1966 Cadillac DeVille Convertible Market Value & Price History
The 1966 Cadillac DeVille Convertible has a current market value of $26,711 as of Oct 9, 2026, based on 27 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2008 between $20,000 and $41,800. Based on US sales through Oct 8, 2026. 6 have sold in the past 12 months. The median sale price is down 36.5% over the past 12 months versus the prior year.
Data: DriveIndex. 27 verified auction sales for the 1966 Cadillac DeVille Convertible, latest sale Oct 8, 2026. Value as of Oct 9, 2026. Methodology
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The median 1966 Cadillac DeVille Convertible sold for $39,200 in 2026, against $37,000 in 2022. Each row is the median of the verified sales recorded in that calendar year, so it moves with the mix of mileages and options that came to market as well as with the market itself.
| Year | Median sale | Sales |
|---|---|---|
| 2026 | $39,200 | 3 |
| 2025 | $27,250 | 7 |
| 2022 | $37,000 | 5 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 1966 Cadillac DeVille Convertible Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Oct 8, 2026 | $39,200 | — | — |
| Aug 25, 2026 | $14,000 | 45,000 mi | Automatic |
| Jun 8, 2026 | $51,600 | 76,000 mi | Automatic |
| Nov 23, 2025 | $35,000 | 1,300 mi | Automatic |
| Nov 22, 2025 | $19,000 | 97,000 mi | Automatic |
| Nov 2, 2025 | $19,450 | 7,000 mi | Automatic |
| Aug 28, 2025 | $58,500 | 18,000 mi | — |
| Aug 21, 2025 | $25,035 | 90,000 mi | Automatic |
| Mar 25, 2025 | $78,750 | — | Automatic |
| Mar 17, 2025 | $27,250 | 27,000 mi | Automatic |
| Sep 29, 2024 | $35,500 | 77,000 mi | Automatic |
| Aug 17, 2024 | $26,444 | 53,000 mi | Automatic |
| Sep 16, 2023 | $28,000 | 28,000 mi | Automatic |
| Apr 10, 2023 | $57,000 | 16,000 mi | Automatic |
| Dec 17, 2022 | $56,000 | 7,000 mi | Automatic |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Cadillac DeVille Convertible auction results →See the full picture on the 1966 Cadillac DeVille Convertible
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Cadillac DeVille Convertible by Year
Which DeVille Convertible year should you buy? Every year compared →1966 Cadillac DeVille Convertible: Frequently Asked Questions
How much is a 1966 Cadillac DeVille Convertible worth?
A 1966 Cadillac DeVille Convertible is worth approximately $26,711 as of Oct 9, 2026, based on 27 verified auction sales tracked by DriveIndex. Based on US sales through Oct 8, 2026. Half of all verified sales fall between $20,000 and $41,800; the full verified range is $11,550 to $78,750. Condition, mileage and options move an individual car within that band.
How many 1966 Cadillac DeVille Convertible sell per year?
6 have sold at auction in the past 12 months. DriveIndex has tracked 27 1966 Cadillac DeVille Convertible sales in total.
Are 1966 Cadillac DeVille Convertible sale prices higher or lower than a year ago?
The median 1966 Cadillac DeVille Convertible sale price is down 36.5% over the past 12 months versus the prior year, based on verified auction sales. That figure tracks the median of what actually sold, so it moves with the mix of mileages and options that came to market as well as with the market itself. The full Value Signal classification (appreciating, stable, bottomed, or depreciating) and its 1–5 year projection are part of DriveIndex Pro.
Where can I buy a 1966 Cadillac DeVille Convertible?
DriveIndex tracks for-sale listings and auction results for the 1966 Cadillac DeVille Convertible from the world's leading collector-car auction houses and marketplaces.
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