Used 2020 Cadillac CT6 Price in the US
A used 2020 Cadillac CT6 in the US typically lists for $30,532–$44,169, with a median asking price of $36,167 across 39 active US dealer listings (as of 2026-10-13). The cheapest one listed right now is $20,270, a 2020 Luxury Csav in Redford, MI — 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
ranked by price-
$24,1762020 Cadillac CT6 36L Luxury110,447 mi · Joliet, IL · Your Choice Auto SalesView listing →
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$25,4502020 Cadillac CT6 36L Luxury109,912 mi · Chiefland, FL · Chiefland Chrysler Jeep Dodge Ram FiatView listing →
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$25,9002020 Cadillac CT6 Luxury Csav128,832 mi · Grove City, OH · Funkys AutomotiveView listing →
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$29,2032020 Cadillac CT6 Luxury Csav112,841 mi · Perry, OK · Seth Wadley Ford of PerryView listing →
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$30,3762020 Cadillac CT6 Platinum Csav171,348 mi · Rockford, IL · Hyundai On PerryvilleView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 Cadillac CT6 asks $30,532–$44,169. 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 2020 Cadillac CT6 cost?
A used 2020 Cadillac CT6 in the US typically lists for $30,532 to $44,169, with a median asking price of $36,167 across 39 active US dealer listings. Nine in ten are priced between $23,758 and $61,723 (as of 2026-10-13, source: UnderMarket Cars).
Is $36,000 a good price for a used 2020 Cadillac CT6?
That sits at about the market median ($36,167) for a used 2020 Cadillac CT6. Under $30,532 puts you in the cheapest quarter of active US listings and under $23,758 in the cheapest 5%; above $61,723 is the priciest 5% (as of 2026-10-13).
What is the cheapest used 2020 Cadillac CT6 for sale right now?
$20,270 — a 2020 Cadillac CT6 Luxury Csav in Redford, MI, $15,897 under the median (as of 2026-10-13).
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 2020 Cadillac CT6 page is regenerated from it when it is requested. The figures on this page are from 2026-10-13.
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Prices updated 2026-10-13. Data covers active dealer listings across the USA.