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O'Neil GMC · Warminster, PA

2026 GMC Sierra 2500 HD Pro

6 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 2500 HD
TrimPro
Stock numberT768
Mileage6 miles
BodyPickup
Engine6.6L 8-cyl
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelGasoline
ExteriorSummit White
InteriorJet Black, Cloth Seat Trim
Towing14500

Vehicle description

Summit White 2026 GMC Sierra 2500HD Pro 4WD 10-Speed Automatic 6.6L V8 This 2026 GMC Sierra 2500HD Pro in Summit White features: O'Neil GMC in Warminster serving Philadelphia since 1965. See the rest of our inventory at ONEILGMC.COM.

Features & options (93)

  • Bluetooth®
  • 4WD/AWD
  • Android Auto
  • Apple CarPlay
  • Keyless Entry
  • Wi-Fi Hotspot
  • Emergency Brake Assist
  • Lane Departure Warning
  • Forward Collision Warning
  • Navigation System
  • Rear View Camera
  • Entertainment System
  • Cruise Control
  • Pickup bed includes bed assist step
  • Push Button Start
  • Transfer case, two-speed, electronic shift with push button controls (Requires 4WD models.)
  • Auto-locking rear differential
  • Four wheel drive
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Trailer brake controller, integrated
  • Recovery hooks, front, frame-mounted, Black
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Suspension Package (Not available with (X31) Off-Road Package.)
  • Steering, Recirculating Ball with smart flow power steering system
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Brake lining wear indicator
  • Wheels, 17" (43.2 cm) painted steel, Silver
  • Tires, LT245/75R17E all-season, blackwall
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door (Deleted with (ZW9) pickup bed delete.)
  • Bumper, front chrome lower
  • Bumper, rear chrome with bumper CornerSteps
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side (Not available on (ZW9) pickup bed delete.)
  • CornerStep, rear bumper
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Moldings, beltline, Black
  • Grille (Chrome with flat black grille insert bars.)
  • 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.)
  • Lamps, cargo area cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Taillamps, LED Signature Tail, Incandescent Brake, Turn & Reverse Lamps
  • Glass, solar absorbing, tinted
  • Door handles, Black grained
  • Tailgate, standard (Deleted with (ZW9) pickup bed delete.)
  • Tailgate, gate function manual, no lift assist (Deleted with (ZW9) pickup bed delete.)
  • Tailgate and bed rail protection caps, top (Deleted with (ZW9) pickup bed delete.)
  • Audio system feature, 6-speaker system (Requires Crew Cab or Double Cab model.)
  • 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 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable)
  • Seat trim, Vinyl
  • Seat adjuster, driver 4-way manual
  • Seat adjuster, passenger 4-way manual
  • Seat, rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
  • Floor covering, rubberized-vinyl (Not available with LPO floor liners.)
  • Steering wheel, urethane
  • Steering column, Tilt-Wheel, manual with wheel locking security feature
  • Driver Information Center, 3.5" diagonal monochromatic display
  • Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
  • Exterior Temperature Display, located in radio display
  • Compass, located in instrument cluster
  • Windows, power front, drivers express up/down
  • Window, power front, passenger express down
  • Windows, power rear, express down (Not available on Regular Cab models.)
  • Door locks, power
  • Remote Keyless Entry
  • Cruise control, steering wheel-mounted
  • USB Ports, 2, Charge/Data ports located on instrument panel
  • Power outlet, front auxiliary, 12-volt
  • Air conditioning, single-zone
  • Air vents, rear (Not available with Regular Cab model.)
  • Mirror, inside rearview, manual tilt
  • 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.)
  • HD Rear Vision Camera (Not available with (ZW9) pickup bed delete. Removed with (UV2) HD Surround Vision.)
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching (Deleted with (ZW9) pickup bed delete.)
  • 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 (Requires Crew Cab or Double Cab model.)
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)
  • DriveType: Four Wheel Drive
  • Fuel System: Direct Injection
  • Fuel Tank Capacity: 36 gal
  • Fuel Type: Gasoline Fuel
  • Horse Power: 401
  • Rear Wheel: Single
  • Trailering Capacity: 14500 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$53,425Dealer asking price · 6 mi
Market value$57,430Market value · based on 8 comparable cars
vs. market Good deal-7.0%Good deal · based on 8 comparable cars

Where this price sits

Among the lowest-priced · 100% of 8 similar listings ask more than this car.

$53,425lowest$68,191highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-7.0%
−25%Market value+25%
Good deal$4,005 below the market value of $57,430

Price range

$53,425
$53,425$68,191
Lowest price of 9 similar listings within 50 milesTick marks the market value · range of 8 similar listings

AutosXchange Insights

  • Compared with 8 new 2026 GMC Sierra 2500 Pro listings within 50 mi.
  • Priced $4,005 below the market value of 8 comparable cars.
  • Lowest price of 9 similar listings within 50 miles.
  • About 6 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # T768 — 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. No price change at this dealership since Nov 5 ($53,425).

$53.2k$53.3k$53.4k$53.5k$53.6k$53.7kNov 5Nov 6Nov 8Nov 9Nov 10Nov 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 12); 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 Pro · new · within 50 miles of Warminster, Pennsylvania. All 8 comparable cars for sale, nearest first.

More GMC Sierra 2500 near Warminster

All years and trims. Nearest first.