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BMW 6-Series vs. Mercedes-Benz CLS MPG

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Chart is based on 11 fuel economy reports for the BMW 6-Series and 4 fuel economy reports for the Mercedes-Benz CLS.

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 CLS MPG

Mercedes-Benz CLS Mercedes-Benz CLS 2012 24.8 MPG Highway Percentage 90 percent Mercedes-Benz CLS Mercedes-Benz CLS 2009 25.5 MPG Highway Percentage 83 percent Mercedes-Benz CLS Mercedes-Benz CLS 2007 26.0 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
2012 4dr Sedan turbocharged 402hp 4.7L V8
7-speed shiftable automatic AWD
flat lead hvy 0 0 10 90 75 24.8  
2009 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med hvy 0 3 15 83 75 25.5  
2007 4dr Sedan 382-horsepower 5.5L V8
7-speed shiftable automatic RWD
flat med light 0 5 10 85 70 26.0  

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

BMW 6-Series vs. Mercedes-Benz CLS 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 CLS'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.

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

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