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Price: $80,728

New 2026 GMC Sierra 2500 AT4 Crew Cab

Stock #M260421
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #M260421 - photo 1
Photo shown is a stock image and not an image of this exact vehicle. Contact us for more information.
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Vehicle Notes

Recent Arrival! Summit White 2026 GMC Sierra 2500HD AT4 10-Speed Automatic, 4WD, Jet Black With Kalahari Accent Leather.Factory MSRP: $89,639AT4 Prefe…
Read More… Recent Arrival! Summit White 2026 GMC Sierra 2500HD AT4 10-Speed Automatic, 4WD, Jet Black With Kalahari Accent Leather.Factory MSRP: $89,639AT4 Preferred Package (LED Smoked Amber Roof Marker Lamps and Universal Home Remote), AT4 Premium Plus Package, Gooseneck/5th Wheel Prep Package, Snow Plow Prep/Camper Package, X31 Off-Road Package (Hill Descent Control and Off-Road Suspension), 10-Speed Automatic, 4WD, Jet Black With Kalahari Accent Leather, 10-Way Power Driver Seat Adjuster with Lumbar, 10-Way Power Passenger Seat Adjuster with Lumbar, 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, 3 Years SiriusXM, 4-Wheel Disc Brakes, 7 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM with 360L, Apple CarPlay/Android Auto, Auto-dimming door mirrors, Auto-dimming Rear-View mirror, Automatic Emergency Braking, Automatic Pre-Collision Braking, Automatic temperature control, Bed View Camera with Two Trailer Camera Provisions, Bose Premium 7-Speaker Sound System, Brake assist, Buckle to Drive, Bumpers: body-color, Compass, Deep-Tinted Glass, Delay-off headlights, Driver door bin, Driver Memory, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Electric Rear-Window Defogger, Electronic Stability Control, Emergency communication system: OnStar, Floor-Mounted Center Console, 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 Pedestrian Braking, Front Premium Floor Liners with Removable Carpet Insert, Front Rain-Sensing Wipers, Front reading lights, Front wheel independent suspension, Fully automatic headlights, Gloss Black Header Grille and Grille Insert Bars, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated door mirrors, Heated Driver and Front Outboard Passenger Seats, Heated front seats, Heated rear seats, Heated steering wheel, Heavy-Duty 80 Amp Battery, Hitch Guidance with Hitch View, Illuminated entry, in-Vehicle Trailering System App, IntelliBeam Automatic High Beam on/Off, Keyless Open and Start, Lane Departure Warning System, LED Cargo Area Lighting, Low tire pressure warning, Manual Tilt-Wheel/Telescoping Steering Column, Memory seat, Occupant sensing airbag, Off-Road High Clearance Step, OnStar Services Capable, 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 seat, Power Front Passenger Windows with Express Up/Down, Power passenger seat, Power steering, Power windows, Premium audio system: Premium GMC Infotainment System, Push Button Start, Radio: AM/FM Stereo with Premium GMC Infotainment System, Rain sensing wipers, Rear Cross Traffic Alert, Rear Premium Floor Liners with Removable Carpet Insert, Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Rear window defroster, Remote keyless entry, Safety Alert Seat, Security system, Set of 4 Wheel Locks, SiriusXM with 360L Trial Subscription, Speed control, Speed-sensing steering, Split folding rear seat, Spray-on Pickup Bedliner with GMC Logo, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Telescoping steering wheel, Tilt steering wheel, Traction control, Trailer Cam Provisions and Trailer Viewing Software, Trailer Side Blind Zone Alert, Trip computer, Turn signal indicator mirrors, Ultrasonic Front and Rear Park Assist, Unauthorized Entry Theft-Deterrent System, Variably intermittent wipers, Ventilated Driver and Front Passenger Seats, Ventilated front seats, Voltmeter, Wheels: 20" High Gloss Black 8 Spokes Aluminum, Wireless Charging, Wireless Charging, and Wireless Phone Projection. Buyer is responsible for Tax, Title,
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Chassis Details

Stock Number
M260421
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
AT4
Interior Color
Jet Black With Kalahari Accent
Seating Capacity
5
Exterior Color Description
Summit White
Engine Cylinder Count
8
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Brake Type
Hydraulic

Vehicle Options

  • SiriusXM with 360L Trial Subscription
  • 10-Way Power Driver Seat Adjuster with Lumbar
  • Driver Memory
  • 10-Way Power Passenger Seat Adjuster with Lumbar
  • Power Front Passenger Windows with Express Up/Down
  • Deep-Tinted Glass
  • Keyless Open and Start
  • Rear Wheelhouse Liners
  • Rear Premium Floor Liners with Removable Carpet Insert
  • Front Premium Floor Liners with Removable Carpet Insert
  • Push Button Start
  • Wireless Charging
  • Electric Rear-Window Defogger
  • Front Rain-Sensing Wipers
  • Spray-on Pickup Bedliner with GMC Logo
  • Floor-Mounted Center Console
  • Pickup Box
  • Gloss Black Header Grille and Grille Insert Bars
  • Safety Alert Seat
  • Radio: AM/FM Stereo with Premium GMC Infotainment System
  • Hill Descent Control
  • Heated Driver and Front Outboard Passenger Seats
  • Heated 2nd Row Outboard Seats
  • 120-Volt Bed Mounted Power Outlet
  • 120-Volt Instrument Panel Power Outlet
  • Ventilated Driver and Front Passenger Seats
  • Heavy-Duty 80 Amp Battery
  • Manual Tilt-Wheel/Telescoping Steering Column
  • 2-Speed Active Transfer Case
  • AT4 Premium Plus Package
  • AT4 Preferred Package
  • Wireless Phone Projection
  • ProGrade Trailering System
  • Hitch Guidance with Hitch View
  • Wheels: 20" High Gloss Black 8 Spokes Aluminum
  • 3 Years SiriusXM
  • Set of 4 Wheel Locks
  • Perforated Leather-Appointed Front Seat Trim
  • Buckle to Drive
  • IntelliBeam Automatic High Beam on/Off
  • Trailer Cam Provisions and Trailer Viewing Software
  • LED Smoked Amber Roof Marker Lamps
  • 2 Charge/Data USB Ports Inside Center Console
  • 2 USB Ports
  • 2 Charge-Only Rear USB Ports
  • Ultrasonic Front and Rear Park Assist
  • OnStar Services Capable
  • Following Distance Indicator
  • in-Vehicle Trailering System App
  • Forward Collision Alert
  • LED Cargo Area Lighting
  • Rear Cross Traffic Alert
  • Lane Departure Warning System
  • Universal Home Remote
  • Automatic Emergency Braking
  • Steering Wheel Audio Controls
  • Front Pedestrian Braking
  • Trailer Side Blind Zone Alert
  • Bose Premium 7-Speaker Sound System
  • Unauthorized Entry Theft-Deterrent System
  • HD Surround Vision
  • Bed View Camera with Two Trailer Camera Provisions
  • Off-Road High Clearance Step
  • Snow Plow Prep/Camper Package
  • X31 Off-Road Package
  • Gooseneck/5th Wheel Prep Package
  • Off-Road Suspension
  • 4-Wheel Disc Brakes
  • Apple CarPlay/Android Auto
  • Premium audio system: Premium GMC Infotainment System
  • Emergency communication system: OnStar
  • AM/FM radio: SiriusXM with 360L
  • Automatic Pre-Collision Braking
  • Compass
  • 7 Speakers
  • Auto-dimming Rear-View mirror
  • Ventilated front seats
  • Variably intermittent wipers
  • Turn signal indicator mirrors
  • Trip computer
  • Traction control
  • Tilt steering wheel
  • Telescoping steering wheel
  • Steering wheel mounted audio controls
  • Split folding rear seat
  • Speed-sensing steering
  • Speed control
  • Security system
  • Remote keyless entry
  • Rear window defroster
  • Rear step bumper
  • Rear seat center armrest
  • Rear reading lights
  • Rain sensing wipers
  • Power windows
  • Power steering
  • Power passenger seat
  • Power driver seat
  • Power door mirrors
  • Passenger vanity mirror
  • Passenger door bin
  • Panic alarm
  • Overhead console
  • Overhead airbag
  • Outside temperature display
  • Occupant sensing airbag
  • Memory seat
  • Low tire pressure warning
  • Illuminated entry
  • Heated steering wheel
  • Heated rear seats
  • Heated front seats
  • Heated door mirrors
  • Fully automatic headlights
  • Front wheel independent suspension
  • Front reading lights
  • Front fog lights
  • Front dual zone A/C
  • Front anti-roll bar
  • Dual front side impact airbags
  • Dual front impact airbags
  • Driver vanity mirror
  • Driver door bin
  • Delay-off headlights
  • Bumpers: body-color
  • Brake assist
  • Automatic temperature control
  • Auto-dimming door mirrors
  • Alloy wheels
  • ABS brakes
  • Voltmeter
  • Tachometer
  • Front Center Armrest
  • Front Bucket Seats
  • Electronic Stability Control
  • Air Conditioning
  • View All
New 2026 GMC Sierra 2500 AT4 Crew Cab for sale #M260421 - photo 1
Photo shown is a stock image and not an image of this exact vehicle. Contact us for more information.

Body Details

Body Type
Pickup
Call For Pricing

Pricing Details

MSRP $89,639
Buick & GMC Consumer Cash Program - $1,000
Dealer Discount - $7,911
Price $80,728
Total Savings $8,911
Additional Upfit Cost

Vehicle available NOW in McHenry, IL.

Contact Castle GMC of McHenry for more info.

(815) 605-6680
Disclaimer:
New vehicle pricing includes all offers and incentives. Tax, Title and Tags not included in vehicle prices shown and must be paid by the purchaser. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service rep. This is easily done by calling us at (866) 983-3343 or by visiting us at the dealership.

**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a 72 month term, 4.9% interest and 20% downpayment.

The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

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