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Used GMC for Sale in Thornton, CO

106 used GMC vehicles listed by 7 dealerships in Thornton, CO, priced $10,900–$112,987.

106vehicles
7dealerships
$10,900–$112,987price range
$58,367median price
10median miles

106 vehicles · page 1 of 3

Frequently asked questions

How many used cars are for sale in Thornton, CO (GMC)?
AutosXchange currently lists 106 vehicles in Thornton, CO (GMC) from 7 dealerships.
What is the average price of a used car in Thornton, CO (GMC)?
The median dealer-advertised price is $58,367, ranging from $10,900 to $112,987.
Are there used cars under $20,000 in Thornton, CO (GMC)?
Yes. 4 of the 106 vehicles listed in Thornton, CO (GMC) are priced under $20,000.
What are the most common makes for sale in Thornton, CO (GMC)?
The most-listed makes are GMC (106).

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 Thornton, CO

All vehicles tracked in Thornton, CO; data as of Nov 10, 10:35 PM PST.

0%of 1,163 listings had a price cut in 7 daysWhat this means: None of the 1,163 listings in Thornton, CO tracked had a price cut in the last 7 days.
—average price cut, 7 days
0new listings, 7 days
2removed 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): Thornton, CO 0% · Colorado 11.6% · the Mountain states 8.3% · the West 6.5% · United States 5.3%.

Market movers in Thornton, COPrice changes in Thornton, CO (AutosXchange Intel Hub)Market TrendsThornton, CO 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 Thornton, CO

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. Drive N-Motion Thornton — 2 removed (2017 Ford Fusion…)

All 2 cars removed in Thornton, CO, last 7 days →

Added the most

Nothing yet in the last 7 days.

Dealer activity in Thornton, CO · Heatmap