Used 2008 Cadillac STS Price in the US
A used 2008 Cadillac STS in the US typically lists for $5,484–$9,360, with a median asking price of $6,999 across 16 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $1,895, a 2008 in Kansas City, KS — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
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typical price per yearCheapest 10 listed right now
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$5,4502008 Cadillac STS V8 Luxury149,331 mi · Westmoreland, NY · Upstate Auto GalleryView listing → -
$6,5002008 Cadillac STS Luxury Performance98,000 mi · Elkhart, IN · Everest Auto Sales and ServiceView listing → -
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$6,9982008 Cadillac STS V8 Luxury124,965 mi · Virden, IL · Freedom Chrysler Dodge JeepView listing →
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$7,0002008 Cadillac STS Luxury Performance105,233 mi · Winslow, AZ · Rey Rey Auto SalesView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2008 Cadillac STS asks $5,484–$9,360. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2008 Cadillac STS cost?
A used 2008 Cadillac STS in the US typically lists for $5,484 to $9,360, with a median asking price of $6,999 across 16 active US dealer listings. Nine in ten are priced between $2,723 and $20,756 (as of 2026-10-19, source: UnderMarket Cars).
Is $7,000 a good price for a used 2008 Cadillac STS?
That sits at about the market median ($6,999) for a used 2008 Cadillac STS. Under $5,484 puts you in the cheapest quarter of active US listings and under $2,723 in the cheapest 5%; above $20,756 is the priciest 5% (as of 2026-10-19).
What is the cheapest used 2008 Cadillac STS for sale right now?
$1,895 — a 2008 Cadillac STS in Kansas City, KS, $5,104 under the median (as of 2026-10-19).
Are these MSRP or real asking prices?
Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.
How often are prices updated?
The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2008 Cadillac STS page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.
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Prices updated 2026-10-19. Data covers active dealer listings across the USA.