2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Regular Cab Long Box: White heavy duty pickup truck with regular cab and long box, 4x4 drivetrain.

White heavy duty pickup truck seen from the side and rear, featuring a regular cab and an extended long box cargo bed, equipped with off-road 4x4 drivetrain.

View Dimensions of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Regular Cab Long Box

View 18 images of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Regular Cab Long Box

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