Hummer H3 Gas Tank Sizes (2006 - 2010)

The Hummer H3 has a different sized gas tank based on year and model trim.

Larger sized gas tanks are advantageous because you don't need to go to the gas station as often. Also, you can take advantage of days when gas prices are discounted and fill up your vehicle with a larger quantity of gas.

Scroll down for the gas tank size tables for your year and trim.

Hummer H3 Gas Tank Sizes (2009 - 2010)
Year Trim Engine Gallons Liters
2010 5 Cyl. 4D 4WD 3.7L 23.0 87.1
2010 5 Cyl. 4D 4WD 3.7L 23.0 87.1
2010 5 Cyl. 4D Adventure 4WD 3.7L 23.0 87.1
2010 5 Cyl. 4D Adventure 4WD 3.7L 23.0 87.1
2010 5 Cyl. 4D Alpha 4WD (V8) 5.3L 23.0 87.1
2010 5 Cyl. 4D Alpha 4WD (V8) 5.3L 23.0 87.1
2010 5 Cyl. 4D Luxury 4WD 3.7L 23.0 87.1
2010 5 Cyl. 4D Luxury 4WD 3.7L 23.0 87.1
2010 T 5 Cyl. Crew Cab 4WD 3.7L 27.0 102.2
2010 T 5 Cyl. Crew Cab Adventure 4WD 3.7L 27.0 102.2
2010 T 5 Cyl. Crew Cab Luxury 4WD 3.7L 27.0 102.2
2010 T V8 Crew Cab Alpha 4WD 5.3L 27.0 102.2
2009 5 Cyl. SUV 4D 4WD 3.7L 23.0 87.1
2009 5 Cyl. SUV 4D Adventure 4WD 3.7L 23.0 87.1
2009 5 Cyl. SUV 4D Alpha 4WD (V8) 5.3L 23.0 87.1
2009 5 Cyl. SUV 4D Alpha X 4WD (V8) 5.3L 23.0 87.1
2009 5 Cyl. SUV 4D X 4WD 3.7L 23.0 87.1
2009 5 Cyl. SUV 4D Luxury 4WD 3.7L 23.0 87.1
2009 T 5 Cyl. Crew Cab 4WD 3.7L 27.0 102.2
2009 T 5 Cyl. Crew Cab Adventure 4WD 3.7L 27.0 102.2
2009 T 5 Cyl. Crew Cab Luxury 4WD 3.7L 27.0 102.2
2009 T V8 Crew Cab Alpha 4WD 5.3L 27.0 102.2
Hummer H3 Gas Tank Sizes (2007 - 2008)
Year Trim Engine Gallons Liters
2008 5 Cyl. 4WD SUV 4D 3.7L 23.0 87.1
2008 5 Cyl. 4WD SUV 4D Adventure 3.7L 23.0 87.1
2008 5 Cyl. 4WD SUV 4D Alpha (V8) 5.3L 23.0 87.1
2008 5 Cyl. 4WD SUV 4D Alpha X (V8) 5.3L 23.0 87.1
2008 5 Cyl. 4WD SUV 4D X 3.7L 23.0 87.1
2008 5 Cyl. 4WD SUV 4D Luxury 3.7L 23.0 87.1
2007 5 Cyl. 4WD SUV 4D 3.7L 23.0 87.1
2007 5 Cyl. 4WD SUV 4D Adventure 3.7L 23.0 87.1
2007 5 Cyl. 4WD SUV 4D X 3.7L 23.0 87.1
2007 5 Cyl. 4WD SUV 4D Luxury 3.7L 23.0 87.1
Hummer H3 Gas Tank Sizes (2006)
Year Trim Engine Gallons Liters
2006 5 Cyl. 4WD SUV 4D 3.5L 23.0 87.1
2006 5 Cyl. 4WD SUV 4D Adventure 3.5L 23.0 87.1
2006 5 Cyl. 4WD SUV 4D Luxury 3.5L 23.0 87.1

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Also, you can consult the vehicle's owner's manual.