2026 GMC Sierra 2500 HD AT4
9 miles · truck
Complete vehicle specifications
Vehicle description
Experience the Pinnacle of Rugged Capability with the 2026 GMC Sierra 2500HD AT4 This remarkable 2026 GMC Sierra 2500HD AT4 is a true force to be reckoned with, blending exceptional power, advanced technology, and uncompromising off-road prowess. Boasting a robust Duramax 6.6L V8 Turbodiesel engine mated to a smooth-shifting 10-Speed Automatic transmission, this Sierra 2500HD AT4 delivers an incredible 470 horsepower and an astounding 975 lb-ft of torque, ensuring you can conquer any terrain with ease. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) - 10-Speed Automatic Transmission - 4-Wheel Drive Beyond its impressive powertrain, this Sierra 2500HD AT4 is packed with a wealth of premium features that elevate your driving experience. Enjoy the convenience of the Bose Premium 7-Speaker Sound System, the versatility of the 120-Volt Bed Mounted Power Outlet, and the added security of the Trailer Side Blind Zone Alert. The AT4 Preferred Package and AT4 Premium Plus Package further enhance this vehicle's capabilities, while the Gooseneck/5th Wheel Prep Package and Snow Plow Prep/Camper Package make it the ultimate workhorse. Elevate your driving experience with the 2026 GMC Sierra 2500HD AT4. This exceptional vehicle combines unparalleled power, advanced technology, and exceptional off-road performance, making it the perfect choice for those who demand the best. Visit our showroom today to take a closer look and experience the difference for yourself. Tax, title, documentation fee ($251), optional accessories, and additional fees may apply. Availability and pricing are subject to change. Take a test drive today at Stoops Buick GMC in Plainfield, IN family-owned and proudly serving the community since 1990. We're a trusted Buick and GMC dealership near Indianapolis with an A+ Better Business Bureau rating and a CARFAX Top-Rated Dealer (5 years running). Conveniently located in Plainfield, Indiana, just 5 minutes west of Indianapolis International Airport and north of I-70 on SR 267, we proudly serve drivers from Plainfield, Indianapolis, Greenwood, Avon, Brownsburg, Mooresville, and surrounding areas. Call us directly at 317-839-7771. Thank you for the opportunity to earn your business! *Includes all applicable incentives. We strive to ensure the accuracy of the information on this site; however, errors may occur. To verify details, please call 317-839-7771 or visit us in-store. Price includes discounts and rebates available to the general public, and dealer installed items. You may qualify for additional rebates. , Doc Fee Taxes and license are extra. Use of factory sponsored finance or lease programs may affect final vehicle price, and are subject to credit approval. Subject to prior sale.$2000 - Bonus Cash. Exp. 11/30/2026 $2500 - Purchase Allowance. Exp. 11/30/2026
Features & options (157)
- Basic
- Corrosion
- Maintenance
- Roadside Assistance
- Max seating capacity
- Fuel System
- Fuel tank capacity
- Horsepower
- Towing capacity
- 13.4" diagonal GMC Premium Infotainment System with Google built-in
- Bluetooth
- Bose Premium Sound System
- SiriusXM with 360L Trial Subscription
- Wi-Fi Hotspot capable
- Wireless phone projection
- 18" LT275/70R18 all-terrain, blackwall spare tire
- 22" High Gloss Black aluminum wheels with machined accents
- 22" LT265/60R22E all-terrain blackwall tires
- 22" Transit steel, painted Black wheels
- Animated LED Signature Tail lamps with Stop, turn and Reverse lamps
- Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
- Black beltline moldings
- Black power-retractable assist steps with LED perimeter lighting
- Body color wheel arch moldings
- Body-color door handles
- Body-color front bumper
- Body-color rear bumper
- Cab-mounted cargo area lamps
- Cargo bed LED lighting
- Cargo tie-downs
- CornerStep rear bumper
- Deep-tinted glass
- GMC MultiPro Tailgate
- High gloss Black mirror caps
- IntelliBeam
- LED fog lamps
- Outside power-adjustable vertical trailering mirrors with power folding/extending auto-dimming driver and passenger upper glass
- Power sunroof
- Rainsense automatic wipers
- Rear wheelhouse liners
- Side Bed Step
- Smoked Amber LED roof marker lamps
- Spare tire carrier lock
- Spray-on bedliner
- Tailgate and bed rail protection caps
- Tailgate with EZ Lift assist, power lock & release
- Winter Grille Cover
- 10-way power driver seat with power lumbar
- 10-way power front passenger seat
- 12.3" diagonal color Driver Information Center
- 120-volt box-mounted power outlet
- 120-volt power outlet
- Adaptive Cruise Control
- All-weather floor liners with AT4 logo
- Assist handles
- Carpeted floor covering
- Compass
- Driver memory
- Dual-zone automatic climate control
- Front bucket seats
- Front center console
- Head-Up Display
- Heated driver and front outboard passenger seats
- Heated rear outboard seats
- Heated steering wheel
- Inside rearview auto-dimming mirror
- Keyless Open and Start
- Manual tilt and telescoping steering column
- Outside temperature display
- Power door locks
- Power sliding rear window with rear defogger
- Power windows with driver and front passenger express-up/down
- Power windows with driver express-up/down
- Power windows with rear express-down
- Premium front floor liners with removable carpet insert
- Premium rear floor liners with removable carpet insert
- Rear Camera Mirror
- Rear Seat Reminder
- Rear air vents
- Rear window defogger
- Remote Start
- Steering-wheel mounted controls
- Theft-deterrent unauthorized entry system
- USB ports
- Universal Home Remote
- Up-level rear seat with storage package
- Ventilated driver and front passenger seats
- Wireless Charging
- Wrapped steering wheel
- 10-speed automatic transmission
- 11,350 lbs. GVWR
- 3.42 rear axle ratio
- 4-wheel antilock disc brakes
- 6.6L Duramax Turbo-Diesel V8 engine
- Air filtration monitoring
- Automatic locking rear differential
- Autotrac 2-speed transfer case with push button controls
- Brake pad wear indicator
- Capped fuel fill
- Diesel exhaust brake
- Digital Variable Steering Assist
- Dual, 220 amp primary and 170 auxiliary amp alternators
- Engine block heater
- External auxiliary transmission oil cooler
- External engine oil cooler
- Fully boxed frame
- Gooseneck / 5th Wheel Prep Package
- Heavy-Duty Air Filter
- Heavy-duty dual batteries with 1460 cold-cranking amps
- Hill Descent Control
- In-Vehicle Trailering App
- Integrated trailer brake controller
- Off-Road suspension
- Red vertical recovery hooks
- Skid plates
- LED Daytime Running Lamps
- Signature LED Daytime Running Lamps
- 6 airbags
- Bed View Camera
- Buckle to Drive
- Following Distance Indicator
- Forward Collision Alert
- Front and Rear Park Assist
- HD Surround Vision
- Hitch Guidance
- Hitch View
- Lane Departure Warning
- OnStar Basics
- OnStar services capable
- Rear Cross Traffic Alert
- Rear Seat Belt Indicator
- Safety Alert Seat
- Seat Belt Adjustable Guide Loops
- Teen Driver
- Tire Pressure Monitoring System with Tire Fill Alert
- Trailer Side Blind Zone Alert
- Trailering Information Label
- Trailering camera provisions
- Automatic Emergency Braking
- Front Pedestrian Braking
- StabiliTrak, electronic stability control system with traction control
- AT4 Preferred Package:
- Rear sliding power window
- LED roof marker lamps
- AT4 Premium Plus Package:
- Technology Package
- AT4 high clearance step
- May require additional optional equipment
- Snow Plow Prep / Camper Package:
- Power feed to accommodate a backup and roof emergency light
- A single 220-amp alternator
- Heavy-duty front springs
- Multi-color 15" Diagonal Head-Up Display
- AT4 Preferred Package on AT4
- AT4 Preferred Package
- AT4 Premium Plus Package
- Snow Plow Prep / Camper Package
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Vehicle price analysis
Where this price sits
Among the highest-priced · 8% of 12 similar listings ask more than this car.
Price vs. median
Price range
AutosXchange Insights
- Compared with 12 new 2026 GMC Sierra 2500 AT4 listings within 50 mi.
- Priced $4,323 above the median of 12 similar listings within 50 miles of Plainfield, Indiana — compare options, condition and history.
- 12th lowest price of 13 similar listings within 50 miles.
- About 9 miles per year of age (U.S. average is roughly 12,000–14,000).
- Stock # TF264472 — mention it when you call or text.
Price history
Price tracked by AutosXchange since Nov 5, 2026. No price change at this dealership since Nov 5 ($84,590).
AutosXchange Intel Hub: Price changes for this model in Indiana · This model in the Intel Hub · Market movers in Indiana
Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 9); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
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