Meet the 2026 GMC Sierra 2500HD Denali Ultimate—a full-size crew cab diesel pickup engineered for superior capability and uncompromising luxury. Finis… Read More…
Meet the 2026 GMC Sierra 2500HD Denali Ultimate—a full-size crew cab diesel pickup engineered for superior capability and uncompromising luxury. Finished in striking blue with rich Alpine Umber leather, this heavy-duty truck combines the Duramax 6.6L turbodiesel engine with a smooth 10-speed automatic transmission and confident 4WD capability. Built for buyers who demand both refined comfort and genuine work-ready performance, the Denali Ultimate stands as the pinnacle of Sierra 2500HD refinement.**Key Features:**- Duramax 6.6L V8 Turbodiesel with 10-Speed Automatic and 4WD- Full Grain Leather with 16-Way Power Driver and Passenger Seats with Lumbar Support- Heated and Ventilated Front Seats with Heated Rear Outboard Seats- Multicolor 15" Head-Up Display with Premium GMC Infotainment System- Apple CarPlay and Android Auto Smartphone Integration- Bose Premium Series 12-Speaker Audio with SiriusXM- Max Trailering Package with Gooseneck/5th Wheel Prep- Ultrasonic Front and Rear Park Assist with HD Surround Vision- Advanced Safety: Automatic Emergency Braking, Lane Departure Warning, Rear Cross Traffic Alert- 20" Ultra-Bright Machined Aluminum Wheels with All-Weather Floor LinersThis Sierra represents the ultimate expression of modern truck luxury and capability. With its commanding presence, refined interior appointments, and comprehensive tech suite, this Denali Ultimate is ready to handle your toughest jobs while delivering the premium ownership experience GMC is known for. Schedule your test drive today and experience why discerning truck buyers choose the Sierra 2500HD. Read Less
Chassis Details
Stock Number
24164
Stock Type
New
Year
2026
Make
GMC
Model
Sierra 2500
Class
3
Drivetrain
4WD
Cab Type
Crew
Vehicle Trim
Denali Ultimate
Interior Color
Alpine Umber
Seating Capacity
6
Exterior Color Description
Downpour Metallic
Engine Cylinder Count
8
Transmission Type
Automatic
Fuel Type
Diesel
Engine Model
L5P
Engine Size (L)
6.6
Vehicle Options
Gooseneck/5th Wheel Prep Package
Max Trailering Package
Preferred Equipment Group 5SB
Snow Plow Prep/Camper Package
Technology Package
X31 Off-Road Package
12 Speakers
AM/FM radio: SiriusXM with 360L
Bose Premium Series 12-Speaker System
Premium audio system: Premium GMC Infotainment System
Radio: AM/FM Stereo with Premium GMC Infotainment System
SiriusXM with 360L Trial Subscription
Steering Wheel Audio Controls
Air Conditioning
Automatic temperature control
Electric Rear-Window Defogger
Front dual zone A/C
Rear window defroster
120-Volt Bed Mounted Power Outlet
120-Volt Instrument Panel Power Outlet
Driver Memory
Heads-Up Display
Memory seat
Power driver seat
Power steering
Power windows
Push Button Start
Remote keyless entry
Remote Vehicle Starter System
Steering wheel mounted audio controls
Universal Home Remote
Manual Tilt-Wheel/Telescoping Steering Column
Off-Road Suspension
Speed-sensing steering
Traction control
4-Wheel Disc Brakes
ABS brakes
Dual front impact airbags
Dual front side impact airbags
Emergency communication system: OnStar
Front anti-roll bar
Front wheel independent suspension
Keyless Open and Start
Low tire pressure warning
Occupant sensing airbag
Overhead airbag
Power moonroof
Power Sunroof
Pickup Box
Brake assist
Electronic Stability Control
Lane Departure Warning System
Hill Descent Control
Auto High-beam Headlights
Delay-off headlights
Front fog lights
Fully automatic headlights
Panic alarm
Security system
Unauthorized Entry Theft-Deterrent System
Speed control
2-Speed Active Transfer Case
220-Amp Alternator
Block heater
Dual Heavy-Duty 70 Amp Battery
Auto-dimming door mirrors
Bumpers: body-color
Front License Plate Kit
Heated door mirrors
IntelliBeam Automatic High Beam on/Off
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Power door mirrors
Rear step bumper
Rear Wheelhouse Liners
Signature Denali Ultimate Grille in Vadar Chrome
Spray-on Pickup Bedliner with GMC Logo
Turn signal indicator mirrors
2 Charge-Only Rear USB Ports
2 Charge/Data USB Ports Inside Center Console
2 USB Ports
All-Weather Floor Liners
Apple CarPlay/Android Auto
Auto-dimming Rear-View mirror
Automatic Emergency Braking
Bed View Camera with Two Trailer Camera Provisions
Buckle to Drive
Compass
Driver door bin
Driver vanity mirror
Floor-Mounted Center Console
Following Distance Indicator
Forward Collision Alert
Front Pedestrian Braking
Front reading lights
Garage door transmitter
Genuine wood dashboard insert
Genuine wood door panel insert
HD Surround Vision
Heated steering wheel
Illuminated entry
Inside Rearview Auo-Dimming Rear Camera Mirror
Leather steering wheel
Multicolor 15" Diagonal Head-Up Display
OnStar Services Capable
Outside temperature display
Overhead console
Passenger vanity mirror
Rear Cross Traffic Alert
Rear reading lights
Rear seat center armrest
Tachometer
Telescoping steering wheel
Tilt steering wheel
Trailer Cam Provisions and Trailer Viewing Software
Trailer Side Blind Zone Alert
Trip computer
Ultrasonic Front and Rear Park Assist
Voltmeter
Wireless Charging
Wireless Phone Projection
16-Way Power Driver Seat Adjuster with Lumbar
16-Way Power Passenger Seat Adjuster with Lumbar
Front Bucket Seats
Front Center Armrest
Full Grain Leather Seat Trim
Heated 2nd Row Outboard Seats
Heated Driver and Front Outboard Passenger Seats
Heated front seats
Heated rear seats
Power passenger seat
Rear Underseat Storage
Safety Alert Seat
Split folding rear seat
Ventilated Driver and Front Passenger Seats
Ventilated front seats
Passenger door bin
Hitch Guidance with Hitch View
in-Vehicle Trailering System App
Trailer Tire Pressure Monitor Sensors
Alloy wheels
Wheels: 20" Ultra-Bright Machined Aluminum
Deep-Tinted Glass
Front Rain-Sensing Wipers
Power Front Passenger Windows with Express Up/Down