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O'Neil GMC · Warminster, PA

2026 GMC Sierra 2500 HD Denali Ultimate

6 miles · truck · Price dropped $6,000

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimDenali Ultimate
Stock numberT752
Mileage6 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorSterling Metallic
InteriorAlpine Umber, Full Grain Leather Seat Trim
Towing18500

Vehicle description

Sterling Metallic 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 Turbodiesel This 2026 GMC Sierra 2500HD Denali Ultimate in Sterling Metallic features: O'Neil GMC in Warminster serving Philadelphia since 1965. See the rest of our inventory at ONEILGMC.COM. Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply, but internet price does include the following rebates:$2000 - GMC Bonus Cash. Exp. 11/30/2026

Features & options (147)

  • Adaptive Cruise Control
  • Bluetooth®
  • Heated Steering Wheel
  • Remote Start
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Keyless Ignition System
  • Leather Seats
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Sunroof/Moonroof
  • Wireless Phone Charging
  • Blind Spot Monitor
  • Forward Collision Warning
  • Navigation System
  • Parking Assistance
  • Rear View Camera
  • Tow Hitch/Tow Package
  • Automatic Climate Control
  • Entertainment System
  • Turbo Charged Engine
  • Technology Package includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
  • Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
  • Pickup bed includes bed assist step
  • Push Button Start
  • Hill Descent Control
  • Transfer case, two-speed active, electronic Autotrac with push button control
  • Auto-locking rear differential
  • Four wheel drive
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Alternator, 220 amp
  • Trailer brake controller, integrated
  • Recovery hooks, front, Chrome (plant installed.)
  • Skid Plates protect the oil pan, front axle and transfer case
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension, Off-Road includes twin-tube shocks
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Exhaust brake
  • Brake lining wear indicator
  • Capped Fuel Fill
  • Wheels, 20" (50.8 cm) Ultra-bright machined aluminum wheels with Black painted pockets
  • Tires, LT275/65R20 all-terrain, blackwall
  • Tire, spare LT275/70R18 all-terrain, blackwall
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Sunroof, power
  • Bumper, front, body-color lower
  • Bumper, rear body-color with bumper CornerSteps
  • Assist steps, power-retractable, with LED perimeter lighting and bright accent (Not available with any other assist steps.)
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • CornerStep, rear bumper
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Wheelhouse liners, rear
  • Moldings, beltline, chrome
  • Grille (Signature Denali Ultimate grille in Vadar chrome with High Gloss Black surround.)
  • Winter Grille Cover
  • Headlamps, Animated LED projectors LED turn signals and Daytime Running Lamps
  • IntelliBeam, automatic high beam on/off (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Fog lamps, LED
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Lamps, Smoked Amber roof marker, (LED) (Not available with (YF5) California state emissions requirements.)
  • Mirror caps, chrome
  • Glass, deep-tinted
  • Wipers, front rain-sensing
  • Door handles, chrome
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
  • Tailgate and bed rail protection caps, top
  • SiriusXM Trial Subscription
  • Bose Premium Series with 12-speaker system with CenterPoint Richbass woofer and AudioPilot
  • LPO, MultiPro Tailgate Audio System by Kicker
  • Bluetooth for phone connectivity to vehicle infotainment system
  • Wireless phone projection for Apple CarPlay and Android Auto
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Seats, front bucket with center console
  • Seat trim, Full Grain Leather
  • Seat adjuster, driver 16-way power including lumbar and massage
  • Seat adjuster, passenger 16-way power including lumbar and massage
  • Seating, heated driver and front outboard passenger
  • Seats, ventilated driver and front passenger
  • Seats, heated second row outboard seats
  • Driver memory recalls driver "presets" for power driver seat and outside mirrors
  • Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, color-keyed carpeting
  • Floor mats, carpeted front (Includes Premium floor mats with corner applique.)
  • Floor mats, carpeted rear (Unique premium carpet. Deleted when LPO floor liners are ordered or (BKF) Premium Floor Liners are ordered.)
  • Steering wheel, leather-wrapped
  • Steering wheel, heated
  • Steering wheel audio controls
  • Steering column, manual Tilt-Wheel and telescoping
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Multicolor 15" Diagonal Head-Up Display
  • Rear Seat Reminder
  • GMC Premium information Display- 13.4" diagonal Multicolor touch screen
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Windows, power front, drivers express up/down
  • Window, power front, passenger express up/down
  • Windows, power rear, express down
  • Window, power, rear sliding with rear defogger
  • Door locks, power
  • Keyless Open and Start includes remote keyless entry
  • Remote vehicle starter system
  • Universal Home Remote
  • Wireless Charging
  • Theft-deterrent system, unauthorized entry
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB Ports, 2 (first row) located on console
  • USB Ports, 2, Charge/Data ports located inside center console
  • USB ports, (2) charge-only, rear
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • Air vents, rear
  • Air conditioning, dual-zone automatic climate control
  • Defogger, rear-window electric
  • Rear Camera Mirror inside rearview auto-dimming with full camera display
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Front Pedestrian Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Automatic Emergency Braking (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Daytime Running Lamps, LED signature lighting
  • LED Signature DRL's
  • OnStar Services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Front and Rear Park Assist, ultrasonic
  • Trailer Camera Provisions and trailer viewing software
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
  • Forward Collision Alert (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Lane Departure Warning (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Rear Seat Belt Indicator
  • Rear Cross Traffic Alert
  • Trailer Side Blind Zone Alert
  • Seat Belt Adjustable Guide Loops, front row only
  • Safety Alert Seat
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • DriveType: Four Wheel Drive
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 36 gal
  • Fuel Type: Diesel Fuel
  • Horse Power: 470
  • Rear Wheel: Single
  • Trailering Capacity: 18500 lbs

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 50 miles of Warminster, Pennsylvania
Asking price$89,475Dealer asking price · 6 mi
Market value$95,305Market value · based on 38 comparable cars
vs. market Good deal-6.1%Good deal · based on 38 comparable cars

Where this price sits

Among the lowest-priced · 92% of 38 similar listings ask more than this car.

$89,429lowest$98,553highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-6.1%
−25%Market value+25%
Good deal$5,830 below the market value of $95,305

Price range

$89,475
$89,429$98,553
4th lowest price of 39 similar listings within 50 milesTick marks the market value · range of 38 similar listings

AutosXchange Insights

  • Compared with 38 new 2026 GMC Sierra 2500 Denali Ultimate listings within 50 mi.
  • Priced $5,830 below the market value of 38 comparable cars.
  • 4th lowest price of 39 similar listings within 50 miles.
  • About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T752 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 5, 2026. 1 price change at this dealership: $95,475 → $89,475 (−$6,000).

$88k$90k$92k$94k$96k$98kNov 5Nov 6Nov 8Nov 10Nov 11Nov 13−$6,000 Nov 12

Market activity: O'Neil GMC raised prices on 3 2026 GMC Sierra 2500 HD AT4 by $490 each

AutosXchange Intel Hub: Price changes for this model in Pennsylvania · This model in the Intel Hub · Market movers in Pennsylvania

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 13); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 2500 Denali Ultimate · new · within 50 miles of Warminster, Pennsylvania. Showing the 12 nearest of 38 comparable cars for sale, nearest first.

2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate6 miles · O'Neil GMC · Warminster, PA · 0 mi away$91,630$2,155 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate5 miles · O'Neil GMC · Warminster, PA · 0 mi away$93,980$4,505 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate5 miles · O'Neil GMC · Warminster, PA · 0 mi away$94,120$4,645 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate6 miles · O'Neil GMC · Warminster, PA · 0 mi away$94,475$5,000 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate11 miles · Fred Beans GMC of Doylestown · Doylestown, PA · 10 mi away$91,860$2,385 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate128 miles · Fred Beans GMC of Doylestown · Doylestown, PA · 10 mi away$92,145$2,670 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$46 less than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$46 less than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$46 less than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate5 miles · Barlow Buick GMC of Woodbury · Woodbury, NJ · 27 mi away$91,533$2,058 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate1 miles · Granite Run Buick GMC Inc. · Media, PA · 27 mi away$96,035$6,560 more than this car2026 GMC Sierra 2500 HD Denali Ultimate vehicle photo2026 GMC Sierra 2500 HD Denali Ultimate1 miles · Granite Run Buick GMC Inc. · Media, PA · 27 mi away$96,035$6,560 more than this car

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