Used 2017 Cadillac CT6 Price in the US
A used 2017 Cadillac CT6 in the US typically lists for $15,995–$21,923, with a median asking price of $19,184 across 117 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $9,199, a 2017 Luxury in Hasbrouck Heights, NJ — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $15,995 – $21,923
- Median
- $19,184
- Cheapest 5%
- under $13,715
- Cheapest listed now
- $9,199
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
$12,7992017 Cadillac CT6 Standard162,022 mi · Waldorf, MD · Waldorf Chevrolet CadillacView listing → -
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$14,1002017 Cadillac CT6 20T118,512 mi · Mableton, GA · Byrd Dawgs Automotive GroupView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2017 Cadillac CT6 asks $15,995–$21,923. 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 2017 Cadillac CT6 cost?
A used 2017 Cadillac CT6 in the US typically lists for $15,995 to $21,923, with a median asking price of $19,184 across 117 active US dealer listings. Nine in ten are priced between $13,715 and $28,114 (as of 2026-09-01, source: UnderMarket Cars).
Is $19,000 a good price for a used 2017 Cadillac CT6?
That sits at about the market median ($19,184) for a used 2017 Cadillac CT6. Under $15,995 puts you in the cheapest quarter of active US listings and under $13,715 in the cheapest 5%; above $28,114 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2017 Cadillac CT6 for sale right now?
$9,199 — a 2017 Cadillac CT6 Luxury in Hasbrouck Heights, NJ, $9,985 under the median (as of 2026-09-01).
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 2017 Cadillac CT6 price page at least twice a day. The data date shown on this page is 2026-09-01.
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Prices updated 2026-09-01. Data covers active dealer listings across the USA.