2025 GMC Sierra 3500HD AT4

2025 GMC Sierra 3500HD AT4 4WD Premium Plus | Tech + Towing Beast | Whitaker GMC Forest Lake, MNSummit White | 4WD | AT4 Premium Plus + X31 Off-Road | Fully Equipped for Work & ComfortThe 2025 Sierra 3500HD AT4 delivers full-on capability, premium interior luxury, and every high-tech feature GMC has to offer. This Summit White 1-ton powerhouse is loaded with advanced trailering tools, off-road gear, and cabin refinement now available at Whitaker GMC in Forest Lake, Minnesota.Top Features & PackagesAT4 Premium Plus Package + X31 Off-RoadSkid Plates, Hill Descent Control, Spray-On Bedliner w/GMC LogoOff-Road High Clearance Steps (LPO)Snow Plow Prep/Camper PackageGooseneck/5th Wheel Prep PackageTrailer Camera Provisions + Side Blind Zone Alert*Technology & Safety13.4 GMC Premium Display + 15 Head-Up DisplayHD Surround Vision + Bed View CameraRear Cross Traffic Alert + Forward Collision AlertIntelliBeam Auto High Beams + Safety Alert Seat*Interior Comfort & ConvenienceJet Black with Kalahari Accents LeatherHeated & Ventilated Front Seats + Heated Rear SeatsPower Moonroof + Sliding Rear WindowBose Premium 7-Speaker AudioWireless Charging + Wireless Phone ProjectionUSB Ports in Console, Cabin, Rear Seats + Bed*Built to Work. Built to Win.2-Speed Active Transfer Case220 Amp Alternator + 120V Bed & Dash OutletsBed View + Trailer Monitoring CamerasRainSense Wipers + LED Roof Marker LampsRemote Start + Universal Home RemoteAvailable Now at Whitaker GMC Forest Lake, MNYour local GMC truck headquarters for Forest Lake, Minneapolis, St. Paul & surrounding areas.Includes The Whitaker Lifetime Powertrain Warranty!

• REAR CAMERA MIRROR inside rearview auto-dimming with full camera display
• GVWR 11 550 LBS. (5239 KG) WITH SINGLE REAR WHEELS (STD)
• 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).
• 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 assistance includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones
• featuring wireless Android Auto and Apple CarPlay capability for compatible phones. (STD)
• TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display
• WHEELS 20 (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 SPOKES
• TRANSMISSION ALLISON 10-SPEED AUTOMATIC (STD)
• TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors. Sensor functionality requires (UET) In-vehicle Trailering App to be ordered with the vehicle and installed by the factory. Sensors will be shipped loose with the truck and will need to be installed on trailer by customer. System is capable of monitoring up to 6 wheels. Additional or replacement sensors are available through GM Accessories
• WINDOW POWER REAR SLIDING with rear defogger
• SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions (Includes (KW5) 220-amp alternator
• UNIVERSAL HOME REMOTE
• ENGINE BLOCK HEATER
• SUNROOF POWER
• SUMMIT WHITE
• AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
• LAMPS SMOKED AMBER ROOF MARKER (LED)
• LPO OFF-ROAD HIGH CLEARANCE STEP (dealer-installed)
• AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO
• 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
• REAR AXLE 3.73 RATIO
• ENGINE 6.6L V8 WITH DIRECT INJECTION AND VARIABLE VALVE TIMING GASOLINE (401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD)
• 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
• ABS
• 4-Wheel Disc Brakes
• Aluminum Wheels
• Tires - Front All-Terrain
• Tires - Rear All-Terrain
• Conventional Spare Tire
• Bed Liner
• Daytime Running Lights
• LED Headlights

• Automatic Highbeams
• 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
• Satellite Radio
• Requires Subscription
• Premium Sound System
• Bluetooth Connection
• Bluetooth Connection
• Smart Device Integration
• 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)
• Heated Front Seat(s)
• Cooled Front Seat(s)
• Heated Rear Seat(s)
• Mirror Memory
• Seat Memory
• Floor Mats
• Floor Mats
• Heated Steering Wheel
• Adjustable Steering Wheel
• Steering Wheel Audio Controls
• Tire Pressure Monitor
• Power Windows
• Power Windows
• Power Door Locks

• Remote Engine Start
• Keyless Entry
• Power Door Locks
• Keyless Start
• Cruise Control
• Adaptive Cruise Control
• Security System
• MP3 Capability
• Auxiliary Audio Input
• MP3 Capability
• Auxiliary Audio Input
• Climate Control
• Multi-Zone A/C
• A/C
• Rear Defrost
• Auto-Dimming Rearview Mirror
• Front Collision Mitigation
• Front Collision Warning
• Traction Control
• Stability Control
• Daytime Running Lights
• Daytime Running Lights
• Driver Air Bag
• Passenger Air Bag
• Front Side Air Bag
• Front Head Air Bag
• Rear Head Air Bag
• Passenger Air Bag Sensor
• Telematics
• Requires Subscription
• Rear Parking Aid
• Back-Up Camera
• Aerial View Display System
• Back-Up Camera
• Cross-Traffic Alert
• Blind Spot Monitor
• Lane Departure Warning
• Front Collision Warning
• Front Collision Mitigation
• Driver Restriction Features
• Tire Pressure Monitor
• Navigation System
• Telematics
• Requires Subscription