
2026 GMC Sierra 2500HD
Mileage: 6 · Lake Geneva, WI
2026 GMC Sierra 2500HD AT4 Crew Cab 4WD
Lake Geneva, WI
$85,527
MSRP
Dealer rating
Request information
Features
Mileage
6
Drivetrain
Four-Wheel Drive
Exterior color
Onyx Black
Interior color
Jet Black With Kalahari Accents
Engine
470 hp 6.6L V8 Biodiesel
Fuel type
Biodiesel
Transmission
Automatic
Alloy wheels
Finance in advance
Overview
- Make:GMC
- Model:Sierra 2500HD
- Year:2026
- Trim:AT4
- Body type:Pickup Truck
- Exterior color:Onyx Black
- Interior color:Jet Black With Kalahari Accents
- Mileage:6 mi
- Condition:New
- VIN:1GT4UPEY9TF234782
- Stock number:30T1757
Fuel economy
- Fuel tank size:35 gal
- Fuel type:Biodiesel
Performance
- Transmission:Automatic
- Drivetrain:Four-Wheel Drive
- Engine:470 hp 6.6L V8 Biodiesel
- Horsepower:470 hp
Safety
- ABS Brakes
- Backup Camera
- Blind Spot Monitoring
- Curtain Airbags
- Driver Airbag
- Front Side Airbags
- Parking Sensors
- Passenger Airbag
Measurements
- Doors:4 doors
- Front legroom:44 in
- Back legroom:43 in
- Cabin size:Crew Cab
- Cargo volume:82 in
History
Clean title
No issues reported.
0 accidents reported
No accidents or damage reported.
Pricing

Price decreased
47 days at this dealership

2026 Sierra HD
Content sponsored by Manufacturer

AT4X trim shown
Perform strategically
Make sharp moves with advanced trailering tech.

AT4X trim shown
Go for tactical luxury
Command in comfort with full-grain leather seating.

AT4X trim shown
Smart tech for smooth rides
Command the cabin with a standard 13.4" diagonal touchscreen.

AT4X trim shown
Perform strategically
Make sharp moves with advanced trailering tech.

AT4X trim shown
Go for tactical luxury
Command in comfort with full-grain leather seating.

AT4X trim shown
Smart tech for smooth rides
Command the cabin with a standard 13.4" diagonal touchscreen.
Dealer

Dealer reviews
Dealer's description
The 2026 GMC Sierra 2500HD AT4 is a true workhorse, built to conquer the toughest terrain and handle your most demanding jobs with ease. This heavy-duty pickup boasts a commanding presence and uncompromising capability, making it the perfect choice for those who refuse to compromise. - Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission and 4WD - Power Retractable Assist Steps with LED lighting - Engine Block Heater - Gooseneck/5th Wheel Prep Package - Bose Premium 7-Speaker Sound System, Apple CarPlay/Android Auto, Bed View Camera with Two Trailer Camera Provisions, HD Surround Vision, Wireless Charging, Heated 2nd Row Outboard Seats, Heated Driver and Front Outboard Passenger Seats, Power Sunroof Step inside and you'll be surrounded by premium materials and advanced technology that elevate the driving experience. The AT4 Premium Plus Package delivers a wealth of cutting-edge features, ensuring you stay connected, comfortable, and in control, no matter the conditions. This Sierra 2500HD is designed to tackle the toughest jobs with confidence. The Duramax diesel engine delivers incredible power and torque, while the off-road-tuned suspension and 4WD system provide the capability to conquer even the most challenging terrain. Whether you're hauling heavy loads, towing a trailer, or navigating rough jobsites, this truck is up for the challenge. Versatility is the name of the game with the Sierra 2500HD AT4. The Gooseneck/5th Wheel Prep Package allows you to easily adapt this truck to your specific needs, whether that's pulling a heavy-duty trailer or setting up a mobile workstation in the bed. And with the available Bed View Camera and Trailer Viewing Software, you'll have enhanced visibility and control when maneuvering with a trailer. Step up to the AT4 and experience the ultimate in heavy-duty truck capability and premium comfort. This Sierra 2500HD is built to handle your most demanding tasks with confidence and style. Schedule a test drive today and discover why the GMC Sierra 2500HD AT4 is the perfect companion for your next adventure. Find out why our dealerships have won DealerRater.com DEALER OF THE YEAR a whopping 10 TIMES! Call, email, or live chat with one of our friendly sales professionals now to schedule your test drive! Prices shown do not include tax, title, registration and $599 service fees. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026
Additional Information
AT4 Preferred Package,AT4 Premium Plus Package,Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SB,Snow Plow Prep/Camper Package,Technology Package,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220-Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Front License Plate Kit,Gloss Black Header Grille and Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Off-Road High Clearance Step,Power door mirrors,Power-Retractable Black Assist Steps,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,Inside Rearview Auo-Dimming Rear Camera Mirror,Multicolor 15" Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions and Trailer Viewing Software,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering System App,Alloy wheels,Wheels: 20" High Gloss Black 8 Spokes Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows with Express Up/Down,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers
Dealer's disclaimer
Prices shown do not include taxes, license and title fees and a documentary service fee ($367.70 for Illinois) and tax, title, registration and service fees ($499 for Wisconsin). Dealer installed accessories are included in the price of the vehicle along with all global rebates available. While we make every effort to ensure the data listed here is correct, there may be instances where some of the factory rebates, incentives, options or vehicle features may be listed incorrectly as we get data from multiple data sources. Offers, incentives, discounts, or financing are subject to expiration and other restrictions. See dealer for qualifications and complete details. The price listed includes the largest available incentive and any customer not meeting the residency restriction may receive a dealer discount for the same amount of the manufacturer rebates. Customers who qualify for the Conditional Rebate would earn the rebate; and those that do not qualify for the rebate will instead earn the Kunes Special Offer; however, customers are not eligible to earn both the Conditional Rebate and Kunes Special Offer. Dealer reserves the right to correct any pricing error prior to final sale. Shipping fees vary depending on location, contact dealer for shipping details and costs.
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