1966 Triumph TR4A Market Value & Price History
The 1966 Triumph TR4A has a current market value of $31,395 as of Oct 9, 2026, based on 40 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2002 between $19,100 and $33,000. Based on US sales through Sep 10, 2026. 5 have sold in the past 12 months. The median sale price is up 26.3% over the past 12 months versus one to three years ago.
Data: DriveIndex. 40 verified auction sales for the 1966 Triumph TR4A (36 in USD, the basis for every dollar figure here), latest sale Sep 10, 2026. Value as of Oct 9, 2026. Methodology
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The median 1966 Triumph TR4A sold for $27,000 in 2026, against $31,900 in 2018. 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 | $27,000 | 5 |
| 2023 | $22,650 | 4 |
| 2022 | $33,000 | 9 |
| 2021 | $19,100 | 3 |
| 2019 | $24,000 | 3 |
| 2018 | $31,900 | 3 |
Years with fewer than three verified USD sales are omitted — a one-sale “median” is a single car, not a market.
Recent 1966 Triumph TR4A Auction Results
| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Sep 10, 2026 | $26,750 | 31,000 mi | — |
| Jun 23, 2026 | $53,000 | 50,000 mi | Manual |
| Jun 19, 2026 | $40,500 | 1,400 mi | Manual |
| May 5, 2026 | $27,000 | 200 mi | Manual |
| Feb 26, 2026 | $16,600 | 62,000 mi | Manual |
| Aug 6, 2025 | $12,800 | 2,000 mi | Manual |
| Aug 13, 2024 | $38,000 | 57,000 mi | — |
| Jan 26, 2024 | $27,750 | 77,000 mi | Manual |
| Oct 28, 2023 | $15,000 | 10,000 mi | Manual |
| Sep 4, 2023 | $15,800 | 52,000 mi | Manual |
| Jun 6, 2023 | $17,500 | 55,000 mi | Manual |
| Mar 9, 2023 | $31,500 | 97,000 mi | Manual |
| Feb 18, 2023 | $29,500 | 17,000 mi | Manual |
| Dec 6, 2022 | $31,000 | 76,000 mi | — |
| Nov 19, 2022 | $17,500 | 95,000 mi | — |
Verified results from the world's leading collector-car auction houses and marketplaces.
All Triumph TR4A auction results →See the full picture on the 1966 Triumph TR4A
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Triumph TR4A by Year
Which TR4A year should you buy? Every year compared →1966 Triumph TR4A: Frequently Asked Questions
How much is a 1966 Triumph TR4A worth?
A 1966 Triumph TR4A is worth approximately $31,395 as of Oct 9, 2026, based on 40 verified auction sales tracked by DriveIndex. Based on US sales through Sep 10, 2026. Half of all verified sales fall between $19,100 and $33,000; the full verified range is $12,800 to $53,000. Condition, mileage and options move an individual car within that band.
How many 1966 Triumph TR4A sell per year?
5 have sold at auction in the past 12 months. DriveIndex has tracked 40 1966 Triumph TR4A sales in total.
Are 1966 Triumph TR4A sale prices higher or lower than a year ago?
The median 1966 Triumph TR4A sale price is up 26.3% over the past 12 months versus one to three years ago, 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 Triumph TR4A?
DriveIndex tracks for-sale listings and auction results for the 1966 Triumph TR4A from the world's leading collector-car auction houses and marketplaces.
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