2026 GMC Sierra 3500 Denali Ultimate
Specifications, live market data, colors, and factory features.
847 for sale right now
$85,736 – $130,990
Specifications
Performance
- Engine
- 6.6L V-Shaped L5P
- Horsepower
- 470 hp
- Torque
- 975 lb-ft
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
Fuel & Efficiency
- Fuel
- Diesel
- Fuel Tank
- 36 gal
Dimensions
- Length
- 266.8″
- Width
- 81.9″
- Height
- 80.8″
- Wheelbase
- 172″
- Curb Weight
- 8,399 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $97,400
Colors
Factory colors on 2026 GMC Sierra 3500 Denali Ultimates for sale now.
Exterior
- Onyx Black(black)79
- Glacier White Tricoat(white)59
- Summit White(white)36
- Glacier White(white)34
- Sterling Metallic(silver)31
- Downpour Metallic(blue)24
- Sterling(silver)16
- Black14
- White13
- Gray11
Interior
- Alpine Umber(brown)314
- Alpine Umber, Full Grain Leather seating surfaces(brown)12
- Alpine Umber Full Grain Leather Seating Surfaces(blue)4
- BROWN/BLACK(brown)3
- Alpine Umber, Full Grain Leather Seating Surfaces(brown)2
- ALPINE UMBER(brown)2
- Alpine Umber Full Grain L(brown)1
Live Market Data
Computed from active 2026 GMC Sierra 3500 Denali Ultimate listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest Denali Ultimate Listings
The newest 2026 GMC Sierra 3500 Denali Ultimates on the market.

New 2026 GMC Sierra 3500
$93,474
Est. $1,346/mo*
Todd Wenzel Buick GMC

New 2026 GMC Sierra 3500
$103,124
Est. $1,483/mo*
Carbone Buick GMC Cadillac

New 2026 GMC Sierra 3500
$106,327
Est. $1,529/mo*
Brickell Buick & GMC

New 2026 GMC Sierra 3500
$101,220
Est. $1,456/mo*
Dan Powers Chevrolet GMC

New 2026 GMC Sierra 3500
$104,699
Est. $1,505/mo*
Lake Chevy Buick GMC- Devils Lake Cars

New 2026 GMC Sierra 3500
$106,050
Est. $1,525/mo*
Gregg Young Buick GMC

New 2026 GMC Sierra 3500
$100,799
Est. $1,450/mo*
Lake Chevy Buick GMC- Devils Lake Cars

New 2026 GMC Sierra 3500
$94,766
Est. $1,364/mo*
Mike Maroone Chevrolet Buick GMC Longmont
What's Yours
Worth?
The median 2026 GMC Sierra 3500 Denali Ultimate lists for $99,671 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Keyless Open and Start with remote keyless entry
- Remote vehicle starter system
- Dual-zone automatic climate control
- Heated steering wheel
- Heated/ventilated front seats and heated rear outboard seats
- 16-way power massaging front seats with driver memory
- Power-retractable illuminated assist steps
- Power sunroof
- Universal Home Remote
- Wireless charging pad
- 120-volt cabin and bed power outlets
- MultiPro Tailgate with EZ Lift assist
- Rain-sensing wipers
- Power-folding/extending trailering mirrors
Driver Assistance
- Adaptive Cruise Control (trailering-compatible)
- HD Surround Vision multi-camera system
- Hitch Guidance and Hitch Guidance with Hitch View
- In-Vehicle Trailering App (checklist, maintenance reminders, security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics, trailer tire-pressure monitoring module)
- Trailer Side Blind Zone Alert
- Rear Cross Traffic Alert
- Front and Rear Park Assist
- Lane Departure Warning
- Forward Collision Alert with Following Distance Indicator
- IntelliBeam automatic high-beam assist
Entertainment
- 13.4-inch diagonal Premium GMC Infotainment System with Google built-in (navigation and voice assistance)
- Wireless Apple CarPlay and wireless Android Auto
- Bluetooth phone connectivity and streaming audio
- Bose Premium Series 12-speaker system with CenterPoint surround sound, Richbass woofer, and AudioPilot
- MultiPro Tailgate Audio System by KICKER
- SiriusXM with 360L trial subscription
- Wi-Fi Hotspot capable
- AM/FM stereo with multi-touch display
Exterior
- Signature Denali Ultimate grille in Vader chrome with high-gloss black surround
- Exclusive 20-inch Ultra-Bright machined aluminum wheels with gloss-black inserts (SRW); 18-inch polished forged aluminum wheels with Denali center caps (DRW)
- All-terrain blackwall tires (LT275/65R20 SRW or LT235/80R18 DRW) with matching spare
- Power sunroof
- Power-retractable illuminated assist steps with LED perimeter lighting and bright accent
- GMC MultiPro six-function Tailgate with EZ Lift, power lock/release, and hitch-area lighting
- MultiPro Tailgate Audio System by KICKER
- Spray-on bedliner with GMC logo
- Animated LED projector headlamps with LED turn signals and signature LED daytime running lamps
- Animated LED signature taillamps (stop/turn/reverse)
- LED fog lamps
- IntelliBeam automatic high-beam headlamps
- Outside power-adjustable vertical trailering mirrors with heated and auto-dimming upper glass, lower convex mirrors, turn-signal indicators, puddle lamps, perimeter and auxiliary lighting, and power folding/extending
- Chrome mirror caps
- Chrome door handles
- Deep-tinted glass
- Rain-sensing front wipers
- Power sliding rear window with rear defogger
- Body-color front bumper (body-color lower) and body-color rear bumper with CornerStep
- Integrated black bed steps (driver and passenger)
- Stainless-steel beltline moldings
- LED cargo-area lighting (cab-mounted and bed)
- 12 fixed cargo tie-downs (500 lbs per corner)
- Tailgate and bed-rail protection caps
- Winter grille cover
- Tire carrier lock
- Smoked amber LED roof marker lamps (standard with dual rear wheels)
Interior
- Exclusive Alpine Umber interior with full-grain leather seating surfaces
- Authentic Paldao wood trim
- 16-way power driver and front passenger seats with power lumbar and massage
- Heated and ventilated front seats
- Heated second-row outboard seats
- Front bucket seats with floor-mounted center console
- Driver memory (power driver seat and outside mirrors)
- Up-level rear seat with Storage Package (60/40 folding bench, seatback storage, center armrest with cupholders, full-width underseat storage)
- Heated leather-wrapped steering wheel with audio controls
- Manual tilt and telescoping steering column
- Dual-zone automatic climate control with rear air vents
- Rear Camera Mirror (auto-dimming with full camera display)
- Multicolor 15-inch diagonal head-up display
- 12.3-inch diagonal reconfigurable multicolor Driver Information Center
- 13.4-inch diagonal multicolor Premium GMC Infotainment touchscreen
- Wireless phone charging
- Multiple USB ports (charge/data in console and charge-only rear)
- 120-volt power outlets (instrument panel and bed-mounted)
- Universal Home Remote
- Color-keyed carpeting with carpeted front and rear floor mats
- Power door locks
- Power windows (driver and front passenger express up/down; rear express down)
- Electric rear-window defogger
- Theft-deterrent unauthorized-entry system
- Front and rear assist handles
- Compass and exterior temperature display
Mechanical & Performance
- Duramax 6.6L Turbo-Diesel V8 (470 hp / 975 lb-ft) — standard on Denali Ultimate
- Allison 10-speed automatic transmission
- Four-wheel drive
- Two-speed active electronic AutoTrac transfer case with push-button control
- Auto-locking rear differential
- 3.42 rear axle ratio
- Integrated trailer brake controller
- Trailering Package (trailer hitch, 7-pin and 4-pin connectors, Hitch Guidance)
- ProGrade Trailering System (Hitch Guidance with Hitch View and In-Vehicle Trailering App)
- Exhaust brake
- 4-wheel antilock disc brakes with DuraLife rotors
- Brake lining wear indicator
- Digital Variable Steering Assist
- X31 Off-Road Package (Hill Descent Control, skid plates protecting oil pan/front axle/transfer case, off-road suspension with twin-tube Rancho shocks)
- Fully boxed frame with hydroformed front section and stamped rear section
- Chrome front recovery hooks
- Heavy-duty air filter with air filtration monitoring
- External engine oil cooler
- Auxiliary external transmission oil cooler
- Heavy-duty 730 cold-cranking amps / 70 Amp-hr battery with rundown protection and retained accessory power
- 220-amp alternator
- Capped fuel fill
- Push-button start
- Pickup bed (roll-formed high-strength steel)
Safety & Security
- Sierra HD Pro Safety suite
- Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian Braking
- Following Distance Indicator
- Lane Departure Warning
- IntelliBeam automatic high beams
- Buckle to Drive
- Safety Alert Seat
- Trailer Side Blind Zone Alert
- Rear Cross Traffic Alert
- HD Surround Vision with front camera washer
- Bed View Camera with trailer camera provisions
- Hitch Guidance with Hitch View (pan/zoom/tilt)
- Front and Rear Park Assist (ultrasonic)
- Tire Pressure Monitoring System with Tire Fill Alert
- Trailer Tire Pressure Monitor Sensors (set of 4; requires In-Vehicle Trailering App)
- StabiliTrak electronic stability control with Proactive Roll Avoidance, traction control, electronic trailer sway control, and Hill Start Assist
- Hill Descent Control
- Dual-stage frontal airbags; seat-mounted side-impact airbags; head-curtain airbags for outboard seating positions; Passenger Sensing System
- Teen Driver
- Rear Seat Reminder
- Rear seat belt warning indicator
- Seat-belt adjustable guide loops (front)
- OnStar Basics (remote commands, built-in voice assistance, real-time traffic/navigation, Automatic Crash Response)
- OnStar Services capable
- Theft-deterrent system
Warranty
- Basic limited warranty: 3 years / 36,000 miles
- Powertrain limited warranty: 5 years / 60,000 miles
- Corrosion coverage: 3 years / 36,000 miles
- Rust-through protection: 6 years / 100,000 miles
- Roadside Assistance: 5 years / 60,000 miles
- KICKER MultiPro Tailgate Audio System limited warranty (non-GM): 3 years / 36,000 miles