Recent Arrival! This vehicle is located at Mike Maroone Ford Longmont, 235 Alpine St, Longmont, CO 80501, please call (303) 776-2861 for more information.Clean CARFAX. CARFAX One-Owner. FREE DELIVERY ANYWHERE IN COLORADO, 6.6L Duramax turbo-diesel engine, 10-speed automatic transmission, four-wheel drive, Denali Ultimate trim, Onyx Black exterior, Alpine Umber interior, premium full-grain leather interior, heated and ventilated front seats, heated rear outboard seats, 16-way power front bucket seats, massage front seats, memory driver seat and mirrors, leather-wrapped heated steering wheel, premium GMC infotainment system, 13.4-inch touchscreen display, Google built-in compatibility, navigation system, Apple CarPlay, Android Auto, Bluetooth connectivity, Bose premium 12-speaker audio system, wireless charging, color driver information center, bed view camera, HD surround vision, trailer side blind zone alert, forward collision alert, automatic emergency braking, lane departure warning, lane keeping assist, front pedestrian braking, rear cross-traffic alert, front and rear park assist, adaptive cruise control, remote start, push-button start, power sunroof, power assist steps, power-folding heated trailer mirrors, spray-on bedliner, MultiPro tailgate, LED cargo area lighting, LED fog lamps, animated LED projector headlamps, roof marker lamps, chrome front recovery hooks, snow plow prep package, camper package, gooseneck/fifth-wheel prep package, skid plates, premium floor liners, rear sliding power window, trailer brake controller, integrated trailer technology package, vehicle trailering app, off-road suspension components, all-terrain tires, body color wheel arch moldings, 20-inch wheels, high idle switch, increased front GAWR, heavy-duty suspension, locking rear differential, wireless phone integration, OnStar capability, Wi-Fi hotspot capability, safety alert seat, buckle to drive system, stabilitrak with trailer sway control. Onyx Black 2026 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD