Henry Brown Buick GMC · Gilbert, AZ

2026 GMC Sierra 1500 SLT

6 miles · truck

1 / 33 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 1500

TrimSLT

VIN3GTUUDED4TG496218

Stock number26T2988

Mileage6 miles

BodyPickup

Engine5.3L 8-cyl

Cylinders8

Displacement5.3L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

MPG15 city / 18 hwy

ExteriorSterling Metallic

Towing9200

Vehicle description

Meet the 2026 GMC Sierra 1500 SLT, a powerful full-size truck built to handle serious work and weekend adventures. With its EcoTec3 5.3L V8 engine and 10-speed automatic transmission, this 4WD Sierra delivers dependable performance paired with refined capability. The striking Silver exterior turns heads while the X31 Off-Road Package equips you with specialized suspension and terrain management for confident driving in any condition. Key Features: - X31 Off-Road Package with Hill Descent Control and Off-Road Suspension - EcoTec3 5.3L V8 with 10-Speed Automatic and 4WD - Premium GMC Infotainment System with Apple CarPlay and Android Auto - Heated Leather Front Seats with 10-Way Power Adjusters - Automatic Emergency Braking and Lane Keep Assist - Remote Vehicle Starter and Push Button Start - Navigation System and SiriusXM with 360L Trial - Rear Camera and Advanced Lighting Package - Trailering Package with Integrated Brake Controller - 18 Machined Aluminum Wheels This new Sierra SLT combines work-ready engineering with modern comfort. The cabin features heated and power-adjustable leather seating, dual-zone automatic climate control, and a premium audio system with satellite radio. Safety technology includes automatic emergency braking, forward pedestrian braking, and lane departure warning to keep you protected on every journey. The truck's advanced infotainment system keeps you connected with wireless smartphone integration and navigation guidance. Visit our showroom to experience this impressive Sierra 1500 SLT firsthand and discover why it's the right choice for your next truck. Price includes: $3263 - Supplier Discount for Everyone. Exp. 11/30/2026 $4229 - GMC Black Friday Offer. Exp. 11/30/2026

Features & options (236)

Bluetooth®
Heated Steering Wheel
Remote Start
4WD/AWD
Android Auto
Apple CarPlay
Keyless Entry
Keyless Ignition System
Leather Seats
Wi-Fi Hotspot
Auto Dimming Mirror
Emergency Brake Assist
Lane Departure Warning
Lane Keep Assist
Forward Collision Warning
Navigation System
Rear View Camera
Tow Hitch/Tow Package
Automatic Climate Control
Entertainment System
Cruise Control
SiriusXM Trial Subscription
Wireless Apple CarPlay/Wireless Android Auto capability for compatible phones
Can use Apple CarPlay and Android Auto wirelessly
Wi-Fi Hotspot capable
May require additional optional equipment
Steering-wheel mounted controls
13.4" diagonal GMC Premium Infotainment System with Google built-in
Bluetooth® streaming audio for music and select phones
Wireless Apple CarPlay capability for compatible phones
Wireless Android Auto capability for compatible phones
Customize and manage entertainment and vehicle feature setting
Voice-activated technology for phone
SiriusXM with 360L Trial Subscription
Place and receive hands-free phone calls
6-speaker audio system
Chrome front bumper
Deep-tinted glass
Provides added protection from sun and glare
Grille (Chrome header and chrome grille insert bars with gloss black accents.)
Rainsense automatic wipers
17" full-size spare steel wheel with Black finish
LED projectors with Fade-on/ Fade-off animation, LED turn signals and Daytime Running Lamps
Cargo bed LED lighting
Provides light to find cargo in the bed
Rear pillar lamps
Perimeter Lighting
Chrome rear bumper
With integrated CornerSteps
Spare tire carrier lock
Helps keep spare tire secure
Utilizes the same key as the door and ignition
IntelliBeam
Heated, power, driver-side auto-dimming, power-folding outside mirrors
Puddle lamps
Memory setting
Taillamps, LED LED signature taillight with LED stop, turn & reverse and Fade-on/Fade-off animation
Cab-mounted cargo area lamps
With switch in switch bank left of the steering wheel
Illuminates the cargo bed area
Chrome mirror caps
GMC MultiPro Tailgate
Full chrome surround window moldings
Rear wheelhouse liners
Tailgate with EZ Lift assist, power lock & release
Hitch area lighting
Tailgate and bed rail protection caps
17" 265/70R17SL all-season, blackwall spare tire
CornerStep rear bumper
Located at each end of the rear bumper
Textured step pads to help provide secure footing
LED fog lamps
Help minimize glare in adverse driving conditions
18" 6-spoke machined aluminum wheels with Dark Grey Metallic accents
Chrome door handles
18" 265/65R18SL all-terrain, blackwall tires
Sterling Metallic
Carpeted floor covering
Color-keyed to match the interior
13.4" diagonal multicolor reconfigurable Infotainment screen
Rear air vents
Provides cabin comfort for rear occupants
120-volt box-mounted power outlet
3-prong auxiliary household-style outlet
Located in the pickup bed
Steering column lock, electrical
Rear carpeted floor mats
Helps protect your interior from road debris and the elements
Denali model has unique premium carpet
Denali Ultimate model has premium floor mats
40/20/40 split-bench front seat with under-seat storage
Seating for up to 3
Driver and front passenger seatbacks recline
Head restraints at the outboard seating positions
Center seatback that doubles as a fold-down armrest with storage
Driver memory
Power windows
Front passenger with express-up/down
120-volt power outlet
Located on the instrument panel
Theft-deterrent unauthorized entry system
Helps deter unauthorized entry, helping to protect your vehicle
Maintains a selected speed while driving
Set and resume speed functions
Keyless Open and Start
Power door locks
Programmable
10-way power driver seat with power lumbar
Moves the seat forward and back, and up and down
Tilt the seat cushion and seatbacks
12.3" diagonal color Driver Information Center
Assist handles
Front A-pillar mounted for Driver and Passenger
Rear B-pillar mounted
Driver with express-up/down
Dual-zone automatic climate control
Allows individual climate settings for both driver and front passenger
Up-level rear seat with storage package
60/40 Full-length folding bench seat
Seatback storage on left and right side
Center fold out armrest with 2 cupholders
Underseat storage (full cab width)
Compass
Located in instrument cluster
10-way power front passenger seat
Forward and back
Up and down
Tilt seat cushion back and upright
Recline seatback up and down
Includes 2-way power lumbar
Inside rearview auto-dimming mirror
Front carpeted floor mats
Denali Ultimate model has premium floor mats with corner applique
Power windows with rear express-down
Wrapped steering wheel
Manual tilt and telescoping steering column
Provides extra comfort when entering or exiting the vehicle
Rear window defogger
Outside temperature display
Located in infotainment display
Heated driver and front outboard passenger seats
Individually controlled
Seat trim, Perforated leather-appointed front outboard
Jet Black, Perforated leather-appointed front outboard seat trim
Cargo tie-downs (12)
7,100 lbs. GVWR
Pickup bed
Roll-formed high-strength steel
4-wheel antilock disc brakes
3.23 rear axle ratio
Heavy-duty 730 cold-cranking amps battery
80 Amp-hr
Maintenance-free with rundown protection and retained accessory power
Brake pad wear indicator
Push Button Start
Automatic locking rear differential
Electric Power Steering
Electric, rack-mounted with variable assist
Steering assist is greater during low-speed maneuvers, such as parking
170-amp alternator
Aluminized stainless-steel muffler and tailpipe
Capless fuel fill
Fully boxed frame
Hydroformed front section
High-strength steel
Black vertical recovery hooks
Two front frame-mounted
Four wheel drive
Integrated trailer brake controller
Integrated with the antilock brake system (ABS)
Suspension, Off-Road
Heavy-Duty Air Filter
2-speed Autotrac Transfer Case
2WD HI mode
Vehicle operates in 2-wheel drive
Suitable for routine driving on all road surfaces
4WD Auto mode
4WD HI mode
4WD LO mode
Neutral
Dual-outlet exhaust
Integrated into rear bumper
Aluminized stainless-steel muffler and tailpipes
Emissions, Federal requirements
Hill Descent Control
Uses antilock braking to help provide a smooth, controlled descent
Activates by pushing a button below the instrument panel
Skid plates
GMC Pro Safety
Forward Collision Alert
Following Distance Indicator
Front Pedestrian Braking
Lane Keep Assist with Lane Departure Warning
Automatic Emergency Braking
Buckle to Drive
Safety Alert Seat on AT4, AT4X, Denali and Denali Ultimate
Trailering Package
Trailer hitch
Trailering hitch platform
Includes a 2" receiver hitch, 4-pin and 7-pin connectors
Hitch Guidance
SLT Preferred Equipment Group includes standard equipment
LED Daytime Running Lamps
Daytime Running Lamps automatically illuminate signature lighting
6 airbags
Dual-stage frontal airbags for driver and front outboard passenger
Head-curtain airbags for outboard seating positions
Works at speeds between 5 and 50 mph
Designed to help you maintain a safe following distance
Seat Belt Adjustable Guide Loops
Front row only
You may receive additional Lane Departure Warning alerts if needed
Rear Seat Reminder
Tire Pressure Monitoring System with Tire Fill Alert
HD Rear Vision Camera
Can help you park or avoid vehicles and objects
OnStar services capable
Rear Seat Belt Indicator
OnStar Basics
Drive confidently with core OnStar services including
Remote commands
Built-in voice assistance
Real-time traffic and navigation
Automatic Crash Response to help if you're in need
Can help you line up the hitch to your trailer
Limited nighttime and low visibility performance
DriveType: Four Wheel Drive
City: 15 MPG
Hwy: 18 MPG
Combined: 16 MPG
Fuel System: Direct Injection
Fuel Tank Capacity: 24 gal
Fuel Type: Gasoline Fuel
Horse Power: 355
Rear Wheel: Single
Trailering Capacity: 9200 lbs

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 50 miles of Gilbert, Arizona

Asking price$55,533Dealer asking price · 6 mi

Market value$57,859Market value · based on 108 comparable cars

vs. market Fair price-4.0%Fair price · based on 108 comparable cars

Where this price sits

In the typical middle range · 71% of 108 similar listings ask more than this car.

Market value $57,859

This car$55,533

$49,770lowest$64,245highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$2,326 below the market value of $57,859

Price range

$49,770$64,245

26th lowest price of 109 similar listings within 50 milesTick marks the market value · range of 108 similar listings

AutosXchange Insights

Compared with 108 new 2026 GMC Sierra 1500 SLT listings within 50 mi.
Priced $2,326 below the market value of 108 comparable cars.
26th lowest price of 109 similar listings within 50 miles.
About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
Stock # 26T2988 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 6, 2026. No price change at this dealership since Nov 6 ($55,533).

AutosXchange Intel Hub: Price changes for this model in Arizona · This model in the Intel Hub · Market movers in Arizona

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 12); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 1500 SLT · new · within 50 miles of Gilbert, Arizona. Showing the 12 nearest of 108 comparable cars for sale, nearest first.

2026 GMC Sierra 1500 SLT for sale at Henry Brown Buick GMC in Gilbert, AZ

Great dealPrice drop −$2,000

33 photos