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BMW 6-Series vs. Mercedes-Benz CL-Class MPG

Chart is based on 11 fuel economy reports for the BMW 6-Series and 7 fuel economy reports for the Mercedes-Benz CL-Class.

BMW 6-Series MPG

BMW 6-Series BMW 6-Series 2014 18.0 MPG Highway Percentage 74 percent BMW 6-Series BMW 6-Series 2008 18.3 MPG Highway Percentage 27 percent BMW 6-Series BMW 6-Series 2006 26.4 MPG Highway Percentage 75 percent BMW 6-Series BMW 6-Series 2005 16.8 MPG Highway Percentage 15 percent BMW 6-Series BMW 6-Series 2005 19.5 MPG Highway Percentage 60 percent BMW 6-Series BMW 6-Series 2004 20.8 MPG Highway Percentage 70 percent BMW 6-Series BMW 6-Series 2004 24.0 MPG Highway Percentage 100 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 2dr Coupe turbocharged 445hp 4.4L V8
8-speed shiftable automatic RWD
flat lead light 5 11 11 74 70 18.0  
2008 2dr Convertible 360-horsepower 4.8L V8
6-speed shiftable automatic RWD
flat light hvy 45 9 18 27 60 18.3  
2006 2dr Convertible 255-horsepower 3.0L I6
6-speed manual RWD
flat med none 3 20 3 75 72 26.4  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat lead light 10 35 40 15 60 16.8  
2005 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD
flat lead hvy 0 0 40 60 80 19.5  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed shiftable automatic RWD
flat lead hvy 0 10 20 70 120 20.8  
2004 2dr Coupe 325-horsepower 4.4L V8
6-speed manual RWD
flat med none 0 0 0 100 120 24.0  

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This page shows only averages. See all the BMW 6-Series fuel economy data.

Mercedes-Benz CL-Class MPG

Mercedes-Benz CL-Class Mercedes-Benz CL-Class 2007 16.2 MPG Highway Percentage 30 percent Mercedes-Benz CL-Class Mercedes-Benz CL-Class 2007 18.5 MPG Highway Percentage 50 percent Mercedes-Benz CL-Class Mercedes-Benz CL-Class 2006 22.1 MPG Highway Percentage 55 percent Mercedes-Benz CL-Class Mercedes-Benz CL-Class 2002 18.8 MPG Highway Percentage 67 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
2007 2dr Coupe turbocharged 510hp 5.5L V12
5-speed shiftable automatic RWD
flat light none 5 10 55 30 60 16.2  
2007 2dr Coupe 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat light light 0 0 50 50 60 18.5  
2006 2dr Coupe 302-horsepower 5.0L V8
7-speed shiftable automatic RWD
hills med light 1 42 3 55 78 22.1  
2002 2dr Coupe 302-horsepower 5.0L V8
5-speed shiftable automatic RWD
flat light light 4 18 12 67 68 18.8  

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BMW 6-Series vs. Mercedes-Benz CL-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 6-Series and Mercedes-Benz CL-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 Coupes and Convertibles.
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 6-Series

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

Mercedes-Benz CL-Class Real Gas Mileage: Cons
YearBody/PowertrainComment
2007 2dr Coupe turbocharged 510hp 5.5L V12
5-speed shiftable automatic RWD
The vehicle acheives fuel economy of as low as 11 mpg and sometimes as high as 21 mpg on the highway with a light foot. see full Mercedes-Benz CL-Class review