The 007 H1 is fitted with a 500-horsepower turbo-diesel engine that was built in-house, offsetting its 6-piston brake package and a six-speed automatic transmission. To compare, the 2006 Hummer H1 ...

In 2006, The HUMMER H1 was offered as a heavily modified Alpha model. The HUMMER H1 Alpha model received up to 520 pound-feet of torque from a 6.6-liter Duramax turbo diesel engine. The higher ...