2025 GMC Sierra 2500

$6,146 off MSRP!2025 GMC Sierra 2500HD AT4 Onyx Black AT4 10-Speed Automatic 4D Crew Cab Duramax 6.6L V8 Turbodiesel 4WDSHOP 100% ONLINE! EXPERIENCE THE CASTLE DIFFERENCE! Free Loaner Vehicles, 72 Hour Love it or Exchange it Policy, Free Vehicle Delivery Service within 50 miles, Ship anywhere in the US, Hassle-Free Online Purchase Experience. SHOP EASY, DRIVE HAPPY! Price does not include tax, title, doc fee of $347.26 or Dealer Added accessories such as LoJack GPS and Security System..AT4 Preferred Package (LED Smoked Amber Roof Marker Lamps, Power Sliding Rear Window w/Defogger, and Universal Home Remote), AT4 Premium Plus Package (Off-Road High Clearance Step (LPO) and Power Sunroof), Gooseneck/5th Wheel Prep Package, Preferred Equipment Group 4SB (120-Volt Bed Mounted Power Outlet, 120-Volt Instrument Panel Power Outlet, 2 Charge-Only Rear USB Ports, 2 Charge/Data USB Ports Inside Center Console, 2 USB Ports, 2-Speed Active Transfer Case, Bed View Camera w/2 Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, Gloss Black Header Grille & Grille Insert Bars, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seats, Keyless Open & Start, LED Cargo Area Lighting, Manual Tilt-Wheel/Telescoping Steering Column, OnStar Services Capable, Power Front Passenger Windows w/Express Up/Down, Push Button Start, Rear Cross Traffic Alert, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Remote Vehicle Starter System, Safety Alert Seat, SiriusXM w/360L Trial Subscription, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Trailer Cam Provisions & Trailer Viewing Software, Trailer Side Blind Zone Alert, Ultrasonic Front & Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Ventilated Driver & Front Passenger Seats, Wireless Charging, and Wireless Phone Projection), Snow Plow Prep/Camper Package (220-Amp Alternator), Technology Package (Inside Rearview Auto-Dimming Rear Camera Mirror and Multicolor 15'' Diagonal Head-Up Display), X31 Off-Road Package (Hill Descent Control), 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 10-Way Power Driver Seat Adjuster w/Lumbar, 10-Way Power Passenger Seat Adjuster w/Lumbar, 3.42 Axle Ratio, 3.73 Rear Axle Ratio, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto High-beam Headlights, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic temperature control, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual 220-Amps Primary/170-Amps Aux Alternators, Dual front impact airbags, Dual front side impact airbags, Electronic Stability Control, Emergency communication system, Engine Block Heater, Exhaust Brake, Following Distance Indicator, Forward Collision Alert, Front anti-roll bar, Front Bucket Seats, Front Center Armrest, Front dual zone A/C, Front fog lights, Front License Plate Kit, Front Pedestrian Braking, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC MultiPro Tailgate Step Lights (LPO), Heated door mirrors, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, High Idle Switch, Hitch Guidance w/Hitch View, Illuminated entry, In-Vehicle Trailering System App, IntelliBeam Automatic High Beam On/Off, Lane Departure Warning System, Low tire pressure warning, Memory seat, Occupant sensing airbag, Off-Road Suspension, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Perforated Leather-Appointed Front Seat Trim, Pickup Box, Power door mirrors, Power driver s