2026 GMC Sierra 2500 HD Denali Ultimate
$5,000 less than this car
- 6 mi
- 4WD
- Automatic
- Diesel
- Truck
O'Neil GMC · Warminster, PA · 0 mi away
6 miles · truck · Price dropped $6,000

Onyx Black 2026 GMC Sierra 2500HD Denali Ultimate 4WD 10-Speed Automatic Duramax 6.6L V8 TurbodieselThis 2026 GMC Sierra 2500HD Denali Ultimate in Onyx Black 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
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 53% of 38 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: $100,475 → $94,475 (−$6,000).
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 14); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.
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.
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2026 GMC Sierra 2500 HD Denali Ultimate6 miles · O'Neil GMC · Warminster, PA · 0 mi away$89,475$5,000 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate6 miles · O'Neil GMC · Warminster, PA · 0 mi away$91,630$2,845 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate5 miles · O'Neil GMC · Warminster, PA · 0 mi away$93,980$495 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate5 miles · O'Neil GMC · Warminster, PA · 0 mi away$94,120$355 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate12 miles · Fred Beans GMC of Doylestown · Doylestown, PA · 10 mi away$91,860$2,615 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate128 miles · Fred Beans GMC of Doylestown · Doylestown, PA · 10 mi away$92,145$2,330 less than this car
2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$5,046 less than this car
2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$5,046 less than this car
2026 GMC Sierra 2500 HD Denali UltimateHill Buick GMC · Newtown Square, PA · 25 mi away$89,429$5,046 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate5 miles · Barlow Buick GMC of Woodbury · Woodbury, NJ · 27 mi away$91,533$2,942 less than this car
2026 GMC Sierra 2500 HD Denali Ultimate1 miles · Granite Run Buick GMC Inc. · Media, PA · 27 mi away$96,035$1,560 more than this car
2026 GMC Sierra 2500 HD Denali Ultimate1 miles · Granite Run Buick GMC Inc. · Media, PA · 27 mi away$96,035$1,560 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
2026 GMC Sierra 3500 HD Denali Ultimate DRW6,383 miles · O'Neil GMC · Warminster, PA · 0 mi away$90,345
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2026 GMC Sierra 1500 Elevation6 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,345
2026 GMC Sierra 1500 Elevation6 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,635
2026 GMC Sierra 1500 Elevation6 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,790
2026 GMC Sierra 1500 Elevation7 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,840
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2026 GMC Sierra 1500 Elevation6 miles · O'Neil GMC · Warminster, PA · 0 mi away$47,130