Cheapest · Used 2020 Cadillac CT6
Rank #1 / 45 listings
Cheapest Used 2020 Cadillac CT6 for Sale in the US
The cheapest used 2020 Cadillac CT6 in the US today costs $21,990 — a 2020 36L Luxury located in Green Bay, WI. We track 45 active listings; the median price is $34,995, so the top deal is $13,005 under the median.
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$21,9902020 Cadillac CT6 36L Luxury145,499 mi · Green Bay, WI · Village Auto on VelpView listing →
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$23,6522020 Cadillac CT6 36L Luxury119,402 mi · Walled Lake, MI · LaFontaine Hyundai CommerceView listing →
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$25,3762020 Cadillac CT6 36L Luxury110,447 mi · Joliet, IL · Your Choice Auto Sales of JolietView listing →
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$26,2792020 Cadillac CT6 Luxury Csav172,156 mi · Huntington, IN · Lakeside HuntingtonView listing → -
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$28,1992020 Cadillac CT6 36L Luxury56,183 mi · Albuquerque, NM · AutoSavvy AlbuquerqueView listing →
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$28,4432020 Cadillac CT6 36L Luxury61,069 mi · Columbus, OH · Auto Boutique of ColumbusView listing → -
$28,8212020 Cadillac CT6 36L Luxury66,903 mi · Eureka, CA · Eureka Chrysler Dodge Jeep RamView listing →
Deals on the map
10 pinnedFAQ
How much does the cheapest used 2020 Cadillac CT6 cost?
$21,990 — a 2020 36L Luxury in Green Bay, WI (as of 2026-07-19).
What is the median price of a used 2020 Cadillac CT6?
$34,995 across 45 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.