2026 GMC Sierra 3500HD AT4 * AT4 Premium Plus Pkg * Power Sunroof * Rear Camera Mirror * Head-Up Display * Off-Road High Clearance Steps * Gooseneck/5th Wheel Prep Pkg * Heated/Ventilated Front Seats * 6.6L Duramax Diesel [0]

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Vehicle Summary

Condition: New
Certified: Yes
Body Style: Pickup
Fuel Type: Diesel
KMS: 5
Engine: 6.6L Duramax Diesel
Transmission: 10-Speed Automatic
Drivetrain: Four Wheel Drive
Exterior Color: Onyx Black
Interior Color: Jet Black with Kalahari accents
City MPG:
Highway MPG:

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Vehicle Details

**Are you ready to conquer the toughest terrains with unparalleled capability?** Introducing the 2026 GMC Sierra 3500HD AT4, a powerful symbol of strength and sophistication, coated in Onyx Black with a sleek Black interior. This robust model is powered by a dynamic 8 Cylinder Duramax 6.6L Turbo-Diesel V8 engine, complemented by a seamless 10-speed automatic transmission, ensuring top-tier performance and extraordinary towing capabilities. Highlighting its utility-focused features, the Sierra 3500HD AT4 comes equipped with the Gooseneck / 5th Wheel Prep Pkg, making it an ideal choice for heavy-duty towing tasks. The AT4 Premium Plus Pkg enhances the already substantial offering with additional technologies and comfort features, including a power sunroof and a high-tech aerial view display system. Safety is paramount with advanced systems like Front Collision Mitigation and Blind Spot Monitor, ensuring peace of mind under various driving conditions. For those late-night ventures, the LED headlights coupled with automatic highbeams provide superior visibility. Comfort isn't compromised with heated front and rear seats, a cooled front seat option, and a heated steering wheel for those colder days. The vehicle also features an intuitive navigation system, making every journey as smooth as possible. Experience unmatched power and luxury whether it's on busy city streets or exploring rugged landscapes. Stock #T4368874. AMVIC-licensed Dealer.

AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
REAR AXLE 3.42 RATIO
GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
LPO OFF-ROAD HIGH CLEARANCE STEP (dealer-installed)
Heated Mirrors
Premium Sound System
Passenger Air Bag Sensor
Power Passenger Seat
Remote Engine Start
Power Windows
Power Door Locks
Blind Spot Monitor
Rain Sensing Wipers
Bluetooth Connection
Rear Bench Seat
Passenger Adjustable Lumbar
Heated Rear Seat(s)
Smart Device Integration
Back-Up Camera
Satellite Radio
Security System
Seat Memory
Requires Subscription
Privacy Glass
Floor Mats
Cross-Traffic Alert
Requires Subscription
4-Wheel Disc Brakes
Passenger Air Bag
Auto-Dimming Rearview Mirror
Multi-Zone A/C
Keyless Start
Cooled Front Seat(s)
Bluetooth Connection
ABS
Daytime Running Lights
Floor Mats
Lane Departure Warning
Auxiliary Audio Input
Pass-Through Rear Seat
Power Windows
Keyless Start
WiFi Hotspot
Tire Pressure Monitor
Traction Control
Four Wheel Drive
Automatic Highbeams
MP3 Capability
Mirror Memory
Rear Parking Aid
Heated Front Seat(s)
Navigation System
Automatic Highbeams
Running Boards/Side Steps
Adjustable Steering Wheel
Bluetooth Connection
Rear Defrost
Power Door Locks
Front Side Air Bag

TRANSMISSION 10-SPEED AUTOMATIC
GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO
ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
Tow Hooks
Front Collision Mitigation
Requires Subscription
Aerial View Display System
MP3 Capability
AM/FM Stereo
Conventional Spare Tire
Fog Lamps
Driver Restriction Features
Variable Speed Intermittent Wipers
Stability Control
Rear Head Air Bag
Tire Pressure Monitor
Driver Air Bag
Heated Steering Wheel
Bed Liner
Smart Device Integration
Front Collision Warning
Tow Hitch
LED Headlights
Power Steering
Aluminum Wheels
Steering Wheel Audio Controls
Daytime Running Lights
Cruise Control
Power Folding Mirrors
Requires Subscription
Front Head Air Bag
Lane Departure Warning
Leather Seats
Adaptive Cruise Control
Tires - Front All-Terrain
Front Collision Warning
Integrated Turn Signal Mirrors
Power Mirror(s)
Bucket Seats
Integrated Tailgate Step
Auxiliary Audio Input
Front Collision Mitigation
MP3 Capability
Locking/Limited Slip Differential
Tires - Rear All-Terrain
Climate Control
Auxiliary Audio Input
Driver Adjustable Lumbar
Telematics
Intermittent Wipers
Power Driver Seat
Daytime Running Lights
Back-Up Camera
Keyless Entry
Telematics
Front Collision Warning
Heated Front Seat(s)
Front Collision Mitigation

Vehicle Highlights

All advertised vehicles are subject to actual dealer availability. Certain vehicles listed may not be available, or may have different prices. Prices exclude state tax, license, document preparation fee, smog fee, and finance charges, if applicable. Vehicle option and pricing are subject to change. Prices include all dealer rebates and dealer incentives. Pricing and availability varies by dealership. Please check with your dealer for more information. Prices do not include dealer charges, such as advertising, that can vary by manufacturer or region, or costs for selling, preparing, displaying or financing the vehicle. Images displayed may not be representative of the actual trim level of a vehicle. Colors shown are the most accurate representations available. However, due to the limitations of web and monitor color display, we cannot guarantee that the colors depicted will exactly match the color of the car. Information provided is believed accurate but all specifications, pricing, and availability must be confirmed in writing (directly) with the dealer to be binding. Neither the Dealer nor Catalyst IQ is responsible for any inaccuracies contained herein and by using this application you the customer acknowledge the foregoing and accept such terms.

Net Price DOES NOT include dealer or vendor installed upgrades, accessories, or added after market items. Those products are OPTIONAL and can be purchased for an additional cost. Call For Details!*

Final prices are price shown plus government fees and taxes, any finance charges, any dealer document preparation charge, and any emission testing charge.

Effective September 1st, 2022, vehicles sold in Canada above $100,000 pre-tax retail price may be subject to a luxury tax of either 20% on the amount above $100,000 or a flat 10% on the full value. This tax is in addition to the Goods and Services Tax (GST). For official information, refer to the Government of Canada website.

New 2026 GMC Sierra 3500HD

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