Quick answer
Prices for the Cadillac CT6 run from $16,995 to $29,500 by model year in our listings.
Cadillac CT6 price by model year
| Year | Typical price | Spread | Listings |
|---|---|---|---|
| 2019 | — | 6 | |
| 2018 | — | 11 | |
| 2017 | — | 8 | |
| 2016 | — | 5 |
ROWS 4·SOURCE Live classified listings
Dealer or private seller
On the Cadillac CT6 the dealer markup works out at -1% over a private sale of the same year.
| Seller | Listings | vs median year | Average asked |
|---|---|---|---|
| Private seller | 21 | +5.8% | $22,872 |
| Dealer | 19 | +5.1% | $21,828 |
ROWS 2·SOURCE Live listings, normalized per model year
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Everything on the Cadillac CT6
Recalls15 campaignsFuel economy28 mpg bestReliability4.0/5Common problems77 complaintsCheck a VINAgainst this exact buildDimensionsSize, weight, generationsCargo space15 cu ftWhat yours is worthValue by year & mileageInsurance costEstimated per yearWindow stickerOriginal Monroney labelDecode a VINWhat each character meansAbout this car2016–2020
Frequently asked questions
How much does a used Cadillac CT6 cost?
The median asking price is $21,990 across 46 live listings. A 2016 asks about $19,000 and a 2019 about $29,500. The most listed year is 2018, at $21,990. To price one car by its year and mileage, use the Cadillac CT6 valuation tool.
Is it cheaper to buy a CT6 from a private seller?
Barely. Against the median for the same model year, dealers ask 5.1% above and private sellers 5.8% above.
Asking prices from live classified listings, normalized against the median for each model year. Slices below a minimum listing count are omitted. Asking prices exceed transaction prices (how we count). Last updated Nov 2026. — ForCar Reviewed by Denis Kataev, founder of ForCar.
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