2011 GMC Sierra 3500HD III (GMT900, facelift 2011) Extended Cab Long Box: Car stereo and manual climate control panel with vents

Close-up view of a car's center console displaying a stereo system with FM radio, CD/AUX options, and manual climate control knobs with air vent grilles on both sides.

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: 2010 Volkswagen Passat Alltrack vs 2017 Golf VII, 2019 Suzuki Jimny IV vs 2007 Jeep Wrangler III Unlimited, 2024 Renault 5 E-Tech Electric vs 2016 Grand Scenic IV