GMC Logo2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box in Steel Gray Metallic: Side view of extended cab long box pickup truck with rugged design

Side view of extended cab long box pickup truck with rugged design

Side profile of a pickup truck featuring an extended cab, long cargo box, and rugged styling suited for heavy-duty tasks.

View Dimensions of the 2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box

View 38 images of the 2007 GMC Sierra 2500HD III (GMT900) Regular Cab Long Box

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