Used 2015 Gmc Sierra 2500 SLT

 293,655 miles
 Diesel
 St. George, UT

$19,993

AI Analysis:

$19,995 average market price. You save $2 (0%). 

View Full Analysis.

Key Features

Mileage

293,655 miles

Drivetrain

4WD

Engine

6.6L V8 Turbo

Transmission

6 Speed Automatic

Fuel Type

Diesel

MPG

N/A

Color

White / Gray

Title

Clean

VIN

1GT12ZE89FF146355

Contact Seller

Bl

Bluff Street Auto Brokers

321 S Bluff St

St. George, UT 84770

Financing Available

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

$338 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Powered by MyAutoLoan.

Curious what you can afford?

Avoid dealer markup and get straight to driving. Compare rates from multiple lenders instantly to ensure you’re getting the best deal possible.

Dealer Description

2015 GMC Sierra 2500 SLT 4WD with 6.6L Duramax Diesel and Allison Transmission! Long Bed with B&W Gooseneck Hitch! Drive home a powerful, reliable 2015 GMC Sierra 2500 SLT with the stout 6.6L V8 diesel and four-wheel drive – built for towing, hauling, and long highway runs. This SLT trim combines rugged capability with upscale comfort and tech features you'll use every day. Find this truck in St George, UT, priced to move – the best price available locally. Well-maintained and inspected for immediate driving confidence, this GMC Sierra 2500 SLT is ideal for contractors, outdoor enthusiasts, and anyone needing dependable diesel performance with refined amenities. Competitive financing options available and transparent vehicle history. Stop searching – this 2015 GMC Sierra 2500 SLT in St George, UT, offers the best price and the capability you need. Contact us to schedule a test drive and see firsthand why this diesel truck stands out.

Features & Options

  • Leather upholstery
  • Automatic temperature control
  • Emergency communication system
  • Wireless phone connectivity
  • Chrome wheels
  • Exterior parking camera rear
  • Front dual zone A/C
  • Auto-dimming rearview mirror
  • Split folding rear seat
  • Memory seat
  • Heated front seats
  • Perimeter/approach lights
  • V8; Turbo Dsl; 6.6L
  • Auto; 6-Spd Allison OD
  • 4WD
  • Z71 Off-Road Pkg
  • Duramax Plus Pkg
  • Hill Descent Control
  • Hill Start Assist Control
  • Traction Control
  • StabiliTrak

Vehicle History Report

VIN: 1GT12ZE89FF146355

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

Seller Details

Listed 2/28/2026

View original listing
Bl

Bluff Street Auto Brokers

321 S Bluff St

St. George, UT 84770

Phone

435-688-**** Show number

Location

Contact Seller

Bl

Bluff Street Auto Brokers

321 S Bluff St

St. George, UT 84770

Financing Available

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

$338 / month

  • Rates as low as 4.09% APR

  • Browse multiple offers

  • Same-day approval

Powered by MyAutoLoan.

Explore More Options