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O'Neil GMC · Warminster, PA

2026 GMC Sierra 3500 HD Pro

6 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
TrimPro
Stock numberT463
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. Price excludes tax, tags, title, license, and dealer fees, additional rebates may apply, but internet price does include the following rebates:$2,500 - O'Neil GMC Discount – Available to all customers. Exp. 12/31/2026

Features & options (20)

  • 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
  • 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$55,955Dealer asking price · 6 mi
Market value$56,087Market value · based on 8 comparable cars
vs. market Fair price-0.2%Fair price · based on 8 comparable cars

Where this price sits

Among the lowest-priced · 88% of 8 similar listings ask more than this car.

$54,825lowest$73,208highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-0.2%
−25%Market value+25%
Fair price$132 below the market value of $56,087

Price range

$55,955
$54,825$73,208
2nd 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 $132 below the market value of 8 comparable cars.
  • 2nd 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 # T463 — 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 ($55,955).0 price changes at this dealership: $55,955 → $55,955.

$55.7k$55.8k$55.9k$56.0k$56.1k$56.2kNov 5Nov 6Nov 7Nov 8Nov 10Nov 11

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.

More GMC Sierra 3500 near Warminster

All years and trims. Nearest first.