Used GMC Sierra for Sale in Washington, PA
421 listingsPriced from $2,026 to $101,428Median $52,155
In August 2026, 421 Used GMC Sierra for sale in Washington, PA are listed on VehiSales, priced from $2,026 to $101,428 (median $52,155). The most listed model is GMC Sierra. Photos, mileage, vehicle history and dealer contacts are available on every VehiSales listing.
The inventory leans toward pickup trucks (498). Model years span 2005–2026, and 82% of listings are from 2021 or newer.
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