Used

2026 GMC Sierra 1500 AT4

AT4 · 4WD · STOCK TG255437 · HOUSTON, TX

Advertised price

US$60,597

est. US$972/mo · 84 mo · 8.90% APR · US$0 down

Odometer

2,586 mi

Drivetrain

4WD

Engine

EcoTec3 6.2L V8

Fuel economy

14 / 17 MPG

UPDATED OCTOBER 23, 2026

This 2026 GMC Sierra 1500 AT4 is in stock at Classic Buick GMC in Houston, TX. It shows 2,586 mi on the odometer, is finished in Coastal Dune, is 4WD, and advertised at US$60,597.

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! Meet the 2026 GMC Sierra 1500 AT4, a premium crew cab pickup built for those who demand performance and capability. This Beige beauty features a commanding EcoTec3 6.2L V8 engine paired with a 10-speed automatic transmission and 4WD, delivering the power and control you need. With just over 2,500 miles, this nearly new truck is ready to serve you with factory-fresh reliability.- EcoTec3 6.2L V8 with Active Exhaust, Dual, Sport-Mode Enabled- AT4 Premium Package and Technology Package- Premium Bose 7-Speaker Sound System with SiriusXM 360L Trial- Remote Vehicle Starter System and Push Button Start- Off-Road Suspension with Auto-Locking Rear Differential- Heated and Ventilated Leather Seats with 10-Way Power Adjustment- Multicolor 15" Head-Up Display and Rear Camera Mirror- HD Surround Vision with Trailer Camera and Hitch Guidance- Ultrasonic Front and Rear Park Assist- 20" Machined Aluminum Wheels with Goodyear Wrangler Territory MT TiresThe AT4 trimming elevates your experience with premium leather appointments in Jet Black with Kalahari accents, heated steering wheel, wireless charging, and modern connectivity including Apple CarPlay and Android Auto. This truck is equipped for adventure with trailering systems, off-road high clearance steps, and advanced safety features like lane keep assist and automatic emergency braking. Visit us today to experience the capability and luxury of this exceptional Sierra 1500.

Estimate your payment

US$972/ month (est.)US$60,597 financed

Vehicle priceUS$60,597

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: Coastal Dune
Interior: Jet Black With Kalahari Accents

Identification

Year: 2026
Make: GMC
Model: Sierra 1500
Trim: AT4
VIN: 3GTUUEELXTG255437
Stock: TG255437
Condition: Used

Features

01Navigation System
02AT4 Preferred Package
03AT4 Premium Package
04Preferred Equipment Group 4SB
05Technology Package
06Trailering Package
073 Years SiriusXM
087 Speakers
09AM/FM radio: SiriusXM with 360L
10Premium Bose 7-Speaker Sound System
11Radio data system
12Radio: Premium GMC Infotainment Audio System
13SiriusXM with 360L Trial Subscription
14Steering Wheel Audio Controls
15Air Conditioning
16Automatic temperature control
17Electric Rear-Window Defogger
18Front dual zone A/C
19Rear window defroster
20120-Volt Bed Mounted Power Outlet
21120-Volt Interior Power Outlet
22Driver Memory
23Memory seat
24Power driver seat
25Power Front Passenger Windows with Express Up/Down
26Power Front Windows with Driver Express Up/Down
27Power Rear Windows with Express Down
28Power steering
29Power windows
30Push Button Start
31Remote keyless entry
32Remote Vehicle Starter System
33Steering wheel mounted audio controls
34Universal Home Remote
35Auto-Locking Rear Differential
36Off-Road Suspension
37Power Rake and Telescoping Steering Column
38Speed-sensing steering
39Traction control
404-Wheel Disc Brakes
41ABS brakes
42Dual front impact airbags
43Dual front side impact airbags
44Emergency communication system: OnStar
45Front anti-roll bar
46Front wheel independent suspension
47Keyless Open and Start
48Low tire pressure warning
49Occupant sensing airbag
50Overhead airbag
51Power Door Locks
52Brake assist
53Electronic Stability Control
54Hill Descent Control
55Auto High-beam Headlights
56Delay-off headlights
57Front fog lights
58Fully automatic headlights
59Perimeter Lighting
60Panic alarm
61Security system
62Theft Deterrent System (unauthorized Entry)
63Speed control
64170 Amp Alternator
65220 Amp Alternator
66Auxiliary External Transmission Oil Cooler
67Block heater
68Engine Block Heater
69External Engine Oil Cooling
70Heavy-Duty Air Filter
71Auto-dimming door mirrors
72Black Chrome Grille Insert Bars
73Body Color Wheel Arch Moldings
74Bumpers: body-color
75Dual Active Exhaust
76Front License Plate Kit
77Heated door mirrors
78IntelliBeam Automatic High Beam on/Off
79LED Cargo Area Lighting
80Off-Road High Clearance Step
81Power door mirrors
82Rear step bumper
83Rear Wheelhouse Liners
84Spray-on Pickup Bedliner with GMC Logo
852 Charge/Data USB Ports Inside Center Console
862 Type-C Charge-Only Rear USB Ports
872 USB Ports
88Apple CarPlay/Android Auto
89Auto-dimming Rear-View mirror
90Automatic Emergency Braking
91Bed View Camera
92Buckle to Drive
93Color-Keyed Carpeting Floor Covering
94Compass
95Driver door bin
96Driver vanity mirror
97Floor-Mounted Center Console
98Following Distance Indicator
99Forward Collision Alert
100Front Pedestrian Braking
101Front Premium Floor Liners with Removable Carpet Insert
102Front reading lights
103HD Surround Vision
104Heated steering wheel
105Illuminated entry
106Lane Keep Assist with Lane Departure Warning
107Multicolor 15" Diagonal Head-Up Display
108OnStar Services Capable
109Outside temperature display
110Overhead console
111Passenger vanity mirror
112Rear Camera Mirror
113Rear Cross Traffic Braking
114Rear Pedestrian Detection
115Rear Premium Floor Liners with Removable Carpet Insert
116Rear reading lights
117Rear seat center armrest
118Safety Alert Seat
119Tachometer
120Telescoping steering wheel
121Tilt steering wheel
122Trailer Camera Provisions
123Trailer Side Blind Zone Alert
124Trip computer
125Ultrasonic Front and Rear Park Assist
126Voltmeter
127Wi-Fi Hotspot Capable
128Wireless Apple CarPlay/Wireless Android Auto
129Wireless Charging
13010-Way Power Driver Seat Adjuster with Lumbar
13110-Way Power Passenger Seat Adjuster with Lumbar
132Front Bucket Seats
133Front Center Armrest
134Heated 2nd Row Outboard Seats
135Heated Driver and Front Outboard Passenger Seating
136Heated front seats
137Heated rear seats
138Perforated Front Leather Seat Trim
139Power passenger seat
140Split folding rear seat
141Ventilated Driver and Front Passenger Seats
142Ventilated front seats
143Passenger door bin
144Hitch Guidance
145Hitch View
146in-Vehicle Trailering System App
147Integrated Trailer Brake Controller
148Red Recovery Hooks
149Alloy wheels
150Wheels: 20" x 9" Machined Aluminum
151Deep-Tinted Glass
152Front Rain-Sensing Wipers
153Power Sliding Rear Window with Rear Defogger
154Rain sensing wipers
155Variably intermittent wipers
1563.23 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 3GTUUEELXTG255437CHECK 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

2026

POS 11

Assembly plant

255437

POS 12–17

Serial number

This unit, and only this unit

SOURCE: VIN DECODE RECORDTHE SAME RECORD AI AGENTS READ

Miles per year

2,586

2,586 mi across 1 model year.

Estimated payment by credit band

ExcellentUS$912/mo · 6.90% · 84 mo

GoodUS$972/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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