2026 GMC Sierra 2500 Denali Ultimate
Specifications, live market data, colors, and factory features.
2,649 for sale right now
$84,990 – $119,990
Specifications
Performance
- Engine
- 6.6L V8 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
- 79.7″
- Wheelbase
- 172″
- Curb Weight
- 8,353 lbs
Body & Practicality
- Body Style
- Truck
- Doors
- 4
- Seating
- 5
- Base MSRP
- $94,500
Colors
Factory colors on 2026 GMC Sierra 2500 Denali Ultimates for sale now.
Exterior
- Onyx Black(black)70
- Glacier White Tricoat(white)51
- Sterling Metallic(silver)40
- Summit White(white)24
- Downpour Metallic(blue)23
- Sterling(silver)15
- Glacier White(white)14
- Titanium Rush Metallic(gray)10
- Metallic7
- White5
Interior
- Alpine Umber(brown)258
- H40(brown)1
- Alpine Umber Full Grain Leather Seat Trim(blue)1
Live Market Data
Computed from active 2026 GMC Sierra 2500 Denali Ultimate listings nationwide, updated continuously.
Price Distribution
Price vs. Mileage
Latest Denali Ultimate Listings
The newest 2026 GMC Sierra 2500 Denali Ultimates on the market.

New 2026 GMC Sierra 2500
$96,842
Est. $1,394/mo*
Dekalb Sycamore Chevrolet Cadillac GMC

New 2026 GMC Sierra 2500
$97,264
Est. $1,400/mo*
Crain Buick GMC of Springdale

New 2026 GMC Sierra 2500
$89,111
Est. $1,283/mo*
Rob Green Buick GMC

New 2026 GMC Sierra 2500
$92,501
Est. $1,332/mo*
Rob Green Buick GMC

New 2026 GMC Sierra 2500
$98,677
Est. $1,420/mo*
Brickell Buick & GMC

New 2026 GMC Sierra 2500
$100,854
Est. $1,451/mo*
Tulley Buick GMC

New 2026 GMC Sierra 2500
$100,254
Est. $1,442/mo*
Tulley Buick GMC

New 2026 GMC Sierra 2500
$100,254
Est. $1,442/mo*
Tulley Buick GMC
What's Yours
Worth?
The median 2026 GMC Sierra 2500 Denali Ultimate lists for $93,854 today.
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Factory Features
Standard equipment from the window sticker, reviewed for accuracy.
Comfort & Convenience
- Power sunroof (included on Denali Ultimate)
- Keyless Open and Start / push-button start
- Remote vehicle start
- Wireless phone charging
- Universal Home Remote
- Dual-zone automatic climate control
- 120-volt instrument-panel power outlet
- 120-volt bed-mounted power outlet
- Multiple USB charge/data ports (center console and rear)
- Heated steering wheel
- Rain-sensing front wipers
- Electric rear-window defogger
Driver Assistance
- Technology Package standard on Denali Ultimate: multicolor 15" diagonal Head-Up Display
- Technology Package standard on Denali Ultimate: Rear Camera Mirror (auto-dimming inside rearview camera mirror)
- HD Surround Vision (multiple camera views)
- Front and rear Park Assist
- Trailer Side Blind Zone Alert
- Hitch Guidance with Hitch View
- Trailering camera provisions / trailer viewing software
- Adaptive Cruise Control (included on Denali Ultimate equipment)
Entertainment
- 13.4" diagonal Premium GMC Infotainment System with Google built-in compatibility, navigation capability, and Bluetooth
- Wireless Apple CarPlay and Wireless Android Auto for compatible phones
- Bose Premium Series 12-speaker system with Centerpoint surround sound
- MultiPro Tailgate Audio System by KICKER
- SiriusXM with trial subscription
- 8 years of OnStar Basics
- 3 years of OnStar One (see OnStar for terms/plans)
- Wi-Fi hotspot capability
Exterior
- Signature Vader Chrome Denali Ultimate grille and front fascia
- Exclusive 20" Ultra-Bright machined aluminum wheels with gloss-black inserts
- Chrome front recovery hooks
- Animated LED projector headlamps
- LED fog lamps
- IntelliBeam automatic high-beam headlamps
- Illuminated power-retractable assist steps
- Power-folding/power-extending heated trailering mirrors with auto-dimming glass
- GMC MultiPro six-function tailgate
- MultiPro Tailgate Audio System by KICKER
- Spray-on bedliner with GMC logo
- LED cargo-area lighting
- Power sliding rear window with rear defogger
- Deep-tinted glass
- Rear wheelhouse liners
- Pickup box (standard 6'9" bed; 8' long bed available by configuration)
Interior
- Exclusive Alpine Umber interior
- Full-grain leather seating surfaces
- Authentic Paldao wood trim
- 16-way power front bucket seats with massage feature
- Ventilated front seats
- Heated front seats
- Heated rear outboard seats
- Driver seat and outside-mirror memory
- 60/40 split-folding rear bench seat with underseat storage package
- Floor-mounted center console
- Leather-wrapped steering wheel
- Manual tilt and telescoping steering column
- 12.3" diagonal multicolor Driver Information Center
Mechanical & Performance
- Duramax 6.6L Turbo-Diesel V8 engine (standard on Denali Ultimate; 470 hp / 975 lb-ft)
- Allison 10-speed automatic transmission
- 4WD only (Crew Cab)
- 2-speed Autotrac/active transfer case
- Auto-locking rear differential
- StabiliTrak electronic stability control with Trailer Sway Control and Hill Start Assist
- Digital Variable Steering Assist
- Trailering Package
- Integrated trailer brake controller
- In-vehicle Vehicle Trailering App / In-Vehicle Trailering System
- Hitch Guidance with Hitch View
- All-terrain tires (LT275/65R20 AT)
- 220-amp alternator
- Dual heavy-duty batteries
Safety & Security
- Sierra HD Pro Safety suite
- Automatic Emergency Braking
- Forward Collision Alert
- Front Pedestrian Braking
- Following Distance Indicator
- Lane Departure Warning
- IntelliBeam auto high beams
- Buckle to Drive
- Safety Alert Seat
- Rear Cross Traffic Alert
- Trailer Side Blind Zone Alert
- HD Surround Vision
- Ultrasonic front and rear Park Assist
- Bed View Camera (with trailer camera provisions)
- Unauthorized-entry theft-deterrent system
- OnStar and connected services capability
Warranty
- 3-year/36,000-mile Bumper-to-Bumper Limited Warranty (whichever comes first)
- 5-year/100,000-mile Powertrain Limited Warranty (whichever comes first)
- 5-year/100,000-mile Roadside Assistance and Courtesy Transportation
- First maintenance visit included (see GMC.com or dealer for terms, details, and limits)