2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box: Extended cab long box pickup truck profile, 4x4 badge, silver color

Side view of an extended cab pickup truck with a long bed and 4x4 badge, displaying large wheels and a silver body with visible door and tailgate handles.

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

View 30 images of the 2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box

Popular Comparisons: 2022 Buick Enclave II vs 2021 Cadillac Escalade V ESV, 2022 Ford Focus IV Wagon vs 2024 Kuga III, 2003 BMW Z4 vs 1995 Z3