O'Neil GMC · Warminster, PA

2026 GMC Sierra 3500 HD Pro

6 miles · truck

1 / 24 photos

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026

MakeGMC

ModelSierra 3500 HD

TrimPro

VIN1GT5USE72TF381377

Stock numberT787

Mileage6 miles

BodyPickup

Engine6.6L 8-cyl

Cylinders8

Displacement6.6L

TransmissionAutomatic

Drivetrain4WD

FuelGasoline

ExteriorSummit White

InteriorJet Black, Cloth Seat Trim

Towing16000

Vehicle description

Summit White 2026 GMC Sierra 3500HD Pro 4WD 10-Speed Automatic 6.6L V8 This 2026 GMC Sierra 3500HD 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 (22)

Bluetooth®
4WD/AWD
Android Auto
Apple CarPlay
Keyless Entry
Keyless Ignition System
Wi-Fi Hotspot
Emergency Brake Assist
Lane Departure Warning
Forward Collision Warning
Navigation System
Rear View Camera
Tow Hitch/Tow Package
Entertainment System
Cruise Control
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: 16000 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$54,825Dealer asking price · 6 mi

Market value$56,087Market value · based on 8 comparable cars

vs. market Fair price-2.3%Fair price · based on 8 comparable cars

Where this price sits

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

Market value $56,087

This car$54,825

$54,825lowest$73,208highest

Middle 50% of asking pricesMarket valueThis car

Price vs. market value

−25%Market value+25%

Fair price$1,262 below the market value of $56,087

Price range

$54,825$73,208

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 3500 Pro listings within 50 mi.
Priced $1,262 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 # T787 — 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 ($54,825).0 price changes at this dealership: $54,825 → $54,825.

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 11); 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 3500 Pro · new · within 50 miles of Warminster, Pennsylvania. All 8 comparable cars for sale, nearest first.

2026 GMC Sierra 3500 HD Pro for sale at O'Neil GMC in Warminster, PA

Fair price

40 photos