Clean CARFAX. CARFAX One-Owner. FREE DELIVERY ANYWHERE IN COLORADO, 2025 GMC Sierra 2500HD Denali Ultimate, Four-Wheel Drive, Duramax 6.6L Turbo-Diesel V8 Engine, Allison 10-Speed Automatic Transmission, Onyx Black Exterior, Alpine Umber Interior, 20" Polished Aluminum Wheels, Power Assist Steps, Power Folding, Heated and Auto-Dimming Trailer Mirrors, LED Fog Lamps, LED Cargo Area Lighting, Spray-On Bedliner, Chrome Front Recovery Hooks, GMC MultiPro Tailgate, Power Sliding Rear Window, Roof Marker Lamps, Power Sunroof., Premium Denali Ultimate Leather Interior, 16-Way Power Front Bucket Seats, Heated and Ventilated Front Seats, Heated Rear Outboard Seats, 60/40 Split Folding Rear Bench Seat with Storage Package, Leather-Wrapped Steering Wheel, Driver Seat and Mirror Memory, 13.4" Diagonal Color Touchscreen, Premium GMC Infotainment System, Google Built-In Compatibility, Wireless Apple CarPlay and Android Auto, Bose Premium Series 12-Speaker Audio System, Head-Up Display, Wireless Phone Charging, Remote Start, Keyless Open and Start., Automatic Locking Rear Differential, Two-Speed Autotrac Transfer Case, Stabilitrak with Trailer Sway Control, Trailer Brake Controller, Integrated Trailer Hitch, Vehicle Trailering App, Trailer Side Blind Zone Alert, Bed View Camera, HD Surround Vision., Automatic Emergency Braking, Forward Collision Alert, Front Pedestrian Braking, Lane Departure Warning, Following Distance Indicator, Rear Cross Traffic Alert, Front and Rear Park Assist, Buckle to Drive, HD Surround Vision.. Onyx Black 2025 GMC Sierra 2500HD Denali Ultimate 4D Crew Cab Duramax 6.6L V8 Turbodiesel 10-Speed Automatic 4WD
This vehicle is located at Mike Maroone Ford Longmont, 235 Alpine St, Longmont, CO 80501, please call (303) 776-2861 for more information.
Used 2025 GMCSierra 2500 HD Denali Ultimate
- Diesel
- Exterior Color
- Onyx Black
- Interior Color
- Alpine Umber
- Odometer
- 17,384 miles
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- Duramax 6.6L V8 Turbodiesel
- VIN
- 1GT4UXEY9SF253167
- Stock Number
- MN45928
Included Packages & Accessories
- Gooseneck/5th Wheel Prep Package
- 12 Speakers
- AM/FM radio: SiriusXM with 360L
- Radio: AM/FM w/Premium GMC Infotainment System
- SiriusXM w/360L Trial Subscription
- Air Conditioning
- Automatic temperature control
- Front dual zone A/C
- Rear window defroster
- Heads-Up Display
- Memory seat
- Power driver seat
- Power steering
- Power windows
- Remote keyless entry
- Steering wheel mounted audio controls
- 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
- Pickup Box
- Brake assist
- Electronic Stability Control
- Lane Departure Warning System
- Auto High-beam Headlights
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Speed control
- 220-Amp Alternator
- Block heater
- Dual Heavy-Duty 70 Amp Battery
- Auto-dimming door mirrors
- Body Color Wheel Arch Moldings (LPO)
- Bumpers: body-color
- Front License Plate Kit
- GMC MultiPro Tailgate Step Lights (LPO)
- Heated door mirrors
- IntelliBeam Automatic High Beam On/Off
- Power door mirrors
- Rear step bumper
- Spray-On Pickup Bedliner w/GMC Logo
- Turn signal indicator mirrors
- 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
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front reading lights
- Garage door transmitter
- Genuine wood dashboard insert
- Genuine wood door panel insert
- Heated steering wheel
- Illuminated entry
- Inside Rearview Auto-Dimming Rear Camera Mirror
- Leather steering wheel
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Cam Provisions & Trailer Viewing Software
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- 16-Way Power Driver Seat Adjuster w/Lumbar
- 16-Way Power Passenger Seat Adjuster w/Lumbar
- Front Center Armrest
- Full Grain Leather Seat Trim
- Heated Driver & Front Outboard Passenger Seats
- Heated front seats
- Heated rear seats
- Power passenger 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
- Alloy wheels
- Wheels: 20" Ultra-Bright Machined Aluminum
- Power Front Passenger Windows w/Express Up/Down
- Power Sliding Rear Window w/Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.42 Axle Ratio
- FREE DELIVERY ANYWHERE IN COLORADO
- 2025 GMC Sierra 2500HD Denali Ultimate Four-Wheel Drive Duramax 6.6L Turbo-Diesel V8 Engine Allison 10-Speed Automatic Transmission Onyx Black Exterior Alpine Umber Interior 20" Polished Aluminum Wheels Power Assist Steps Power Folding Heated and Auto-Dimming Trailer Mirrors LED Fog Lamps LED Cargo Area Lighting Spray-On Bedliner Chrome Front Recovery Hooks GMC MultiPro Tailgate Power Sliding Rear Window Roof Marker Lamps Power Sunroof.
- Premium Denali Ultimate Leather Interior 16-Way Power Front Bucket Seats Heated and Ventilated Front Seats Heated Rear Outboard Seats 60/40 Split Folding Rear Bench Seat with Storage Package Leather-Wrapped Steering Wheel Driver Seat and Mirror Memory 13.4" Diagonal Color Touchscreen Premium GMC Infotainment System Google Built-In Compatibility Wireless Apple CarPlay and Android Auto Bose Premium Series 12-Speaker Audio System Head-Up Display Wireless Phone Charging Remote Start Keyless Open and Start.
- Automatic Locking Rear Differential Two-Speed Autotrac Transfer Case Stabilitrak with Trailer Sway Control Trailer Brake Controller Integrated Trailer Hitch Vehicle Trailering App Trailer Side Blind Zone Alert Bed View Camera HD Surround Vision.
- Automatic Emergency Braking Forward Collision Alert Front Pedestrian Braking Lane Departure Warning Following Distance Indicator Rear Cross Traffic Alert Front and Rear Park Assist Buckle to Drive HD Surround Vision.
- Preferred Equipment Group 5SB
- Technology Package
- X31 Off-Road Package
- Bose Premium Series 12-Speaker System
- Steering Wheel Audio Controls
- Electric Rear-Window Defogger
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Push Button Start
- Remote Vehicle Starter System
- Universal Home Remote
- Manual Tilt-Wheel/Telescoping Steering Column
- Off-Road Suspension
- Power Sunroof
- Hill Descent Control
- Unauthorized Entry Theft-Deterrent System
- 2-Speed Active Transfer Case
- LED Cargo Area Lighting
- LED Smoked Amber Roof Marker Lamps
- Rear Wheelhouse Liners
- Signature Denali Ultimate Grille in Vadar Chrome
- 2 Charge-Only Rear USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- 2 USB Ports
- Floor-Mounted Center Console
- HD Surround Vision
- Multicolor 15" Diagonal Head-Up Display
- OnStar Services Capable
- Rear Cross Traffic Alert
- Trailer Side Blind Zone Alert
- Wireless Charging
- Wireless Phone Projection
- Front Bucket Seats
- Heated 2nd Row Outboard Seats
- Safety Alert Seat
- Trailer Tire Pressure Monitor Sensors
- Deep-Tinted Glass
- Front Rain-Sensing Wipers
Detailed Specifications
- 1st and 2nd row curtain head airbags
- 4-wheel ABS Brakes
- ABS and Driveline Traction Control
- Adaptive cruise control
- Aluminum center console trim
- Aluminum/genuine wood dash trim
- Aluminum/genuine wood door trim
- Anti-theft alarm system
- Audio controls on steering wheel
- Automatic front air conditioning
- Auxilliary engine cooler
- Auxilliary transmission cooler
- Bluetooth wireless phone connectivity
- Braking Assist
- Bucket front seats
- Climate Controlled : Driver and passenger heated
- Compass
- Cruise controls on steering wheel
- Daytime running lights
- Digital Audio Input
- Driver seat memory
- Dual front air conditioning zones
- Dual illuminated vanity mirrors
- Electrochromatic auto-dimming mirrors
- Electrochromatic rearview mirror
- Engine block heater
- Express open/close glass sunroof
- External temperature display
- Fold-up cushion rear seats
- Front Ventilated disc brakes
- Front and rear reading lights
- Front fog/driving lights
- Heated driver mirror
- Heated passenger mirror
- Heated steering wheel
- Intercooled Turbo
- Leather seat upholstery
- Leather steering wheel trim
- Machined aluminum rims w/ painted accents
- Memorized Settings for 2 drivers
- Memorized Settings including door mirror(s)
- OnStar
- Passenger Airbag
- Power extendable trailer style exterior mirrors
- Power remote driver mirror adjustment
- Power remote passenger mirror adjustment
- Power retractable mirrors
- Power windows
- Premium GMC Infotainment System
- Privacy glass: Deep
- Rear seats center armrest
- Remote Engine Start : Keyfob remote start
- Remote power door locks
- Remote window operation
- Side airbag
- SiriusXM with 360L AM/FM/Satellite Radio
- SiriusXM with 360L Satellite Radio
- Speed-proportional power steering
- Split rear bench
- Stability controll with anti-roll
- Surround Audio
- Suspension class: Off-road
- Tachometer
- Tilt and telescopic steering wheel
- Total Number of Speakers: 12
- Trailer hitch
- Trip computer
- Turn signal in mirrors
- Urethane shift knob trim
- Video Monitor Location: Front
- Wheel Diameter: 20
- Wheel Width: 8.5
Standard Features
- Technology Package
- Safety Alert Seat
- Rear Cross Traffic Alert
- Trailer Side Blind Zone Alert
- Wireless Phone Projection
- Bose Premium Series 12-Speaker System
- Floor-Mounted Center Console
- Electric Rear-Window Defogger
- Push Button Start
- Remote Vehicle Starter System
- OnStar Services Capable
- 120-Volt Instrument Panel Power Outlet
- 120-Volt Bed Mounted Power Outlet
- 2 Charge-Only Rear USB Ports
- 2 USB Ports
- 2 Charge/Data USB Ports Inside Center Console
- HD Surround Vision
- Heated 2nd Row Outboard Seats
- Deep-Tinted Glass
- Signature Denali Ultimate Grille in Vadar Chrome
- Steering Wheel Audio Controls
- LED Smoked Amber Roof Marker Lamps
- LED Cargo Area Lighting
- Manual Tilt-Wheel/Telescoping Steering Column
- Power Sunroof
- Unauthorized Entry Theft-Deterrent System
- Universal Home Remote
- Wireless Charging
- Rear Wheelhouse Liners
- Front Rain-Sensing Wipers
- X31 Off-Road Package
- Trailer Tire Pressure Monitor Sensors
- 2-Speed Active Transfer Case
- Driver Memory
- Hill Descent Control
- Off-Road Suspension
- Multicolor 15" Diagonal Head-Up Display
Dealer Notes
GENERAL: Options, final pricing, photographs, vehicle availability and its specifications are subject to change at any time and without notice to correct errors or as a result of changing market conditions. New vehicles prices reflect current manufacturer's applicable and eligible customer rebates which include manufacturer rebates or offers and manufacturer captive lender down payment assistance. Leases differ in factory incentives. See Mike Maroone Auto for eligibility. Availability of rebates or other incentives, is subject to restrictions including, without limitation, geographic limitations. Please contact Mike Maroone Auto for most up-to-date vehicle pricing, payment, equipment, availability, photographs, eligible customer rebate information and more.
PRICING: Vehicle pricing includes all offers and incentives and dealer's delivery and handling fee of $795. Prices do not include government fees, taxes, finance charges, or transportation costs. Additional taxes apply when choosing 'Free Delivery'. Monthly payment calculator is an estimate only. EPA Estimates Only. All payments and prices are With Approved Credit. While every reasonable effort has been made to ensure display of accurate data, vehicle listings within this website may not always reflect accurate vehicle information.
TEXT OPT-IN: By providing a phone number when requesting more information or filling out a contact form on this web site, you agree to be opted-in to receive text message communications on behalf of our employees and representatives. You may opt-out of these communications at any time.
MERCHANDISING: Every effort is made to produce actual vehicle photos but is not always possible. Please contact a Mike Maroone Auto representative for current images.
No mobile information will be shared with third parties/affiliates for marketing/promotional purposes. All the above categories exclude text messaging originator opt-in data and consent; this information will not be shared with any third parties.