Used 2025 Gmc Sierra Denali Ultimate

 20,971 miles
 Diesel
 Fond du Lac, WI

$78,997

AI Analysis:

$80,948 average market price. You save $1,951 (2%). 

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Key Features

Mileage

20,971 miles

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

10 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

Onyx Black / Brown

Title

Clean

VIN

1GT4UXEY8SF149379

Contact Seller

Le

Lenz Truck Center

536 S Seymour Street

Fond du Lac, WI 54935-4720

Financing Available

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$1,337 / month

  • Rates as low as 4.09% APR

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  • Same-day approval

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Dealer Description

This 2025 GMC Sierra 2500HD Denali Ultimate is finished in Onyx Black and equipped with a 4x4 drivetrain. With 20,971 miles, this heavy-duty pickup is available from Lenz Truck Center in Fond du Lac and is powered by a Duramax 6.6L V8 turbodiesel paired with a 10-speed automatic transmission, delivering exceptional towing capability, torque, and long-haul confidence. The Sierra 2500HD Denali Ultimate Onyx Black represents the pinnacle of GMCs heavy-duty lineup, combining serious capability with a refined, technology-forward driving experience. Its four-wheel-drive configuration supports confident operation in demanding conditions, while the Denali Ultimate trim elevates the interior with premium materials and advanced driver-assist systems designed for comfort during extended drives and work applications. This example is equipped with the Technology Package and the Gooseneck/5th Wheel Prep Package, supporting advanced trailering needs and enhanced driver awareness. Notable features include front seats with massage functionality, adaptive cruise control, and a 360-degree camera system to assist with maneuvering and trailering. A rearview camera mirror improves rear visibility, while Apple CarPlay and Android Auto integration support seamless smartphone connectivity. The power moonroof adds natural light to the cabin, and Goodyear Wrangler Trailrunner AT tires sized LT275/65R20 provide durable traction and a confident stance. This 2025 GMC Sierra 2500HD Denali Ultimate has a clean CARFAX history and includes remaining factory warranty coverage, with a 3-year or 36,000-mile factory bumper-to-bumper warranty and a 5-year or 60,000-mile factory powertrain warranty. Available now at Lenz Truck Center in Fond du Lac, this Sierra 2500HD Denali Ultimate delivers premium comfort, advanced technology, and uncompromising heavy-duty diesel capability.

Features & Options

  • Lane departure
  • Leather upholstery
  • Automatic temperature control
  • Emergency communication system
  • Power moonroof
  • Wireless phone connectivity
  • Parking sensors
  • Exterior parking camera front
  • Exterior parking camera left
  • Exterior parking camera right
  • Exterior parking camera rear
  • Front dual zone A/C
  • Gooseneck/5th Wheel Prep Package
  • Preferred Equipment Group 5SB
  • Snow Plow Prep/Camper Package
  • Technology Package
  • 12 Speakers
  • AM/FM radio: SiriusXM with 360L
  • Bose Premium Series 12-Speaker System
  • Radio: AM/FM w/Premium GMC Infotainment System

Vehicle History Report

VIN: 1GT4UXEY8SF149379

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

Seller Details

Listed 3/1/2026

View original listing
Le

Lenz Truck Center

536 S Seymour Street

Fond du Lac, WI 54935-4720

Phone

920-922-**** Show number

Location

Contact Seller

Le

Lenz Truck Center

536 S Seymour Street

Fond du Lac, WI 54935-4720

Financing Available

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

$1,337 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Powered by MyAutoLoan.

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