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- 2011 Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long Box
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- Audio system and climate control panel with wood trim
GMC2011 GMC Sierra 2500HD III (GMT900, facelift 2011) Extended Cab Long BoxClose-up showing a touchscreen audio system with FM, XM, and AUX options, flanked by wood trim, accompanied by dual-zone climate control knobs and buttons in a vehicle dashboard.
