# 2026 GMC Sierra 2500HD AT4X

The 2026 GMC Sierra 2500HD AT4X is a new crew cab pickup finished in Onyx Black. It features a Turbocharged Diesel V8 6.6L/ engine, 4WD, and Diesel power. Standout features include ALTERNATOR 220 AMP, AT4X PREFERRED EQUIPMENT GROUP includes standard equipment, OBSIDIAN RUSH FULL GRAIN LEATHER SEAT TRIM, GVWR 11 350 LBS. (5148 KG), and TRANSMISSION 10-SPEED AUTOMATIC. Available now at Reliable Buick GMC, priced at $99,147.

**Price:** $99,147

## Specifications

- Fuel: Diesel
- Doors: 4
- Seats: 5
- Engine: Turbocharged Diesel V8 6.6L/
- Drivetrain: 4WD
- Transmission: 10-Speed Automatic

## Features

- ALTERNATOR 220 AMP
- AT4X PREFERRED EQUIPMENT GROUP includes standard equipment
- OBSIDIAN RUSH FULL GRAIN LEATHER SEAT TRIM
- GVWR 11 350 LBS. (5148 KG)
- TRANSMISSION 10-SPEED AUTOMATIC
- ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @
- GOOSENECK / 5TH WHEEL PREP PACKAGE -- HITCH PLATFORM TO ACCEPT GOOSENECK OR 5TH WHEEL HITCH. Includes hitch platform wit
- WINTER GRILLE COVER
- ENGINE BLOCK HEATER
- AUDIO SYSTEM 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSIS
- SEATS FRONT BUCKET with center console (STD)
- LICENSE PLATE KIT FRONT INCANDESCENT LIGHTING
- REAR AXLE 3.42 RATIO
- WHEELS 18" (45.7 CM) MACHINED ALUMINUM WHEEL with High Gloss black accents (STD)
- EXHAUST BRAKE
- ONYX BLACK
- Lane Departure Warning
- Front Collision Mitigation
- Front Collision Warning
- Automatic Highbeams
- Tow Hitch
- Running Boards/Side Steps
- Keyless Start
- Locking/Limited Slip Differential
- Four Wheel Drive
- Tow Hooks
- Power Steering
- 4-Wheel Disc Brakes
- Aluminum Wheels
- Tires - Front All-Season
- Tires - Rear All-Season
- Conventional Spare Tire
- Sun/Moonroof
- Generic Sun/Moonroof
- Power Retractable Running Boards
- Bed Liner
- Daytime Running Lights
- Fog Lamps
- Heated Mirrors
- Power Mirror(s)
- Integrated Turn Signal Mirrors
- Power Folding Mirrors
- Privacy Glass
- Intermittent Wipers
- Variable Speed Intermittent Wipers
- Rain Sensing Wipers
- Integrated Tailgate Step
- AM/FM Stereo
- Navigation System
- MP3 Capability
- Bluetooth Connection
- Auxiliary Audio Input
- Smart Device Integration
- Requires Subscription
- Satellite Radio
- Premium Sound System
- WiFi Hotspot
- Bucket Seats
- Leather Seats
- Rear Bench Seat
- Power Driver Seat
- Driver Adjustable Lumbar
- Seat-Massage
- Power Passenger Seat
- Passenger Adjustable Lumbar
- Heated Front Seat(s)
- Cooled Front Seat(s)
- Heated Rear Seat(s)
- Mirror Memory
- Seat Memory
- Floor Mats
- Leather Steering Wheel
- Heated Steering Wheel
- Steering Wheel Audio Controls
- Adjustable Steering Wheel
- Heads-Up Display
- Power Windows
- Rear Defrost
- Sliding Rear Window
- Power Door Locks