2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box: Pickup truck front and side view with extended cab and long box

Front and side perspective of a pickup truck featuring an extended cab and long cargo bed, with prominent grille, headlights, and alloy wheels visible.

View Dimensions of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box

View 24 images of the 2007 GMC Sierra 1500 III (GMT900) Extended Cab Long Box

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