Thank you for visiting another one of Mazda Chevrolet Hyundai 112's online listings! Please continue for more information on this 2020 GMC Sierra 3500HD Denali with 49,981mi. This GMC includes: Optional Equipment: Safety and Security Video-feed rearview mirror Head-up display HD Surround Vision front mounted camera HD Surround Vision right side camera Pickup box camera HD Surround Vision left side camera Aerial view camera Convenience Locking rear under seat tray Diesel exhaust fluid (def) gauge Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF) Comfort Rubber front and rear floor mats Transmission Allison 10-Speed Automatic Transmission Allison 10-speed automatic Overdrive transmission Lock-up transmission Transmission electronic control Automatic Exterior and Appearance Non-metallic paint 5th wheel and gooseneck prep Gooseneck trailer hitch First-row sliding and tilting glass sunroof with express open/close activation sunshade Front license plate bracket GMC ProGrade Trailering System trailer tire pressure sensors Mechanical 12,250 lbs (5,557 Kgs) GVWR Capped Fuel Fill Powertrain and Mechanical Diesel Compression ignition system Dual alternator Dual lead acid batteries Engine block heater Engine retarder system Allison 10-speed automatic Heavy-duty front springs Snow plow provisions Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 445HP Duramax 6.6L V-8 Duramax V8 Intercooled turbo Exterior Power Sunroof First-row sliding and tilting glass sunroof with express open/close activation sunshade Front License Plate Kit Front license plate bracket Winter Grille Cover In-car Entertainment Kicker MultiPro Sound System 2 wireless speakers Additional Options Cargo Convenience Package Technology Package Auto-dimming rear view mirror Video-feed rearview mirror Head-up display HD Surround Vision front mounted camera HD Surround Vision right side camera HD Surround Vision left side camera HD Rear Vision Camera rear mounted camera HD Surround Vision rear mounted camera Aerial view camera Day/Night rearview mirror Denali Ultimate Package Preferred Equipment Group 5SA Off-road ride suspension Rancho shock absorbers Chrome grille Inclinometer Compass Service interval indicator Gooseneck/5th Wheel Package Trailer wiring harness 5th wheel and gooseneck prep Snow Plow Prep/camper Packagw Wtih Dual 220-Amp Alternators Heavy-duty front springs Snow plow provisions Fixed rear windshield Interior Bed View Camera Pickup box camera Auto-Dimming Inside Rearview Mirror with Camera Auto-dimming rear view mirror Video-feed rearview mirror HD Rear Vision Camera rear mounted camera Day/Night rearview mirror Rear Underseat Storage Locking rear under seat tray Console-Mounted Safe Locking floor console storage All-Weather Floor Liners Rubber front and rear floor mats Trailer Tire Pressure Monitor Sensors GMC ProGrade Trailering System trailer tire pressure sensors High Idle Switch Multicolor 15" Diagonal Head-Up Display Head-up display HD Surround Vision with 2 Trailer View Camera Provisions HD Surround Vision front mounted camera HD Surround Vision right side camera HD Surround Vision left side camera HD Surround Vision rear mounted camera Aerial view camera Jet Black Engine Duramax 6.6L Turbo-Diesel V8 Engine Front mounted engine Diesel Compression ignition system Longitudinal mounted engine Iron engine block Aluminum cylinder head Dual lead acid batteries Battery run down protection Engine retarder system Federal emissions Retained accessory power Diesel exhaust fluid (def) gauge Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF) Duramax 6.6L V-8 diesel direct injection, intercooled turbo, diesel, engine with 445HP Duramax 6.6L V-8 Duramax V8 Intercooled turbo Heavy-duty front springs Snow plow provisions Fixed rear windshield Dual 220-Amps Primary and 170-Amps Auxiliary Alternators Dual alternator Engine Block Heater Engine