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BMW X6 vs. Hummer H3 MPG

Chart is based on 11 fuel economy reports for the BMW X6 and 54 fuel economy reports for the Hummer H3.

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.

Hummer H3 MPG

Hummer H3 Hummer H3 2009 20.0 MPG Highway Percentage 0 percent Hummer H3 Hummer H3 2008 19.5 MPG Highway Percentage 50 percent Hummer H3 Hummer H3 2008 16.5 MPG Highway Percentage 30 percent Hummer H3 Hummer H3 2007 18.0 MPG Highway Percentage 43 percent Hummer H3 Hummer H3 2007 15.8 MPG Highway Percentage 21 percent Hummer H3 Hummer H3 2006 16.6 MPG Highway Percentage 49 percent Hummer H3 Hummer H3 2006 16.4 MPG Highway Percentage 55 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 SUV 295-horsepower 5.3L V8
4-speed automatic AWD w/low range
flat light hvy 0 100 0 0 0 20.0  
2008 4dr SUV 242-horsepower 3.7L I5
5-speed manual AWD w/low range
hills light light 0 50 0 50 55 19.5  
2008 4dr SUV 242-horsepower 3.7L I5
4-speed automatic AWD w/low range
flat light none 2 56 12 30 65 16.5  
2007 4dr SUV 242-horsepower 3.7L I5
5-speed manual AWD w/low range
hills med light 17 17 24 43 65 18.0  
2007 4dr SUV 242-horsepower 3.7L I5
4-speed automatic AWD w/low range
flat light light 16 27 36 21 60 15.8  
2006 4dr SUV 220-horsepower 3.5L I5
5-speed manual AWD w/low range
flat med none 2 31 18 49 68 16.6  
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
flat med light 10 19 16 55 68 16.4  

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This page shows only averages. See all the Hummer H3 fuel economy data.

BMW X6 vs. Hummer H3 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 Hummer H3'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 Hummer 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 Hummer H3

Hummer H3 Real Gas Mileage: Cons
YearBody/PowertrainComment
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
It could be better... Why no medium-duty diesel? see full Hummer H3 review
2006 4dr SUV 220-horsepower 3.5L I5
4-speed automatic AWD w/low range
I knew what I was getting into when I bought it. But come on, 14.8mg on the freeway? I would have bought an H2 if I knew that was going to happen. You have to drive like a grandpa to achieve 17mpg. i.e. - under 65 on the freeway. see full Hummer H3 review