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Mercedes-Benz CL-Class vs. Pontiac G8 MPG

Chart is based on 7 fuel economy reports for the Mercedes-Benz CL-Class and 201 fuel economy reports for the Pontiac G8.

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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Pontiac G8 MPG

Pontiac G8 Pontiac G8 2009 18.0 MPG Highway Percentage 61 percent Pontiac G8 Pontiac G8 2009 18.6 MPG Highway Percentage 68 percent Pontiac G8 Pontiac G8 2009 21.0 MPG Highway Percentage 30 percent Pontiac G8 Pontiac G8 2008 18.5 MPG Highway Percentage 52 percent Pontiac G8 Pontiac G8 2008 19.1 MPG Highway Percentage 69 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
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
hills lead light 10 14 16 61 75 18.0  
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat light light 3 21 9 68 63 18.6  
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med light 2 10 58 30 65 21.0  
2008 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
flat med none 10 21 16 52 75 18.5  
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
flat med none 0 0 31 69 60 19.1  

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This page shows only averages. See all the Pontiac G8 fuel economy data.

Mercedes-Benz CL-Class vs. Pontiac G8 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 Mercedes-Benz CL-Class and Pontiac G8'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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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
 

What Our Members Are Saying about the Real Gas Mileage of the Pontiac G8

Pontiac G8 Real Gas Mileage: Cons
YearBody/PowertrainComment
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed shiftable automatic RWD
Low teens in town, and 24mpg tops on the highway make this a less than ideal economy car. see full Pontiac G8 review
2009 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
The most MPGs I ever had was 25 and that was all highway driving at about 70. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Not bad mileage figures given the size of the car and the beast of an engine, but this is not a car for the hybrid set. see full Pontiac G8 review
2009 4dr Sedan 361-horsepower 6.0L V8
6-speed shiftable automatic RWD
Is very low in stop-and-go traffic. Gets better with time, I understand. see full Pontiac G8 review
2009 4dr Sedan 415-horsepower 6.2L V8
6-speed manual RWD
Average fuel economy 15 mpg in mixed driving. see full Pontiac G8 review
2008 4dr Sedan 256-horsepower 3.6L V6
5-speed shiftable automatic RWD
low 18 mpg city see full Pontiac G8 review