# 2026 GMC Sierra 3500HD AT4

The 2026 GMC Sierra 3500HD AT4 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 ASSIST STEPS POWER-RETRACTABLE BLACK includes LED lighting, REAR CAMERA MIRROR inside rearview auto-dimming with full camera display, GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform wit, LICENSE PLATE KIT FRONT, and TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD). Available now at Reliable Buick GMC, priced at $82,827.

**Price:** $82,827

## Specifications

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

## Features

- ASSIST STEPS POWER-RETRACTABLE BLACK includes LED lighting
- REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
- GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform wit
- LICENSE PLATE KIT FRONT
- TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD)
- AUDIO SYSTEM 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM with Google built in apps such as navigation and voice assis
- TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
- 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] @
- WINTER GRILLE COVER
- WINDOW POWER REAR SLIDING with rear defogger
- UNIVERSAL HOME REMOTE
- ENGINE BLOCK HEATER
- SUNROOF POWER
- AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
- AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off
- REAR AXLE 3.42 RATIO
- GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
- EXHAUST BRAKE
- WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 SPOKES (STD)
- ONYX BLACK
- AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
- ALTERNATOR 220 AMPS
- SEATS FRONT BUCKET WITH CENTER CONSOLE (STD)
- MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
- JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEATING SURFACES
- 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-Terrain
- Tires - Rear All-Terrain
- Conventional Spare Tire
- Bed Liner
- Daytime Running Lights
- LED Headlights
- Fog Lamps
- Heated Mirrors
- Power Mirror(s)
- Integrated Turn Signal Mirrors
- Power Folding Mirrors
- Intermittent Wipers
- Variable Speed Intermittent Wipers
- Rain Sensing Wipers
- Privacy Glass
- Integrated Tailgate Step
- AM/FM Stereo
- Navigation System
- MP3 Capability
- Bluetooth Connection
- Auxiliary Audio Input
- Smart Device Integration
- Satellite Radio
- Requires Subscription
- Premium Sound System
- WiFi Hotspot
- Bucket Seats
- Leather Seats
- Power Driver Seat
- Driver Adjustable Lumbar
- Power Passenger Seat
- Passenger Adjustable Lumbar
- Pass-Through Rear Seat
- Rear Bench Seat
- Heated Front Seat(s)
- Cooled Front Seat(s)
- Heated Rear Seat(s)
- Mirror Memory
- Seat Memory
- Floor Mats
- Heated Steering Wheel

## Available offers

- Purchase Allowance — $1,000