Used 2020 Cadillac CT4 Price in the US
A used 2020 Cadillac CT4 in the US typically lists for $21,997–$27,988, with a median asking price of $23,700 across 95 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $11,900, a 2020 Luxury in Wylie, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $21,997 – $27,988
- Median
- $23,700
- Cheapest 5%
- under $17,644
- Cheapest listed now
- $11,900
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
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$16,9432020 Cadillac CT4 Premium Luxury99,974 mi · Haddon Township, NJ · Royal Auto of HaddonView listing → -
$17,9452020 Cadillac CT4 Premium Luxury139,207 mi · Statesboro, GA · Vaden Hyundai StatesboroView listing → -
$17,9992020 Cadillac CT4 Sport57,000 mi · Township of Northville, MI · Flagship MotorsView listing → -
$17,9992020 Cadillac CT4 Luxury103,380 mi · Marietta, OH · SOUTH FIFTH AUTOMOTIVE LLCView listing → -
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$18,7162020 Cadillac CT4 Premium Luxury99,270 mi · Houston, TX · Group 1 GMC SouthwestView 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 CT4 asks $21,997–$27,988. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
Deals on the map
10 pinnedFAQ
How much does a used 2020 Cadillac CT4 cost?
A used 2020 Cadillac CT4 in the US typically lists for $21,997 to $27,988, with a median asking price of $23,700 across 95 active US dealer listings. Nine in ten are priced between $17,644 and $33,569 (as of 2026-10-18, source: UnderMarket Cars).
Is $24,000 a good price for a used 2020 Cadillac CT4?
That sits at about the market median ($23,700) for a used 2020 Cadillac CT4. Under $21,997 puts you in the cheapest quarter of active US listings and under $17,644 in the cheapest 5%; above $33,569 is the priciest 5% (as of 2026-10-18).
What is the cheapest used 2020 Cadillac CT4 for sale right now?
$11,900 — a 2020 Cadillac CT4 Luxury in Wylie, TX, $11,800 under the median (as of 2026-10-18).
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 CT4 page is regenerated from it when it is requested. The figures on this page are from 2026-10-18.
Explore more
Prices updated 2026-10-18. Data covers active dealer listings across the USA.