Used

2023 GMC Sierra 1500 AT4

AT4 · 4WD · STOCK TPG321182 · HOUSTON, TX

Advertised price

US$55,320

est. US$887/mo · 84 mo · 8.90% APR · US$0 down

Odometer

4,632 mi

Drivetrain

4WD

Engine

EcoTec3 6.2L V8

Fuel economy

14 / 17 MPG

UPDATED OCTOBER 23, 2026

This 2023 GMC Sierra 1500 AT4 is in stock at Classic Buick GMC in Houston, TX. It shows 4,632 mi on the odometer, is finished in Summit White, is 4WD, and advertised at US$55,320.

About this vehicle

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 2023 GMC Sierra 1500 AT4 in crisp white delivers commanding presence with genuine capability. With just over 4,600 miles, this crew cab short box combines the power of an EcoTec3 6.2L V8 with premium Jet Black leather accented in Kalahari, creating a truck that's equally at home on the job site or in town.- Power Sunroof- AT4 Premium Package- MultiPro Tailgate Step Lights (LPO)- Cat-Back Performance Exhaust (LPO)- Technology Package with Navigation- GMC MultiPro Audio System by Kicker (LPO)- Heated and Ventilated Front Seats- Wireless Charging and Apple CarPlay/Android Auto- Automatic Emergency Braking with Lane Keep Assist- HD Surround Vision and Rear Camera MirrorThe Sierra AT4 comes equipped with a 10-speed automatic transmission and 4WD standard, paired with all-terrain capabilities including off-road suspension and hill descent control. Inside, 10-way power adjustable front seats with lumbar support keep you comfortable, while the head-up display projects vital information directly into your line of sight. Technology keeps you connected with OnStar capabilities, SiriusXM satellite radio, and wireless phone projection.We invite you to experience this Sierra 1500 AT4 firsthand—your one true price is waiting.

Estimate your payment

US$887/ month (est.)US$55,320 financed

Vehicle priceUS$55,320

Down paymentUS$0

Trade-in valueUS$0

Loan term

Credit

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

Or set the rate yourself (APR)8.90%

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: EcoTec3 6.2L V8
Transmission: 10-Speed Automatic
Drivetrain: 4WD
Fuel: Gasoline
Fuel economy: 14 / 17 MPG

Body & dimensions

Body: 4D Crew Cab
Doors: 4
Exterior: Summit White
Interior: Jet Black With Kalahari Accents

Identification

Year: 2023
Make: GMC
Model: Sierra 1500
Trim: AT4
VIN: 3GTUUEEL8PG321182
Stock: TPG321182
Condition: Used

Features

01Navigation System
02AT4 Preferred Package
03AT4 Premium Package
04Cargo Convenience Package
05Preferred Equipment Group 4SB
06Technology Package
07Trailering Package
082 USB Ports
097 Speakers
10AM/FM radio
11MultiPro Audio System by Kicker (LPO)
12Premium audio system: GMC Infotainment System
13Premium Bose 7-Speaker Sound System
14Radio data system
15Radio: Premium GMC Infotainment Audio System
16SiriusXM w/360L
17Steering Wheel Audio Controls
18Air Conditioning
19Automatic temperature control
20Electric Rear-Window Defogger
21Front dual zone A/C
22Rear window defroster
23120-Volt Bed Mounted Power Outlet
24120-Volt Instrument Panel Power Outlet
25Driver Memory
26Memory seat
27Power driver seat
28Power Front Passenger Windows w/Express Up/Down
29Power Front Windows w/Driver Express Up/Down
30Power Rear Windows w/Express Down
31Power steering
32Power windows
33Push Button Start
34Remote keyless entry
35Remote Vehicle Starter System
36Steering wheel mounted audio controls
37Universal Home Remote
38Auto-Locking Rear Differential
39Off-Road Suspension
40Power Rake & Telescoping Steering Column
41Speed-sensing steering
42Traction control
434-Wheel Disc Brakes
44ABS brakes
45Dual front impact airbags
46Dual front side impact airbags
47Electrical Steering Column Lock
48Emergency communication system: OnStar and GMC connected services capable
49Front anti-roll bar
50Front wheel independent suspension
51Keyless Open & Start
52Low tire pressure warning
53Not Equipped w/Steering Column Lock
54Occupant sensing airbag
55Overhead airbag
56Power Door Locks
57Power Sunroof
58Brake assist
59Electronic Stability Control
60Hill Descent Control
61Auto High-beam Headlights
62Delay-off headlights
63Front fog lights
64Fully automatic headlights
65Perimeter Lighting
66Panic alarm
67Security system
68Theft Deterrent System (Unauthorized Entry)
69Adaptive Cruise Control
70Speed control
71170 Amp Alternator
72220 Amp Alternator
73Auxiliary External Transmission Oil Cooler
74Block heater
75Engine Block Heater
76External Engine Oil Cooling
77Heavy-Duty Air Filter
78Auto-dimming door mirrors
79Black Chrome Header & Grille Insert Bars
80Bumpers: body-color
81Cat-Back Performance Exhaust (LPO)
82Front License Plate Kit
83GMC MultiPro Tailgate Step Lights (LPO)
84Heated door mirrors
85IntelliBeam Automatic High Beam On/Off
86LED Cargo Area Lighting
87Off-Road High Clearance Step (LPO)
88Power door mirrors
89Rear step bumper
90Rear Wheelhouse Liners
91Spray-On Pickup Bed Liner w/AT4 Logo
922 Charge/Data USB Ports Inside Center Console
932 Type-C Charge-Only Rear USB Ports
94Apple CarPlay/Android Auto
95Auto-dimming Rear-View mirror
96Automatic Emergency Braking
97Bed View Camera
98Buckle to Drive
99Color-Keyed Carpeting Floor Covering
100Compass
101Console-Mounted Safe (LPO)
102Driver door bin
103Driver vanity mirror
104Floor-Mounted Center Console
105Following Distance Indicator
106Forward Collision Alert
107Front Pedestrian Braking
108Front Prem Floor Liners w/Removable Carpet Insert
109Front reading lights
110GMC Connected Access Capable
111HD Surround Vision
112Heated steering wheel
113Illuminated entry
114Lane Keep Assist w/Lane Departure Warning
115Multicolor 15" Diagonal Head-Up Display
116OnStar & GMC Connected Services Capable
117Outside temperature display
118Overhead console
119Passenger vanity mirror
120Rear Camera Mirror
121Rear Cross Traffic Braking
122Rear Pedestrian Detection
123Rear Prem Floor Liners w/Removable Carpet Insert
124Rear reading lights
125Rear seat center armrest
126Rear Underseat Storage (LPO)
127Safety Alert Seat
128Sport Pedal Cover Kit (LPO)
129Tachometer
130Telescoping steering wheel
131Tilt steering wheel
132Trailer Camera Provisions
133Trailer Side Blind Zone Alert
134Trip computer
135Ultrasonic Front & Rear Park Assist
136Voltmeter
137Wi-Fi Hotspot Capable
138Wireless Charging
139Wireless Phone Projection
14010-Way Power Driver Seat Adjuster w/Lumbar
14110-Way Power Passenger Seat Adjuster w/Lumbar
142Front Bucket Seats
143Front Center Armrest
144Heated 2nd Row Outboard Seats
145Heated Driver & Front Outboard Passenger Seating
146Heated front seats
147Heated rear seats
148Perforated Front Leather Seat Trim
149Power passenger seat
150Split folding rear seat
151Ventilated Driver & Front Passenger Seats
152Ventilated front seats
153Passenger door bin
154Hitch Guidance
155Hitch Guidance w/Hitch View
156In-Vehicle Trailering App
157Integrated Trailer Brake Controller
158Red Recovery Hooks
159Trailer Tire Pressure Monitor System
16018" x 8.5" Machined Aluminum Wheels
161Alloy wheels
162Deep-Tinted Glass
163Front Rainsensing Wipers
164Power Sliding Rear Window w/Rear Defogger
165Rain sensing wipers
166Variably intermittent wipers
1673.23 Rear Axle Ratio

Location & availability

In stock at Classic Buick GMC, Houston, TX.

The record

Seventeen characters, decoded in place.

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 3GTUUEEL8PG321182CHECK DIGIT VALID

3GT

POS 1–3

World manufacturer

Assigned to GMC

UUEEL

POS 4–8

Vehicle attributes

Decodes to EcoTec3 6.2L V8 · 4D Crew Cab · 4WD

POS 9

Check digit

Validates the other sixteen

POS 10

Model year

2023

POS 11

Assembly plant

321182

POS 12–17

Serial number

This unit, and only this unit

SOURCE: VIN DECODE RECORDTHE SAME RECORD AI AGENTS READ

Miles per year

1,158

4,632 mi across 4 model years.

Estimated payment by credit band

ExcellentUS$832/mo · 6.90% · 84 mo

GoodUS$887/mo · 8.90% · 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.

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