This is GMC's version of the Chevy Silverado Z71 Plus concept also being shown here at SEMA. The template here is a regular Z71 off-road package Sierra, to which GMC has added Rancho shock absorbers and meatier off-road tires. StarGate Mobile provides a handy PC docking station for the center console, while GM provides every other accessory seen here. They're all available for purchase, other than the bed-mounted bike rack. It will be available, GM tells us, "soon."