Cheapest · Used 2021 Cadillac CT4
Rank #1 / 73 listings
Cheapest Used 2021 Cadillac CT4 for Sale in the US
The cheapest used 2021 Cadillac CT4 in the US today costs $12,900 — a 2021 Luxury located in Dyer, IN. We track 73 active listings; the median price is $25,299, so the top deal is $12,399 under the median.
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cheapest per yearTop 10 cheapest listings
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$14,2132021 Cadillac CT4 Premium Luxury169,377 mi · Ferndale, MI · Les Stanford Buick GMCView listing →
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$18,9992021 Cadillac CT4 Premium Luxury48,456 mi · Greenville, TX · Govia Auto GroupView listing →
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$19,2192021 Cadillac CT4 Luxury99,319 mi · Pittsburg, TX · Camp County Chrysler Dodge Jeep RamView listing → -
$19,9002021 Cadillac CT4 Premium Luxury71,012 mi · Canton Township, MI · Phoenix Motor CoView listing →
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$19,9952021 Cadillac CT4 Premium Luxury42,166 mi · Spotsylvania Courthouse, VA · InTouch Auto OutletView listing → -
$20,2132021 Cadillac CT4 Premium Luxury96,147 mi · Detroit, MI · Southfield Quality CarsView listing →
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9 pinnedFAQ
How much does the cheapest used 2021 Cadillac CT4 cost?
$12,900 — a 2021 Luxury in Dyer, IN (as of 2026-07-19).
What is the median price of a used 2021 Cadillac CT4?
$25,299 across 73 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.