Used Cadillac STS Price in the US
A used Cadillac STS in the US typically lists for $5,438–$8,991, with a median asking price of $6,896 across 76 active US dealer listings (as of 2026-08-31). The cheapest one listed right now is $2,000, a 2005 V6 in Charlotte, NC — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $5,438 – $8,991
- Median
- $6,896
- Cheapest 5%
- under $2,984
- Cheapest listed now
- $2,000
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
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$2,9002006 Cadillac STS V6153,402 mi · Strongsville, OH · Serpentini Chevrolet - StrongsvilleView listing →
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These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used Cadillac STS asks $5,438–$8,991. Cars this far under usually carry an older model year, a base trim or high mileage.
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10 pinnedFAQ
How much does a used Cadillac STS cost?
A used Cadillac STS in the US typically lists for $5,438 to $8,991, with a median asking price of $6,896 across 76 active US dealer listings. Nine in ten are priced between $2,984 and $15,493 (as of 2026-08-31, source: UnderMarket Cars).
Is $7,000 a good price for a used Cadillac STS?
That sits at about the market median ($6,896) for a used Cadillac STS. Under $5,438 puts you in the cheapest quarter of active US listings and under $2,984 in the cheapest 5%; above $15,493 is the priciest 5% (as of 2026-08-31).
What is the cheapest used Cadillac STS for sale right now?
$2,000 — a 2005 Cadillac STS V6 in Charlotte, NC, $4,896 under the median (as of 2026-08-31).
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?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used Cadillac STS price page at least twice a day. The data date shown on this page is 2026-08-31.
Explore more
Prices updated 2026-08-31. Data covers active dealer listings across the USA.