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Used GMC for Sale in Sumter, SC

75 used GMC vehicles listed by 6 dealerships in Sumter, SC, priced $15,500–$99,990.

75vehicles
6dealerships
$15,500–$99,990price range
$52,225median price
103median miles

75 vehicles · page 1 of 2

Frequently asked questions

How many used cars are for sale in Sumter, SC (GMC)?
AutosXchange currently lists 75 vehicles in Sumter, SC (GMC) from 6 dealerships.
What is the average price of a used car in Sumter, SC (GMC)?
The median dealer-advertised price is $52,225, ranging from $15,500 to $99,990.
Are there used cars under $20,000 in Sumter, SC (GMC)?
Yes. 3 of the 75 vehicles listed in Sumter, SC (GMC) are priced under $20,000.
What are the most common makes for sale in Sumter, SC (GMC)?
The most-listed makes are GMC (75).

Dealer listings are supplied by each dealership from its own website and refreshed as inventory changes; prices are dealer-advertised asking prices, so confirm availability, fees and final price with the selling dealer. Listings marked "Private seller" are submitted by the car's owner and reviewed by AutosXchange; AutosXchange does not inspect private-party vehicles.

AutosXchange Intel

Price activity in Sumter, SC

All vehicles tracked in Sumter, SC; data as of Nov 9, 1:35 AM PST.

4.1%of 484 listings had a price cut in 7 daysWhat this means: About 1 in 24 of the 484 listings in Sumter, SC tracked had a price cut in the last 7 days.
$989average price cut, 7 daysWhat this means: When a price was cut here, the cut averaged $989.
4new listings, 7 days
6removed from sale, 7 daysWhat this means: 2 more listings were removed than added in the last 7 days, so fewer cars are for sale than a week ago. A removed listing is not always a sale.

Price-cut rate (7 days): Sumter, SC 4.1% · South Carolina 0.5% · the South Atlantic states 2.2% · the South 2.9% · United States 2.3%.

Market movers in Sumter, SCPrice changes in Sumter, SC (AutosXchange Intel Hub)Market TrendsSumter, SC vs. national
Source: AutosXchange Intel Hub, autos-xchange.com/market. Asking prices of dealer listings tracked by AutosXchange since Nov 5, 2026, not sold prices; not seasonally adjusted. A market figure is published only with at least 30 listings from at least 5 dealers (no dealer above 40%). "Removed from sale" means a listing left the dealer's website; it is not a confirmed sale. Methodology
AutosXchange Intel

Who removed and who added cars in Sumter, SC

Last 7 days, from listing tracking of every dealer. Removed = not advertised anywhere since (not always a sale); cars moved to another dealer and bulk feed changes are not counted.

Removed the most

  1. Jones GMC — 5 removed (2026 GMC Acadia ×2…)
  2. Jones Chevrolet — 1 removed (2026 Chevrolet Trailblazer…)

All 6 cars removed in Sumter, SC, last 7 days →

Added the most

  1. Jones GMC — 3 added (2026 GMC Sierra 1500 ×2…)

All 3 cars added in Sumter, SC, last 7 days →

Dealer activity in Sumter, SC · Heatmap