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Auto Town GMC · Gladstone, OR

2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4

6 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
Trim4-Wheel AT4
Stock numberG26435
Mileage6 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSterling Metallic
Towing20000

Vehicle description

This 2026 GMC Sierra 3500HD AT4 is a powerful crew cab diesel workhorse built for serious hauling and towing. Silver exterior with Jet Black leather accents creates a sophisticated yet rugged appearance, while the cab and standard bed configuration provide both functionality and comfort. Equipped with a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission and 4WD, this truck delivers the performance and capability you need on job sites and challenging terrain. - Power-retractable black assist steps for easy entry and exit - Gooseneck/5th wheel prep package for heavy-duty towing applications - Upfitter switch kit (5) for custom equipment and accessories - Engine block heater for cold-weather reliability - 220-amp alternator for sustained auxiliary power - Diesel exhaust brake for superior braking control - Trailer tire pressure monitor sensors for towing peace of mind - Three years of SiriusXM satellite radio - Premium 13.4 GMC infotainment display with HD surround vision - Heated and ventilated power front seats with lumbar support The AT4 trim combines off-road capability with premium interior refinements, featuring a Bose sound system, wireless smartphone projection, and an array of safety technologies including automatic emergency braking and rear cross-traffic alert. This Sierra 3500HD is ready to tackle your toughest challenges with confidence. Come see this capable diesel truck in person and discover why professional contractors and serious truck enthusiasts choose GMC Sierra Heavy Duty. Contact us today to arrange a test drive. Price includes: $2000 - GMC Bonus Cash. Exp. 11/30/2026 $2500 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026

Features & options (250)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Premium Sound System
  • SiriusXM
  • 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
  • Wireless phone projection
  • For Apple CarPlay and Android Auto
  • Place and receive hands-free phone calls
  • Wi-Fi Hotspot capable
  • May require additional optional equipment
  • SiriusXM with 360L Trial Subscription
  • Rear wheelhouse liners
  • Deep-tinted glass
  • Provides added protection from sun and glare
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Body-color front bumper
  • IntelliBeam
  • Side Bed Step
  • Black textured step pads help provide secure footing
  • 20" LT275/65R20 all-terrain, blackwall tires
  • Black beltline moldings
  • Tailgate with EZ Lift assist, power lock & release
  • Hitch area lighting
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • Body-color rear bumper
  • With integrated CornerSteps
  • Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
  • 20" high gloss Black aluminum wheels
  • GMC MultiPro Tailgate
  • Power lock and release
  • CornerStep rear bumper
  • Located at each end of the rear bumper
  • Textured step pads to help provide secure footing
  • Spray-on bedliner
  • Includes GMC logo on all trims except PRO
  • Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
  • Chrome mirror caps
  • AT4 features high gloss Black mirror caps
  • Power folding/extending
  • Lower convex mirrors
  • Heated upper glass
  • Integrated turn signal indicators
  • Puddle lamps
  • Perimeter lighting
  • Auxiliary lighting
  • Extends 3.31-inches
  • LED fog lamps
  • Single Rear Wheels
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Cargo bed LED lighting
  • Provides light to find cargo in the bed
  • Rainsense automatic wipers
  • High gloss Black mirror caps
  • Body-color door handles
  • Cargo tie-downs
  • 12-fixed rated at 500 lbs. per corner
  • Grille, Gloss Black header and grille insert bars with Black chrome accents
  • Tailgate and bed rail protection caps
  • Spare tire carrier lock
  • Helps keep spare tire secure
  • Power sunroof
  • Retracts into the roof
  • Offers tilt and slide features with express-open and -close
  • Front license plate bracket
  • Sterling Metallic
  • Smoked Amber LED roof marker lamps
  • Roof-mounted lamps near the front of the cab
  • Power sliding rear window with rear defogger
  • Winter Grille Cover
  • Assist handle, side
  • Bed mounted (fold out grab handle for extra support)
  • Black power-retractable assist steps with LED perimeter lighting
  • Textured step pads help provide secure footing
  • Retracts when not in use
  • Deploy Running Board mode for car wash cleaning
  • LED perimeter lighting
  • Front bucket seats
  • You can always override the feature and take control
  • Dual-zone automatic climate control
  • Allows individual climate settings for both driver and front passenger
  • 12.3" diagonal color Driver Information Center
  • High definition display provides crisp, premium appearance
  • USB ports
  • (2) First row, located on console
  • 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)
  • 10-way power driver seat with power lumbar
  • Includes 8-way power driver seat
  • Includes a 2-way power lumbar control
  • Wrapped steering wheel
  • Carpeted floor covering
  • Color-keyed to match the interior
  • Power windows with driver and front passenger express-up/down
  • If obstruction is detected, the anti-pinch feature will auto-reverse
  • 120-volt box-mounted power outlet
  • 3-prong auxiliary household-style outlet
  • Located in the pickup bed
  • (2) Charge ports located on rear of console
  • (2) Data/charge ports located inside center console
  • Outside temperature display
  • Located in infotainment display
  • Front center console
  • Keyless Open and Start
  • Lockout protection helps you avoid locking keys in the vehicle
  • Rear air vents
  • Provides cabin comfort for rear occupants
  • Rear window defogger
  • Premium front floor liners with removable carpet insert
  • Seat trim, Perforated Front Leather seating surfaces
  • Steering-wheel mounted controls
  • Heated rear outboard seats
  • Passengers can manage heat settings with their own controls
  • Power windows with driver express-up/down
  • 10-way power front passenger seat
  • Includes 8-way power front passenger seat
  • Compass
  • Located in instrument cluster
  • Power door locks
  • Assist handles
  • Front A-pillar mounted for Driver and Passenger
  • Rear B-pillar mounted
  • Heated driver and front outboard passenger seats
  • Individually controlled
  • 120-volt power outlet
  • Located on the instrument panel
  • Manual tilt and telescoping steering column
  • Power windows with rear express-down
  • Driver memory
  • Premium rear floor liners with removable carpet insert
  • Ventilated driver and front passenger seats
  • Cooling feature includes both seatbacks and cushions
  • In-Vehicle Trailering App
  • Checklist
  • Trailer maintenance reminders
  • Trailer security alerts
  • Trailer mileage
  • Tow/haul reminder
  • Trailer electrical diagnostics
  • Wireless Charging
  • Uses induction technology for select portable electronic devices
  • Convenient charging location on the top of the center console
  • Theft-deterrent unauthorized entry system
  • Helps deter unauthorized entry, helping to protect your vehicle
  • Jet Black with Kalahari accents, Perforated Front Leather seating surfaces
  • Head-Up Display
  • Multi-color 15" diagonal Head-Up Display
  • Adjustable vertical position and brightness of the display
  • Universal Home Remote
  • 3-channel programmable
  • Rear Camera Mirror
  • The feature also allows brightness, vertical tilt and zoom adjustments
  • 3 Years SiriusXM
  • Enjoy channels curated by DJs, personalities, and tastemakers
  • Upfitter switches
  • Integrated trailer brake controller
  • Integrated with the antilock brake system (ABS)
  • Digital Variable Steering Assist
  • Skid plates
  • Help protect the front underbody, oil pan and transfer case
  • Fully boxed frame
  • Hydroformed front section
  • High-strength steel
  • Red vertical recovery hooks
  • Two front frame-mounted
  • 4-wheel antilock disc brakes
  • Brake pad wear indicator
  • Autotrac 2-speed transfer case with push button controls
  • 4-button control 2WD, Auto, 4WD, 4WD LO
  • 2WD High for most on-road and highway situations
  • Automatically engages 4WD until traction is regained
  • Heavy-Duty Air Filter
  • Four wheel drive
  • Automatic locking rear differential
  • Off-Road suspension
  • 220-amp alternator
  • Heavy-duty 730 cold-cranking amps battery
  • 70 Amp-hr
  • Maintenance-free with rundown protection and retained accessory power
  • Gooseneck / 5th Wheel Prep Package
  • Hitch platform to accept Gooseneck or 5th wheel hitch
  • Box mounted 7-pin trailer harness
  • 12,100 lbs. GVWR
  • AT4 Preferred Package
  • Rear sliding power window
  • LED roof marker lamps
  • AT4 Preferred Equipment Group includes standard equipment
  • AT4 Premium Plus Package
  • Technology Package
  • AT4 high clearance step
  • AT4 Preferred Package on AT4
  • Option/package discount
  • Trailering Information Label
  • Signature LED Daytime Running Lamps
  • LED Daytime Running Lamps
  • Hitch Guidance
  • Can help you line up the hitch to your trailer
  • Hitch View
  • Shows a close-up view of the trailer hitch
  • Seat Belt Adjustable Guide Loops
  • Front row only
  • Front and Rear Park Assist
  • These can help you park and avoid collisions
  • Teen Driver
  • Following Distance Indicator
  • Designed to help you maintain a safe following distance
  • Rear Seat Reminder
  • Forward Collision Alert
  • 6 airbags
  • Dual-stage frontal airbags for driver and front outboard passenger
  • Head-curtain airbags for outboard seating positions
  • OnStar services capable
  • Safety Alert Seat
  • You can also switch to beeping crash avoidance alerts
  • Buckle to Drive
  • Trailering camera provisions
  • Includes connector for accessory wiring harness
  • Trailer Side Blind Zone Alert
  • 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

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

AutosXchange Intel

Vehicle price analysis

Live listings · nationwide
Asking price$92,324Dealer asking price · 6 mi
Market value$91,059Market value · based on 13 comparable cars
vs. market+1.4%Not rated · stock photos only

Where this price sits

Among the highest-priced · 8% of 13 similar listings ask more than this car.

$77,962lowest$92,584highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

+1.4%
−25%Market value+25%
Not rated · stock photos only$1,265 above the market value of $91,059

Price range

$92,324
$77,962$92,584
13th lowest price of 14 similar listings nationwideTick marks the market value · range of 13 similar listings

AutosXchange Insights

  • Compared with 13 new 2026 GMC Sierra 3500 4-Wheel AT4 listings nationwide.
  • Priced $1,265 above the market value of 13 comparable cars — compare options, condition and history.
  • 13th lowest price of 14 similar listings nationwide.
  • About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # G26435 — 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 12, 2026. No price change at this dealership since Nov 12 ($92,324).

$92.1k$92.2k$92.3k$92.4k$92.5k$92.6kNov 11Nov 12

Market activity: 2026 Ford Expedition prices nationally: 31.1% of listings cut in 48 hours

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 3500 4-Wheel AT4 · new · nationwide. Showing the 12 nearest of 13 comparable cars for sale, nearest first.

2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,059$1,265 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,390$934 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,459$865 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,554$770 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,554$770 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$91,939$385 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT46 miles · Auto Town GMC · Gladstone, OR · 0 mi away$92,584$260 more than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4Robideaux Motors · Coeur D Alene, ID · 320 mi away$78,679$13,645 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4Robideaux Motors · Coeur D Alene, ID · 320 mi away$78,679$13,645 less than this car2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Standard Box 4-Wheel Drive AT43 miles · Everett Buick GMC · Bryant, AR · 1,745 mi away$77,962$14,362 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT43 miles · Everett Buick GMC · Bryant, AR · 1,745 mi away$78,359$13,965 less than this car2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT4 vehicle photo2026 GMC Sierra 3500 HD Crew Cab Long Box 4-Wheel Drive AT43 miles · Everett Buick GMC · Bryant, AR · 1,745 mi away$78,359$13,965 less than this car

More GMC Sierra 3500 near Gladstone

All years and trims. Nearest first.