2026 GMC Sierra 1500 Denali
$2,190 less than this car
- 6 mi
- 4WD
- Automatic
- Gasoline
- Truck
O'Neil GMC · Warminster, PA · 0 mi away
6 miles · truck · Price dropped $627

Onyx Black 2026 GMC Sierra 1500 Denali 4WD 10-Speed Automatic EcoTec3 6.2L V8This 2026 GMC Sierra 1500 Denali 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:$6250 - Buick & GMC Consumer Cash Program. Exp. 11/30/2026 $4,000 - O'Neil GMC Discount – Available to all customers. excl. 2026 Sierra 1500 PRO Exp. 12/31/2027
Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.
In the typical middle range · 43% of 96 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: $71,062 → $70,435 (−$627).
Market activity: O'Neil GMC cut prices on 47 GMC Sierra 1500 by an average of $2,003
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.
Same 2026 Sierra 1500 Denali · new · within 50 miles of Warminster, Pennsylvania. Showing the 12 nearest of 96 comparable cars for sale, nearest first.
$2,190 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$1,750 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$1,750 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$1,250 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$705 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$705 less than this car
O'Neil GMC · Warminster, PA · 0 mi away
$495 more than this car
O'Neil GMC · Warminster, PA · 0 mi away
$545 more than this car
O'Neil GMC · Warminster, PA · 0 mi away
$1,540 more than this car
O'Neil GMC · Warminster, PA · 0 mi away
$3,237 less than this car
Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away
$913 less than this car
Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away
$535 less than this car
Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$68,245$2,190 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$68,685$1,750 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$68,685$1,750 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$69,185$1,250 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$69,730$705 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$69,730$705 less than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$70,930$495 more than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$70,980$545 more than this car
2026 GMC Sierra 1500 Denali6 miles · O'Neil GMC · Warminster, PA · 0 mi away$71,975$1,540 more than this car
2026 GMC Sierra 1500 Denali4 miles · Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away$67,198$3,237 less than this car
2026 GMC Sierra 1500 Denali3 miles · Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away$69,522$913 less than this car
2026 GMC Sierra 1500 Denali4 miles · Faulkner Buick GMC Trevose · Trevose, PA · 7 mi away$69,900$535 less 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 1500 SLT21,620 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,860
2026 GMC Sierra 3500 HD Denali Ultimate DRW6,383 miles · O'Neil GMC · Warminster, PA · 0 mi away$91,885
2026 GMC Sierra 1500 Pro6 miles · O'Neil GMC · Warminster, PA · 0 mi away$46,220
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
2026 GMC Sierra 1500 Elevation6 miles · O'Neil GMC · Warminster, PA · 0 mi away$47,130