Power Front Windows with Passenger Express Up/Down
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
Speed-sensing steering
Traction control
4-Wheel Disc Brakes
ABS brakes
Dual front impact airbags
Dual front side impact airbags
Emergency communication system: OnStar Services capable
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 Bed
Brake assist
Electronic Stability Control
Lane Departure Warning System
Exterior Parking Camera Rear
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-Hour Battery
Auto-dimming door mirrors
Bumpers: body-color
Heated door mirrors
IntelliBeam Automatic High Beam on/Off
LED Cargo Area Lighting
LED Smoked Amber Roof Marker Lamps
Power door mirrors
ProGrade Trailering System
Rear step bumper
Signature Denali Ultimate Grille in Vader 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
Auto-Dimming Inside Rearview Mirror with Camera
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
GMC Premium 13.4" Diagonal Information Display
HD Surround Vision
Heated steering wheel
Illuminated entry
Leather steering wheel
Multicolor 15" Diagonal Head-Up Display
Outside temperature display
Overhead console
Passenger vanity mirror
Rear Cross Traffic Alert
Rear reading lights
Rear seat center armrest
Safety Alert Seat
Tachometer
Telescoping steering wheel
Tilt steering wheel
Trailer Camera Provisions
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
Split folding rear seat
Ventilated Driver and Front Passenger Seats
Ventilated front seats
Passenger door bin
Hitch Guidance with Hitch View
in-Vehicle Trailering App
Trailer Tire Pressure Monitor Sensors
Alloy wheels
Deep-Tinted Glass
Front Rain-Sensing Wipers
Power Sliding Rear Window with Defogger
Variably intermittent wipers
3.42 Rear Axle Ratio
Description
The 2026 GMC Sierra 3500HD Denali Ultimate represents premium heavy-duty capability designed for those who demand the best in their work and lifestyle vehicles.- Duramax 6.6L V8 Turbodiesel engine with 10-speed automatic transmission- Gooseneck/5th Wheel Prep Package for seamless trailer compatibility- Multicolor 15" diagonal head-up display with advanced visibility features- Bose Premium Series 12-speaker audio system with SiriusXM 360L- Full grain leather seat trim with 16-way power adjusters and lumbar support on both front seats- Heated and ventilated front seats with heated rear outboard seats- ProGrade Trailering System with hitch guidance and in-vehicle trailering app- HD Surround Vision with bed view and trailer camera provisions- Advanced safety suite including automatic emergency braking and lane departure warning- Wireless charging and wireless phone projection- Power moonroof with deep-tinted glass- 220-amp alternator with dual heavy-duty batteriesThis Denali Ultimate configuration delivers comprehensive connectivity and comfort features that elevate the ownership experience. The 4-wheel independent front suspension combined with electronic stability control and traction management creates a refined ride despite the truck's substantial capability. Automatic emergency braking, front pedestrian braking, and rear cross traffic alert work together with the advanced camera system to provide confidence during daily operation.The interior showcases genuine wood dashboard and door panel inserts alongside the leather-appointed 16-way power seats with memory settings. Climate control includes front dual-zone automatic temperature management, heated steering wheel, and remote vehicle starter for year-round convenience. The GMC Premium 13.4-inch information display pairs with steering wheel audio controls and multiple USB ports to keep you connected.Trailering capabilities are enhanced through the integrated ProGrade system, which includes trailer tire pressure monitoring, hitch guidance with hitch view, and the in-vehicle trailering app. The spray-on bedliner with GMC logo protects your investment, while the signature Denali Ultimate grille in Vader Chrome makes a distinctive statement.This Sierra 3500HD comes equipped with three years of SiriusXM service, providing access to premium entertainment and information. The combination of advanced technology, premium materials, and engineering excellence creates a truck that performs as impressively as it appears.Contact us today to schedule your test drive and experience why the Denali Ultimate stands apart in the heavy-duty market.