Also expect to see the 242-hp 3.7L inline-5 and the new 295-hp 5.3L V8 from the H3 Alpha on the option sheet. We think the H3T will show up late next year as a 2009 model. Click over to ...

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 ...