPG Highway Percentage 20 percent BMW 7-Series BMW 7-Series 2001 4.9 MPG Highway Percentage 38 percent BMW 7-Series BMW 7-Series 2001 3.6 MPG Highway Percentage 75 percent BMW 7-Series BMW 7-Series 2000 6.4 MPG Highway Percentage 25 percent BMW 7-Series BMW 7-Series 2000 4.9 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 g/100m
2014 4dr Sedan, ext. turbocharged 315hp 3.0L I6
8-speed shiftable automatic AWD		 hills lead none 0 60 40 0 6.1  
2010 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD		 flat med hvy 10 10 75 5 80 7.1  
2009 4dr Sedan turbocharged 400hp 4.4L V8
6-speed shiftable automatic RWD		 flat med light 0 15 5 80 65 6.1  
2008 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 hills med light 20 10 20 50 75 5.3  
2007 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 flat light light 0 0 20 80 70 3.7  
2006 4dr Sedan 360-horsepower 4.8L V8
6-speed shiftable automatic RWD		 hills med hvy 6 26 12 56 72 4.8  
2004 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 hills med light 23 28 40 10 65 15.4  
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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 4.8  
2002 4dr Sedan 325-horsepower 4.4L V8
6-speed shiftable automatic RWD		 flat med light 0 50 30 20 75 5.3  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD		 hills med hvy 27 28 7 38 70 4.9  
2001 4dr Sedan 282-horsepower 4.4L V8
5-speed automatic RWD		 flat med light 10 10 5 75 75 3.6  
2000 4dr Sedan, ext. 326-horsepower 5.4L V12
5-speed shiftable automatic RWD		 hills med hvy 10 40 25 25 70 6.4  
2000 4dr Sedan 282-horsepower 4.4L V8
5-speed shiftable automatic RWD		 hills lead hvy 1 4 10 85 80 4.9  

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

Mercedes-Benz S-Class g/100m

Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 4.8 MPG Highway Percentage 45 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2007 4.0 MPG Highway Percentage 70 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.1 MPG Highway Percentage 98 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.3 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2006 4.3 MPG Highway Percentage 85 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 5.3 MPG Highway Percentage 47 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2004 4.2 MPG Highway Percentage 80 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 20.1 MPG Highway Percentage 68 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2003 5.7 MPG Highway Percentage 71 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2002 5.2 MPG Highway Percentage 29 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2001 47.3 MPG Highway Percentage 0 percent Mercedes-Benz S-Class Mercedes-Benz S-Class 2000 4.3 MPG Highway Percentage 82 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 g/100m
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD		 flat med none 5 15 35 45 62 4.8  
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic AWD		 flat light none 10 10 10 70 65 4.0  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
7-speed shiftable automatic RWD		 flat med hvy 1 1 0 98 78 4.1  
2006 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD		 flat light none 0 0 20 80 65 4.3  
2006 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD		 flat light hvy 0 15 0 85 60 4.3  
2004 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic AWD		 flat med none 1 45 8 47 80 5.3  
2004 4dr Sedan, ext. 275-horsepower 4.3L V8
7-speed shiftable automatic RWD		 flat med hvy 0 2 18 80 75 4.2  
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2003 4dr Sedan, ext. turbocharged 493hp 5.5L V12
5-speed shiftable automatic RWD		 flat light light 7 11 15 68 108 20.1  
2003 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD		 flat med hvy 6 12 12 71 70 5.7  
2002 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD		 flat med hvy 13 6 54 29 68 5.2  
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD		 flat med none 20 80 0 0 0 47.3  
2000 4dr Sedan, ext. 275-horsepower 4.3L V8
5-speed shiftable automatic RWD		 flat v.lt light 0 7 11 82 62 4.3  

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This page shows only averages. See all the Mercedes-Benz S-Class fuel economy data.

BMW 7-Series vs. Mercedes-Benz S-Class Fuel Economy (g/100m)

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 S-Class's where a car was driven. So you can get an idea of their real-world g/100m based on how and where you drive a car.

See TrueDelta's information for all Sedans
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 S-Class

Mercedes-Benz S-Class Real Gas Mileage: Pros
YearBody/PowertrainComment
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD		 Since my driving is about 50-50 city and highway, I average about 20-21 mpg, using premium fuel. All highway is 29-30mpg and all city is 14-15mpg. see full Mercedes-Benz S-Class review
2007 0 While on long trips at 70-80mph I average 32mpg around town it never goes better than 24mpg. Easy on the pedal sure shows results but fully loaded the thing shifts like a two door sports. see full Mercedes-Benz S-Class review
Mercedes-Benz S-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 4dr Sedan turbocharged 232hp 3.0L V6 Diesel
7-speed shiftable automatic RWD		 Very, very expensive see full Mercedes-Benz S-Class review
2007 4dr Sedan, ext. 382-horsepower 5.5L V8
7-speed shiftable automatic RWD		 Driving it in a lot of stop and go traffic it drinks gas. see full Mercedes-Benz S-Class review
2007 0 Fuel cost are a killer and servicing requires finding an allternative to the Mercedes Garage see full Mercedes-Benz S-Class review
2001 4dr Sedan, ext. 302-horsepower 5.0L V8
5-speed shiftable automatic RWD		 20l/100km but its still worth it see full Mercedes-Benz S-Class review