2026 GMC Sierra 2500 HD SLT
$495 more than this car
- 6 mi
- 4WD
- Automatic
- Gasoline
- Truck
O'Neil GMC · Warminster, PA · 0 mi away
6 miles · truck · Price dropped $4,510

Summit White 2026 GMC Sierra 2500HD SLT 4WD 10-Speed Automatic 6.6L V8 This 2026 GMC Sierra 2500HD SLT in Summit White features: Recent Arrival! O'Neil GMC in Warminster serving Philadelphia since 1965. See the rest of our inventory at ONEILGMC.COM.
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
Among the lowest-priced · 100% of 3 similar listings ask more than this car.
How we calculate market value: comparable cars for sale now plus their last listed prices.
Price tracked by AutosXchange since Nov 5, 2026. 1 price change at this dealership: $76,580 → $72,070 (−$4,510).
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 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
Same 2026 Sierra 2500 SLT · new · within 50 miles of Warminster, Pennsylvania. All 3 comparable cars for sale, nearest first.
$495 more than this car
O'Neil GMC · Warminster, PA · 0 mi away
$3,869 more than this car
Barlow Buick GMC of Woodbury · Woodbury, NJ · 27 mi away
$3,910 more than this car
Faulkner Buick GMC West Chester · West Chester, PA · 35 mi away
2026 GMC Sierra 2500 HD SLT6 miles · O'Neil GMC · Warminster, PA · 0 mi away$72,565$495 more than this car
2026 GMC Sierra 2500 HD SLT6 miles · Barlow Buick GMC of Woodbury · Woodbury, NJ · 27 mi away$75,939$3,869 more than this car
2026 GMC Sierra 2500 HD SLTFaulkner Buick GMC West Chester · West Chester, PA · 35 mi away$75,980$3,910 more than this carAll years and trims. Nearest first.
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
O'Neil GMC · Warminster, PA · 0 mi away
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