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Hummer H2 Gas Mileage (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 Hummer H2's real-world MPG based on how and where you drive a car.

Reported MPG

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If you are not a TrueDelta member, you can see only five Hummer H2 MPG averages for each powertrain. Log in or join us to see them all.

Hummer H2 Gas Mileage

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
2008 4dr SUV 393-horsepower 6.2L V8
6-speed shiftable automatic AWD w/low range
flat light none 5 5 71 19 60 14.0
  flat light light 0 90 0 10 70 12.3
  flat light none 0 50 30 20 62 13.4
  flat light light 0 90 0 10 70 13.0
  flat light none 0 50 30 20 62 12.4
2008 4dr SUV 393-horsepower 6.2L V8
6-speed shiftable automatic AWD w/low range
flat light none 1 57 26 16 65 13.0  
  Averages flat light none 1 57 26 16 65 13.0
With the 393-horsepower 6.2L V8 engine, 6-speed shiftable automatic transmission, and all-wheel drive w/low range, 2008 Hummer H2 fuel economy has been averaging 13.0 MPG (miles per gallon).

The 2008 Hummer H2s in this analysis were driven mostly in the city (about 57 percent of the miles driven). The rest of the miles were in the suburbs (26 percent), on the highway at an average speed of 65 miles per hour (16 percent), and in heavy traffic (1 percent).

In addition the average 2008 Hummer H2 in this analysis was driven on flat terrain with a light foot and the AC not used at all.
 
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
2005 4dr SUT 325-horsepower 6.0L V8
4-speed automatic AWD w/low range
hills light light 0 0 30 70 70 15.0
2005 4dr SUT 325-horsepower 6.0L V8
4-speed automatic AWD w/low range
hills light light 0 0 30 70 70 15.0  
  Averages hills light light 0 0 30 70 70 15.0
With the 393-horsepower 6.2L V8 engine, 6-speed shiftable automatic transmission, and all-wheel drive w/low range, the 2005 Hummer H2 has been averaging 15.0 MPG (miles per gallon).

The 2005 Hummer H2s in this analysis were driven mostly on the highway at an average speed of 70 miles per hour (about 70 percent of the miles driven). The rest of the miles were in the suburbs (30 percent), in heavy traffic (0 percent), and in the city (0 percent).

In addition the average 2005 Hummer H2 in this analysis was driven on hilly terrain with a light foot and the AC on only some of the time.
 
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
2003 4dr SUV 316-horsepower 6.0L V8
4-speed automatic AWD w/low range
flat light none 10 0 60 30 74 14.0
  flat light light 0 40 0 60 65 12.2
  flat light light 0 40 0 60 65 12.3
2003 4dr SUV 316-horsepower 6.0L V8
4-speed automatic AWD w/low range
flat light light 3 27 20 50 68 12.8  
  Averages flat light light 3 27 20 50 68 12.8
With the 393-horsepower 6.2L V8 engine, 6-speed shiftable automatic transmission, and all-wheel drive w/low range, 2003 Hummer H2 gas mileage has been averaging 12.8 MPG (miles per gallon).

The 2003 Hummer H2s in this analysis were driven mostly on the highway at an average speed of 68 miles per hour (about 50 percent of the miles driven). The rest of the miles were in the city (27 percent), in the suburbs (20 percent), and in heavy traffic (3 percent).

In addition the average 2003 Hummer H2 in this analysis was driven on flat terrain with a light foot and the AC on only some of the time.

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What Our Members Are Saying about the Real Hummer H2 MPG

Hummer H2 Fuel Economy: Cons
Year Body/Powertrain Comment
2005 4dr SUV 393-hp 6.2L V8 6-sp shiftable automatic AWD w/low range This is a true gas guzzler, the vehicle feels heavy and you have to stomp the pedal to accelerate.