Classic Buick GMC / Houston

Used · 6 seats

2025 GMC Sierra 1500 SLT

SLT · 4WD · STOCK PSZ218773 · HOUSTON, TX

Advertised price$38,936

Est. $626/mo · 84 months · 8.99% APR · $0 down. On approved credit; before tax and licensing.

Odometer
42,100 mi
Drivetrain
4WD
Engine
EcoTec3 5.3L V8
Fuel economy
15 / 19 MPG
Seats
6

In stock

Ask about this vehicle Call (281) 579-4300

Updated October 29, 2026

This 2025 GMC Sierra 1500 SLT is in stock at Classic Buick GMC in Houston, TX. It shows 42,100 mi on the odometer, is finished in Onyx Black, is 4WD, and advertised at $38,936.

About this vehicle

This 2025 Sierra 1500 SLT combines V8 power with modern convenience tech. The 4WD setup handles varied terrain, while the crew cab offers room for passengers and cargo. At 42,100 miles with low-mileage pricing, it delivers capability without premium hours.

Best for: Buyers seeking a full-size crew cab truck for towing, work, and daily driving who value fuel-efficient V8 performance and integrated tech features like navigation and smartphone integration.

From Classic Buick GMC

The 2025 GMC Sierra 1500 SLT delivers the capability and comfort you need for work and life, wrapped in a sophisticated black exterior that commands respect on any road.- SiriusXM w/360L Trial Subscription- Apple CarPlay/Android Auto- Navigation System- Integrated Trailer Brake Controller- Remote Vehicle Starter System- Heated Driver & Front Outboard Passenger Seating- Power Front Passenger Windows w/Express Up/Down- 120-Volt Bed Mounted Power Outlet- HD Rear Vision Camera- Auto-dimming Rear-View Mirror- Lane Keep Assist w/Lane Departure Warning- Automatic Emergency Braking- Front Pedestrian Braking- Chrome Header & Chrome Grille Insert Bars- 18" Machined Aluminum Wheels

Estimate your payment

$626/ month (est.)$38,936 financed
$38,936
$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.

Buying guides for this vehicle

Specifications

Powertrain & efficiency

Engine
EcoTec3 5.3L V8
Transmission
10-Speed Automatic
Drivetrain
4WD
Fuel
Gasoline
Fuel economy
15 / 19 MPG

Body & dimensions

Body
4D Crew Cab
Doors
4
Seats
6
Exterior
Onyx Black
Interior
Black

Identification

Year
2025
Make
GMC
Model
Sierra 1500
Trim
SLT
VIN
1GTUUDED4SZ218773
Stock
PSZ218773
Condition
Used

Features

  • 01EcoTec3 5.3L V8 engine with 10-speed automatic transmission
  • 024WD drivetrain
  • 03Navigation system
  • 04Premium GMC infotainment audio with SiriusXM 360L trial subscription
  • 05Apple CarPlay and Android Auto integration
  • 06Heated driver and front outboard passenger seats
  • 07Integrated trailer brake controller
  • 08Lane keep assist with lane departure warning
  • 09Automatic emergency braking
  • 10HD rear vision camera with auto-dimming rear-view mirror
  • 11120-volt bed-mounted power outlet

Common questions

Answered only from this vehicle’s feed and VIN-decode record
What is the fuel economy on a 2025 Sierra 1500 with a V8?
This 2025 Sierra 1500 SLT achieves 15 mpg city and 19 mpg highway. Real-world consumption varies by driving conditions and load, especially when towing with the integrated trailer brake controller.
What tech features come with this Sierra 1500?
The 2025 Sierra 1500 SLT includes navigation, premium GMC infotainment audio, Apple CarPlay and Android Auto, SiriusXM 360L trial subscription, lane keep assist with departure warning, automatic emergency braking, and a 120-volt bed power outlet.

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 1GTUUDED4SZ218773CHECK DIGIT VALID

1GT

POS 1–3

World manufacturer

Assigned to GMC

UUDED

POS 4–8

Vehicle attributes

Decodes to EcoTec3 5.3L V8 · 4D Crew Cab · 4WD

4

POS 9

Check digit

Validates the other sixteen

S

POS 10

Model year

2025

Z

POS 11

Assembly plant

218773

POS 12–17

Serial number

This unit, and only this unit

SOURCE: VIN DECODE RECORDTHE SAME RECORD AI AGENTS READ

Miles per year

21,050

42,100 mi across 2 model years.

Estimated payment by credit band

Excellent$607/mo · 7.99% · 84 mo
Good$626/mo · 8.99% · 84 mo
Fair$781/mo · 12.99% · 72 mo
Rebuilding$736/mo · 16.99% · 72 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.