2007 GMC Sierra 2500HD III (GMT900) Extended Cab Long Box: Side view of white extended cab long box heavy-duty pickup with off-road wheels

Side profile of a white heavy-duty pickup truck featuring an extended crew cab and a long cargo bed, equipped with robust off-road wheels and classic full-size pickup design elements.

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

View 39 images of the 2007 GMC Sierra 2500HD III (GMT900) Extended Cab Long Box

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