By Leftlane Staff
Tuesday, Jan 9th, 2007 @ 10:55 am

General Motors at the Detroit auto show revealed a prototype version of the Hummer H3 Open Top. The truck was first shown in concept form a year ago. GM’s continued development of the vehicle suggests production is likely at some point.

The H3 Open Top has a retractable canvas roof that can open partially to create a typical sunroof, or retract fully to create a convertible experience. When fully retracted, only a single cross-member remains behind the back seats. Gallery after the jump…

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