For extra power, the 2010 HUMMER H3T was also available with an Alpha trim model featuring a 5.3-liter Vortec V-8 engine mated with a four-speed automatic transmission. Producing 300 horsepower, the ...
300.0-hp, 5.3-liter, 8 Cylinder Engine (Flex Fuel Capability) Wondering which trim is right for you? Our 2010 Hummer H3T trim comparison will help you decide.
For extra power, the 2010 HUMMER H3T was also available with an Alpha trim model featuring a 5.3-liter Vortec V-8 engine mated with a four-speed automatic transmission. Producing 300 horsepower, the ...
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