Classic Buick GMC / Houston

Used · 5 seats

2025 GMC Sierra 2500HD Denali

DENALI · 4WD · STOCK TSF245320 · HOUSTON, TX

Advertised price$69,349

Est. $1,115/mo · 84 months · 8.99% APR · $0 down. On approved credit; before tax and licensing.

Odometer
44,838 mi
Drivetrain
4WD
Engine
Duramax 6.6L V8 Turbodiesel
Fuel
Diesel
Seats
5

In stock

Ask about this vehicle Call (281) 579-4300

Updated October 29, 2026

This 2025 GMC Sierra 2500HD Denali is in stock at Classic Buick GMC in Houston, TX. It shows 44,838 mi on the odometer, is finished in Downpour Metallic, is 4WD, and advertised at $69,349.

About this vehicle

This 2025 GMC Sierra 2500HD Denali is a diesel-powered, heavy-duty crew cab equipped for serious hauling and towing. It combines the efficiency of the Duramax 6.6L turbodiesel with premium interior appointments (Bose audio, technology package) and off-road capability (X31 package).

Best for: Buyers seeking a capable diesel pickup for towing and hauling with premium comfort features, low mileage, and strong off-road credentials in a crew cab format.

From Classic Buick GMC

No-Haggle, Transparent Pricing: We are a One-Price dealership—the price you see online is our absolute best price, with zero negotiation. Buy with confidence! This 2025 GMC Sierra 2500HD Denali in blue delivers premium capability with its Duramax 6.6L V8 turbodiesel engine, 10-speed automatic transmission, and 4WD performance.- Gooseneck/5th wheel prep package and trailer tire pressure monitors for serious hauling- Power-retractable assist steps with LED perimeter lighting- Bose premium sound system and SiriusXM with 360L trial subscription- Multicolor 15" head-up display and HD surround vision with trailer cameras- Heated and ventilated leather seats with power adjustmentsWell-equipped and ready to work, this Denali combines refinement with rugged capability for the demanding truck owner.

Estimate your payment

$1,115/ month (est.)$69,349 financed
$69,349
$0
$0

Loan term

Credit

Pick a band for a typical rate — nothing is checked, nothing is pulled.

8.99%

Band rates are Classic Buick GMC's configured lender rates. Estimate only, on approved credit; not a financing offer. Taxes, title, registration, and fees are not included. Actual rate and payment will vary.

Specifications

Powertrain & efficiency

Engine
Duramax 6.6L V8 Turbodiesel
Transmission
10-Speed Automatic
Drivetrain
4WD
Fuel
Diesel

Body & dimensions

Body
4D Crew Cab
Doors
4
Seats
5
Exterior
Downpour Metallic
Interior
Black

Identification

Year
2025
Make
GMC
Model
Sierra 2500HD
Trim
Denali
VIN
1GT4UREY1SF245320
Stock
TSF245320
Condition
Used

Features

  • 01Duramax 6.6L V8 Turbodiesel engine
  • 0210-Speed Automatic transmission
  • 034WD
  • 04Denali Reserve Package
  • 05Gooseneck/5th Wheel Prep Package
  • 06Hitch Package
  • 07X31 Off-Road Package
  • 08Bose Premium 7-Speaker Sound System
  • 09SiriusXM with 360L trial subscription
  • 1015-inch multicolor head-up display
  • 11HD surround vision
  • 12Power-retractable assist steps with LED perimeter lighting
  • 13Trailer tire pressure monitors

Common questions

Answered only from this vehicle’s feed and VIN-decode record
What is the fuel economy of a diesel GMC Sierra 2500HD?
The 2025 Sierra 2500HD Denali runs diesel fuel, which typically delivers superior efficiency compared to gas engines in heavy-duty trucks, though exact consumption depends on driving conditions and load.
Does this truck have all-wheel or four-wheel drive?
Yes, this 2025 GMC Sierra 2500HD Denali comes with 4WD, plus the X31 Off-Road Package for enhanced capability on rough terrain.
What warranty coverage remains on this used 2025 Sierra 2500HD?
This 2025 Sierra 2500HD is used with 44,838 miles. Some original factory coverage on powertrain and anti-corrosion may remain; contact the dealer to confirm exact remaining terms and duration.

Location & availability

In stock at Classic Buick GMC, Houston, TX.

The record

The details behind this vehicle.

This is the decoded record for this exact vehicle — not the model, not the trim, this serial number. Every figure below is computed from it or from vehicles physically on this lot.

VIN 1GT4UREY1SF245320CHECK DIGIT VALID

1GT

POS 1–3

World manufacturer

Assigned to GMC

4UREY

POS 4–8

Vehicle attributes

Decodes to Duramax 6.6L V8 Turbodiesel · 4D Crew Cab · 4WD

1

POS 9

Check digit

Validates the other sixteen

S

POS 10

Model year

2025

F

POS 11

Assembly plant

245320

POS 12–17

Serial number

This unit, and only this unit

SOURCE: VIN DECODE RECORDTHE SAME RECORD AI AGENTS READ

Miles per year

22,419

44,838 mi across 2 model years.

Estimated payment by credit band

Excellent$1,081/mo · 7.99% · 84 mo
Good$1,115/mo · 8.99% · 84 mo

With 0% down. Estimates only, on approved credit; not a financing offer.

Every figure here is computed from data tied to this VIN or to vehicles on this lot. Nothing is a market estimate we can’t show the inputs for.