2025 GMC Sierra 2500 Denali Ultimate

Specifications, live market data, colors, and factory features.

231 for sale right now

$63,995 – $124,892

View Listings

Specifications

470

Horsepower

975

lb-ft Torque

Seats

$94k

Base MSRP

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: 79.7″
Wheelbase: 172″
Curb Weight: 8,369 lbs

Body & Practicality

Body Style: Truck
Doors: 4
Seating: 5
Base MSRP: $93,600

Colors

Factory colors on 2025 GMC Sierra 2500 Denali Ultimates for sale now.

Exterior

Onyx Black(black)41
Sterling Metallic(silver)23
White Frost Tricoat(white)20
Titanium Rush Metallic(silver)15
Summit White(white)13
Downpour Metallic(blue)9
Sterling(silver)7
Metallic(blue)6
White Frost Tri-Coat(white)4
Black3

Interior

Alpine Umber(brown)137
Atmosphere/Brownstone(brown)1
Alpine Umber, Full Grain Leather Seat Trim(brown)1
Alpine Umber H40(brown)1
Umber(brown)1
brown1
Brown1

Live Market Data

Computed from active 2025 GMC Sierra 2500 Denali Ultimate listings nationwide, updated continuously.

For sale now231

Median price$81,220

Average price$82,523

Price range$63,995 – $124,892

Median vs. MSRP−$12,380

Avg. days on market58

Avg. mileage22,715 mi

New / Used7 / 224

Price Distribution

Price vs. Mileage

Latest Denali Ultimate Listings

The newest 2025 GMC Sierra 2500 Denali Ultimates on the market.

View all 231 →

Used 2025 GMC Sierra 2500

Denali Ultimate

$79,000

21,719 mi

Est. $1,139/mo*

1 day on market

Brown

Dixie Buick GMC

Fort Myers, FL

Used 2025 GMC Sierra 2500

Denali Ultimate

$82,328

12,871 mi

Est. $1,187/mo*

1 day on market

GrayBrown

Crain Ford of Little Rock

Little Rock, AR

Used 2025 GMC Sierra 2500

Denali Ultimate

$78,467

29,812 mi

Est. $1,132/mo*

1 day on market

BlackBrown

Dorsey-Jones Buick GMC

El Reno, OK

Used 2025 GMC Sierra 2500

Denali Ultimate

$80,109

26,599 mi

Est. $1,155/mo*

1 day on market

Blue

Moses AutoMall of Huntington

Huntington, WV

Used 2025 GMC Sierra 2500

Denali Ultimate

$76,172

42,324 mi

Est. $1,099/mo*

1 day on market

WhiteBrown

Warsaw Buick GMC Chrysler Dodge Jeep RAM

Warsaw, IN

Used 2025 GMC Sierra 2500

Denali Ultimate

$87,299

5,112 mi

Est. $1,258/mo*

1 day on market

GrayBrown

Hardee Auto Sales

Conway, SC

Used 2025 GMC Sierra 2500

Denali Ultimate

$86,220

10,216 mi

Est. $1,242/mo*

1 day on market

BlueBrown

Carsandpickups.com - Austin

Kyle, TX

Used 2025 GMC Sierra 2500

Denali Ultimate

$80,989

14,276 mi

Est. $1,168/mo*

1 day on market

Onyx BlackAlpine Umber

Bomnin Doral Chrysler Dodge Jeep RAM

Miami, FL

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The median 2025 GMC Sierra 2500 Denali Ultimate lists for $81,220 today.

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Factory Features

Standard equipment from the window sticker, reviewed for accuracy.

Comfort & Convenience

16-way power massaging front seats (heated and ventilated)
Heated second-row outboard seats
Dual-zone automatic climate control with rear vents
Heated leather-wrapped steering wheel with tilt/telescoping column
Power-retractable illuminated assist steps
Power sunroof
Power sliding rear window with defogger
Keyless Open and Start
Remote vehicle starter system
Driver memory settings (seat and mirrors)
Wireless phone charging
Universal Home Remote
120-volt cabin and bed power outlets
Multiple USB charge/data ports
Center console with cupholders, phone storage, power-cord management, and hanging file capability
MultiPro six-function tailgate
Spray-on bedliner
Rain-sensing wipers
Power-folding/extending heated trailering mirrors with perimeter lighting

Driver Assistance

Adaptive Cruise Control with trailering
HD Surround Vision
Front and Rear Park Assist
Hitch Guidance with Hitch View
Bed View Camera and trailer camera provisions
Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Safety Alert Seat
Forward Collision Alert
Following Distance Indicator
Lane Departure Warning
Automatic Emergency Braking
Front Pedestrian Braking
IntelliBeam automatic high beams
Multicolor 15-inch diagonal Head-Up Display
Rear Camera Mirror

Entertainment

13.4-inch diagonal Premium GMC Infotainment System with Google built-in apps (including navigation and voice assistance), multi-touch display, AM/FM
Bose Premium Series 12-speaker system with CenterPoint surround, Richbass woofer, and AudioPilot
MultiPro Tailgate Audio System by KICKER
Wireless Apple CarPlay and wireless Android Auto
Bluetooth phone connectivity and audio streaming
SiriusXM with 360L trial subscription
Wi-Fi hotspot capable
Steering-wheel audio controls

Exterior

Signature Vader Chrome grille (Denali Ultimate exclusive)
20-inch Ultra-Bright machined aluminum wheels with gloss-black/black painted inserts (Denali Ultimate exclusive)
LT275/65R20 all-terrain blackwall tires
LT275/70R18 all-terrain blackwall spare with keyed tire-carrier lock
Animated LED projector headlamps with LED turn signals and LED signature daytime running lamps
Animated LED signature taillamps (tail/stop/turn/reverse)
LED fog lamps
IntelliBeam automatic high-beam headlamps
Power-retractable illuminated assist steps with LED perimeter lighting and bright accent
GMC MultiPro six-function tailgate with EZ Lift, power lock and release, and hitch-area light
MultiPro Tailgate Audio System by KICKER
Spray-on bedliner with GMC logo
Power sunroof
Body-color front bumper lower and body-color rear bumper with CornerStep
Chrome door handles, chrome mirror caps, and chrome beltline moldings
Outside power-adjustable vertical trailering mirrors with heated and auto-dimming upper glass, lower convex glass, turn-signal indicators, puddle lamps, perimeter and auxiliary lighting, and power folding/extending
Deep-tinted glass
Rain-sensing front wipers
LED cargo-area lighting (bed and cab-mounted cargo lamps integrated with center high-mount stop lamp)
Smoked amber roof marker lamps
Rear wheelhouse liners
Fixed cargo tie-downs rated 500 lbs per corner
Black integrated bed step (driver and passenger forward bed sides)
Tailgate and bed-rail protection caps
Winter grille cover (Duramax)
Crew Cab; 6-foot-9-inch standard bed (8-foot bed available)

Interior

Exclusive Alpine Umber interior with full-grain leather seating
Authentic open-pore Paldao wood trim
Front bucket seats with floor-mounted center console
16-way power driver and front-passenger seats including lumbar and massage
Heated and ventilated front seats
Heated second-row outboard seats
Driver memory for power driver seat and outside mirrors
Up-level rear 60/40 folding bench with storage package (seatback storage, center armrest with cupholders, full-cab-width underseat storage)
Leather-wrapped heated steering wheel
Manual tilt-and-telescoping steering column with audio controls
Dual-zone automatic climate control with rear air vents
Rear Camera Mirror (inside rearview auto-dimming with full camera display)
Multicolor 15-inch diagonal Head-Up Display
12.3-inch diagonal enhanced reconfigurable multicolor Driver Information Center
13.4-inch diagonal multicolor Premium GMC Infotainment touchscreen
Color-keyed carpeting with carpeted front and rear floor mats
Power sliding rear window with electric rear defogger
Power front windows with express-up/down; power rear windows with express-down
Power door locks
Keyless Open and Start with remote keyless entry
Remote vehicle starter system
Wireless charging
Universal Home Remote
120-volt power outlets (instrument panel and bed-mounted)
USB ports: charge/data in center console and charge-only rear
Unauthorized-entry theft-deterrent system
Front A-pillar and rear B-pillar assist handles
Compass and exterior temperature display
Rear Seat Reminder

Mechanical & Performance

Duramax 6.6L turbo-diesel V8 (470 hp / 975 lb-ft) — standard and exclusive powertrain on Denali Ultimate
Allison 10-speed automatic transmission
Four-wheel drive (4WD only configuration)
Two-speed active electronic Autotrac transfer case with push-button control
Auto-locking rear differential
3.42 rear axle ratio
Diesel exhaust brake
4-wheel antilock disc brakes with Duralife rotors
Brake lining wear indicator
Digital Variable Steering Assist
X31 Off-Road Package: off-road suspension with twin-tube Rancho shocks, skid plates (oil pan, front axle, transfer case), and Hill Descent Control
Fully boxed frame (hydroformed front section, stamped rear section)
Chrome front recovery hooks
Heavy-duty dual 730 cold-cranking-amp batteries with rundown protection and retained accessory power
220-amp alternator
External engine oil cooler and auxiliary external transmission oil cooler
Heavy-duty air filter with air filtration monitoring
Integrated trailer brake controller
Trailering Package: trailer hitch, 7-pin and 4-pin connectors, Hitch Guidance
ProGrade Trailering System with In-Vehicle Trailering App (checklist, maintenance reminders, security alerts, trailer mileage, tow/haul reminder, trailer electrical diagnostics, Trailer Tire Pressure Monitor module)
Capped fuel fill
Pickup bed with integrated bed assist step

Safety & Security

Sierra HD Pro Safety suite
Dual-stage frontal airbags; seat-mounted side-impact airbags; head-curtain airbags for outboard seating positions; front outboard Passenger Sensing System
StabiliTrak electronic stability control with Proactive Roll Avoidance, traction control, electronic trailer sway control, and hill start assist
Automatic Emergency Braking
Front Pedestrian Braking
Forward Collision Alert
Following Distance Indicator
Lane Departure Warning
IntelliBeam automatic high beams
Buckle to Drive
Safety Alert Seat
Teen Driver
Tire Pressure Monitoring System with auto-learn and Tire Fill Alert
Trailer Tire Pressure Monitor Sensors (set of 4 sensors; up to 6 wheels capable)
Trailer Side Blind Zone Alert
Rear Cross Traffic Alert
Rear Seat Belt Indicator
Front seat-belt adjustable guide loops
HD Surround Vision with front camera washer
Bed View Camera (CHMSL) with two trailer camera provisions and trailer viewing software
Hitch Guidance and Hitch Guidance with Hitch View (pan/zoom/tilt)
Front and Rear Park Assist (ultrasonic)
LED signature daytime running lamps
OnStar-capable with OnStar Basics (including Automatic Crash Response); 3-year OnStar Premium Plan
Trailering Information Label (max trailer ratings for tongue, conventional, gooseneck, and fifth-wheel)

Warranty

Bumper-to-Bumper Limited Warranty: 3 years / 36,000 miles
Powertrain Limited Warranty (6.6L Duramax HD): 5 years / 100,000 miles
24/7 Roadside Assistance (6.6L Duramax HD): 5 years / 100,000 miles
Rust-through Corrosion Limited Warranty: 6 years / 100,000 miles
Cosmetic corrosion coverage per New Vehicle Limited Warranty terms (typically 3 years / 36,000 miles)