Used 2025 GMC Sierra HD for sale in Castle Rock

Seller description

Meet the 2025 GMC Sierra 2500HD Denali Ultimate, a premium heavy-duty truck engineered for those who demand capability without compromise. This Black powerhouse combines rugged performance with refined luxury, delivering the strength you need and the comfort you deserve on every journey. - Duramax 6.6L V8 Turbodiesel engine with 10-Speed Automatic transmission - 4WD system with 2-Speed Active Transfer Case and Hill Descent Control - Max Trailering Package for confident hauling and towing - Gooseneck/5th Wheel Prep Package for specialized towing applications - X31 Off-Road Package with advanced terrain management - HD Surround Vision with Bed View Camera and Trailer Camera Provisions - Multicolor 15" Diagonal Head-Up Display with customizable information - Power Sunroof with automatic operation and premium openness - 16-Way Power Driver Seat with lumbar support and heating/ventilation - Bose Premium Series 12-Speaker System with premium audio quality - Apple CarPlay and Android Auto integration with Wireless Phone Projection - Wireless Charging pad for device convenience - Signature Denali Ultimate Grille in Vadar Chrome with distinctive styling - Automatic Emergency Braking with Forward Collision Alert and Pedestrian Braking - Trailer Side Blind Zone Alert and Hitch Guidance with Hitch View The 2025 Sierra 2500HD Denali Ultimate showcases premium full-grain leather seat trim throughout the cabin, with heated and ventilated front seats to keep you comfortable in any climate. The 16-way power driver and passenger seats with lumbar support ensure you maintain proper posture during long workdays or extended drives. Heated rear outboard seats extend comfort to all passengers, while the split-folding rear seat design offers flexibility for both passengers and cargo. This truck is equipped with an advanced technology suite designed to simplify your driving experience. The Multicolor 15" Head-Up Display projects critical information directly into your line of sight, while the in-vehicle trailering system app and trailer viewing software put complete control of your towing operation at your fingertips. HD Surround Vision with multiple camera provisions lets you see your surroundings with confidence. Remote keyless entry, push button start, and universal home remote integration mean effortless access and control. The exterior reflects the Denali Ultimate's premium positioning with 20" Ultra-Bright Machined Aluminum wheels, a Spray-On Pickup Bedliner featuring the GMC logo, and distinctive signature grille styling. LED cargo area lighting, auto-dimming door mirrors with heating, and IntelliBeam automatic high-beam control enhance both functionality and appearance. Rain-sensing wipers and front fog lights ensure visibility in adverse conditions. Engineered for serious work, the Sierra 2500HD Denali Ultimate includes the Gooseneck/5th Wheel Prep Package and Max Trailering Package, making it ready for professional-grade towing applications. The 3.42 axle ratio, dual heavy-duty 70-amp batteries, 220-amp alternator, and block heater provide the robust foundation required for demanding tasks. Ultrasonic front and rear park assist, hitch guidance with hitch view, and trailer tire pressure monitor sensors provide the precise control you need when managing heavy loads. Safety remains a priority with dual front impact airbags, dual front side impact airbags, overhead airbags, and an occupant sensing system. Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert, and Forward Pedestrian Braking offer multiple layers of protection. The Electronic Stability Control and Buckle to Drive reminder keep occupants secure on every drive. We invite you to experience the 2025 GMC Sierra 2500HD Denali Ultimate firsthand. This premium heavy-duty truck represents the highest level of capability, comfort, and craftsmanship in its class. Visit our showroom to see the commanding presence and quality craftsmanship up close, and discoverGooseneck/5th Wheel Prep Package,Max Trailering Package,Preferred Equipment Group 5SB,Technology Package,X31 Off-Road Package,12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series 12-Speaker System,Radio: AM/FM w/Premium GMC Infotainment System,SiriusXM w/360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Heads-Up Display,Memory seat,Power driver seat,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open & Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power moonroof,Power Sunroof,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220-Amp Alternator,Block heater,Dual Heavy-Duty 70 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Heated door mirrors,IntelliBeam Automatic High Beam On/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Signature Denali Ultimate Grille in Vadar Chrome,Spray-On Pickup Bedliner w/GMC Logo,Turn signal indicator mirrors,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera w/2 Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front reading lights,Garage door transmitter,Genuine wood dashboard insert,Genuine wood door panel insert,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auto-Dimming Rear Camera Mirror,Leather steering wheel,Multicolor 15" Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions & Trailer Viewing Software,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front & Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,16-Way Power Driver Seat Adjuster w/Lumbar,16-Way Power Passenger Seat Adjuster w/Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver & Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver & Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance w/Hitch View,In-Vehicle Trailering System App,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 20" Ultra-Bright Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows w/Express Up/Down,Power Sliding Rear Window w/Defogger,Rain sensing wipers,Variably intermittent wipers,3.42 Axle Ratio