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BMW X6 vs. Pontiac G8 MPG

Chart is based on 11 fuel economy reports for the BMW X6 and 201 fuel economy reports for the Pontiac G8.

BMW X6 MPG

BMW X6 BMW X6 2011 18.5 MPG Highway Percentage 29 percent BMW X6 BMW X6 2011 20.6 MPG Highway Percentage 40 percent BMW X6 BMW X6 2009 18.0 MPG Highway Percentage 100 percent BMW X6 BMW X6 2008 15.2 MPG Highway Percentage 17 percent BMW X6 BMW X6 2008 22.5 MPG Highway Percentage 60 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
2011 4dr SUV turbocharged 400hp 4.4L V8
8-speed shiftable automatic AWD
flat med hvy 21 29 21 29 65 18.5  
2011 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD
flat med light 11 15 35 40 90 20.6  
2009 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
flat med hvy 0 0 0 100 60 18.0  
2008 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
flat med light 13 47 23 17 107 15.2  
2008 4dr SUV turbocharged 232hp 3.0L I6 Diesel
6-speed shiftable automatic AWD
flat light light 15 20 5 60 70 22.5  

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This page shows only averages. See all the BMW X6 fuel economy data.

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.

BMW X6 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 BMW X6 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.

See TrueDelta's information for all SUVs
See TrueDelta's information for all BMW models and Pontiac models.

What Our Members Are Saying about the Real Gas Mileage of the BMW X6

BMW X6 Real Gas Mileage: Pros
YearBody/PowertrainComment
2011 4dr SUV turbocharged 300hp 3.0L I6
8-speed shiftable automatic AWD
Took trip from W. Mass to Montreal and back. 686 miles total, avg. speed- highway and some in city driving- 58.6 mph. Avg. fuel economy from trip computer reset at beginning of trip . 24.2 mpg. 4 pax with luggage- a/c on. Impressive. see full BMW X6 review
BMW X6 Real Gas Mileage: Cons
YearBody/PowertrainComment
2008 4dr SUV turbocharged 300hp 3.0L I6
6-speed shiftable automatic AWD
thirsty, 17 lt/100km city see full BMW X6 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