Used 2025 Gmc Sierra 2500 HD Denali Ultimate

 17,384 miles
 Diesel
 Boulder, CO

$85,333

AI Analysis:

$82,988 average market price. 

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Key Features

Mileage

17,384 miles

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Onyx Black / Alpine Umber

Title

Clean

VIN

1GT4UXEY9SF253167

Contact Seller

Mi

Mike Maroone GMC

2460 48th Ct

Boulder, CO 80301

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$1,444 / month

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Dealer Description

Recent Arrival! 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. Onyx Black 2025 GMC Sierra 2024 RHD Crew Cab Duramax 6.6L V8 Turbodiesel Allison 10-Speed Automatic.

Features & Options

  • 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

Vehicle History Report

VIN: 1GT4UXEY9SF253167

Check this vehicle's history for accidents, service records, ownership, and more.

Seller Details

Listed 2/7/2026

View original listing
Mi

Mike Maroone GMC

2460 48th Ct

Boulder, CO 80301

Phone

720-713-**** Show number

Location

Contact Seller

Mi

Mike Maroone GMC

2460 48th Ct

Boulder, CO 80301

Financing Available

Pre-qualification takes just minutes. Compare multiple offers and save!

$1,444 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

Explore More Options