Gas Mileage

2008 Hummer H3 4WD

Research and compare gas mileage for the 2008 Hummer H3 4WD

2008 Hummer Models

  1. H3 4WD
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There is more than one version of this model which have different gas mileage rates. You may select a version below to jump to that section:

Technical Brief (Automatic - 3.7L - 5 Cylinder)

Gas Mileage (EPA Estimated)

The figures below show what the EPA estimates drivers will experience for fuel economy in "real world" driving situations. This version of the H3 4WD gets up to 18 MPG on the highway, 14 MPG under city driving conditions, and an estimated combined rating of 15 MPG. Highway fuel economy is a full 29% better than city fuel economy.

Highway
18 MPG
Combined
15 MPG
City
14 MPG

Engine

Cylinders:
5
Valves Per Cylinder:
2
Displacement:
3.7 Liters
Guzzler:
No
Turbo:
No
Supercharged:
No
Fuel Type:
Regular

Gas Mileage (EPA Unadjusted)

The figures below show what the EPA observed for fuel economy in labratory tests. These mileages are not typical of "real world" driving fuel economy. In the lab, this version of the H3 4WD gets up to 24.20 MPG on the highway, 16.70 MPG under city driving conditions, and an estimated combined rating of 19.41 MPG. Labratory highway fuel economy is a full 45% better than city fuel economy.

Highway
24.20 MPG
Combined
19.41 MPG
City
16.70 MPG

Transmission

Type:
Automatic
Sub Type:
L4

Miscellaneous

Drive System:
Four Wheel Drive
Passenger Volume :
Unknown
Luggage Volume :
Unknown

Technical Brief (Manual - 3.7L - 5 Cylinder)

Gas Mileage (EPA Estimated)

The figures below show what the EPA estimates drivers will experience for fuel economy in "real world" driving situations. This version of the H3 4WD gets up to 18 MPG on the highway, 13 MPG under city driving conditions, and an estimated combined rating of 15 MPG. Highway fuel economy is a full 38% better than city fuel economy.

Highway
18 MPG
Combined
15 MPG
City
13 MPG

Engine

Cylinders:
5
Valves Per Cylinder:
2
Displacement:
3.7 Liters
Guzzler:
No
Turbo:
No
Supercharged:
No
Fuel Type:
Regular

Gas Mileage (EPA Unadjusted)

The figures below show what the EPA observed for fuel economy in labratory tests. These mileages are not typical of "real world" driving fuel economy. In the lab, this version of the H3 4WD gets up to 24.30 MPG on the highway, 16.30 MPG under city driving conditions, and an estimated combined rating of 19.13 MPG. Labratory highway fuel economy is a full 49% better than city fuel economy.

Highway
24.30 MPG
Combined
19.13 MPG
City
16.30 MPG

Transmission

Type:
Manual
Sub Type:
M5

Miscellaneous

Drive System:
Four Wheel Drive
Passenger Volume :
Unknown
Luggage Volume :
Unknown

Technical Brief (Automatic - 5.3L - 8 Cylinder)

Gas Mileage (EPA Estimated)

The figures below show what the EPA estimates drivers will experience for fuel economy in "real world" driving situations. This version of the H3 4WD gets up to 16 MPG on the highway, 13 MPG under city driving conditions, and an estimated combined rating of 14 MPG. Highway fuel economy is a full 23% better than city fuel economy.

Highway
16 MPG
Combined
14 MPG
City
13 MPG

Engine

Cylinders:
8
Valves Per Cylinder:
2
Displacement:
5.3 Liters
Guzzler:
No
Turbo:
No
Supercharged:
No
Fuel Type:
Regular

Gas Mileage (EPA Unadjusted)

The figures below show what the EPA observed for fuel economy in labratory tests. These mileages are not typical of "real world" driving fuel economy. In the lab, this version of the H3 4WD gets up to 21.70 MPG on the highway, 15.60 MPG under city driving conditions, and an estimated combined rating of 17.86 MPG. Labratory highway fuel economy is a full 39% better than city fuel economy.

Highway
21.70 MPG
Combined
17.86 MPG
City
15.60 MPG

Transmission

Type:
Automatic
Sub Type:
L4

Miscellaneous

Drive System:
Four Wheel Drive
Passenger Volume :
Unknown
Luggage Volume :
Unknown

Comparisions

2008 Sport Utility Vehicles 4WD

The title for most fuel efficient vehicle in the sport utility vehicles 4wd class in 2008 goes to the Mazda Tribute Hybrid 4WD with a combined EPA fuel economy rating of 28 miles per gallon. This MPG rating is a full 133% better than the worst in class vehicle, the Mercedes Benz G55 AMG.

Mazda Tribute Hybrid 4WD
28 MPG (Automatic - 2.3L - 4 Cylinder)
Mercury Mariner Hybrid 4WD
28 MPG (Automatic - 2.3L - 4 Cylinder)
Ford Escape Hybrid 4WD
28 MPG (Automatic - 2.3L - 4 Cylinder)
Volvo XC 70 AWD
17 MPG (Automatic - 3.2L - 6 Cylinder)
Chrysler Pacifica AWD
17 MPG (Automatic - 4.0L - 6 Cylinder)
Mitsubishi Endeavor AWD
17 MPG (Automatic - 3.8L - 6 Cylinder)
Jeep Wrangler 4WD
17 MPG (Automatic - 3.8L - 6 Cylinder)
Mercedes Benz G500
13 MPG (Automatic - 5.0L - 8 Cylinder)
Mercedes Benz ML63 AMG
12 MPG (Automatic - 6.2L - 8 Cylinder)
Mercedes Benz G55 AMG
12 MPG (Automatic - 5.4L - 8 Cylinder)
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