6.6L DURAMAX V8 TURBODIESEL, 4X4, 6.75 FOOT BOX, SINGLE REAR WHEEL, NAVIGATION, MOONROOF, DUAL POWER HEATED AND COOLED FRONT BUCKET LEATHER SEATS, DENALI ULTIMATE PACKAGE--- DENALI BLACK DIAMOND EDITION--- GOOSENECK/5TH WHEEL PREP PACKAGE--- 5SA EQUIPMENT GROUP--- TECHNOLOGY PACKAGE--- SNOW PLOW PREP/CAMPER PACKAGE--- DRIVER ALERT PACKAGE I--- DRIVER ALERT PACKAGE II--- 3.42 REAR AXLE RATIO, HEADS-UP DISPLAY, BACKUP CAMERA, FOLLOWING DISTANCE INDICATOR, FORWARD COLLISION ALERT, FACTORY REMOTE START, 360 DEGREE CAMERA, LANE KEEPING ASSIST, HITCH GUIDANCE WITH HITCH VIEW, IN-VEHICLE TRAILERING SYSTEM APP, INTEGRATED BRAKE CONTROLLER, AUTOMATIC EMERGENCY BRAKING, BED VIEW CAMERA WITH 2 TRAILER CAMERA PROVISIONS, PROGRADE TRAILERING SYSTEM, REAR CROSS TRAFFIC ALERT, SAFETY ALERT SEAT, SPRAY IN BEDLINER, STEERING WHEEL CONTROLS, DUAL CLIMATE, REAR DEFROST, HEATED SECOND ROW SEATS, HEATED STEERING WHEEL, POWER SLIDING REAR WINDOW, BOSE SOUND SYSTEM, TOUCHSCREEN CONTROLS, KEYLESS ACCESS WITH PUSH BUTTON START, AUTOMATIC HEADLIGHTS, APPLE CARPLAY, ANDROID AUTO, VOICE RECOGNITION, BLUETOOTH HANDS-FREE, AUTOMATIC HIGH BEAM HEADLIGHTS, AUTOMATIC LOCKING REAR DIFFERENTIAL, POWER DEPLOYABLE RUNNING BOARDS, POWER FOLDING TRAILER TOW MIRRORS WITH BLIND SPOT MONITORING, WIRELESS CHARGING, GMC MULTIPRO TAILGATE, ULTRASONIC FRONT & REAR PARK ASSIST, 10 SPEED AUTOMATIC TRANSMISSION, COOPER DISCOVERER AT3 XLT LT275/65R20 TIRES, 20"" HIGH GLOSS BLACK PAINTED ALUMINUM WHEELS, SRW, 5 YEAR OR 60,000 FACTORY POWERTRAIN WARRANTY!!COME DOWN AND TAKE MB6556 FOR A TEST DRIVE TODAY 2021 GMC SIERRA 3500HD DENALI 4X4 CREW CAB 6.75 FT BOX 6.6L DURAMAX V8 TURBODIESEL!! VIEW OUR COMPLETE INVENTORY OF AROUND 800 VEHICLES AT www.LENZTRUCK.com .All of our vehicles are Lenz Certified by passing a rigorous 125 point inspection by our certified technicians. Each vehicle is prepped cosmetically and mechanically and ready to be delivered! We can ship your truck anywhere in the United States. Contact us to find out why Lenz Truck Center is selling a lot of trucks in a very different way. EXPECT TO BE IMPRESSED! We attempt to ensure every effort is made to assure the accuracy of these ads, however, errors may occur. We will do our best to keep all information current and accurate; however the dealership should be contacted for final pricing and availability. All prices are plus any applicable state taxes and service fees.