Used 2025 Gmc Sierra 2500 HD AT4

 40,185 miles
 Diesel
 Boulder, CO

$71,998

AI Analysis:

$71,544 average market price. 

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Key Features

Mileage

40,185 miles

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

Allison 10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Thunderstorm Gray / Jet Black

Title

Clean

VIN

1GT4UPEY3SF179678

Contact Seller

Mi

Mike Maroone GMC

2460 48th Ct

Boulder, CO 80301

Financing Available

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$1,219 / month

  • Rates as low as 4.09% APR

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Dealer Description

Clean CARFAX. CARFAX One-Owner. Thunderstorm Gray 2025 GMC Sierra 2500HD AT4 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel FREE DELIVERY ANYWHERE IN COLORADO, 4 WHEEL DRIVE, LEATHER SEATS, COOLED SEATS, LOCAL TRADE IN, COME TEST DRIVE!, SET YOUR TEST DRIVE APPOINTMENT TODAY, 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather. Proudly serving Longmont, Boulder, Denver, Loveland, Erie, Fort Collins, Thornton, Westminster, Lakewood, Broomfield, Golden, Brighton, and Greeley. Recent Arrival!

Features & Options

  • Power-Retractable Black Assist Steps
  • Pickup Box
  • AM/FM Stereo with Premium GMC Infotainment System
  • Dual Alternators
  • Trailer Tire Pressure Monitor Sensors
  • High Gloss Black Aluminum Wheels
  • Console-Mounted Safe
  • High Idle Switch
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 4SB
  • Sierra HD Pro Safety
  • Forward Collision Alert
  • Following Distance Indicator
  • Front Pedestrian Braking
  • IntelliBeam Automatic High Beam on/Off
  • Lane Departure Warning
  • Buckle to Drive
  • Automatic Emergency Braking
  • Safety Alert Seat
  • Rear Cross Traffic Alert

Vehicle History Report

VIN: 1GT4UPEY3SF179678

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!

$1,219 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Get pre-qualified

Powered by MyAutoLoan.

Explore More Options