2004 BMW 645Ci Convertible Market Value & Price History
The 2004 BMW 645Ci Convertible has a market value of $12,959, based on 9 verified auction sales tracked by DriveIndex, with half of the verified USD sales since 2021 between $13,000 and $16,500. No sale since Dec 30, 2025, so this value may not reflect today's market. 1 has sold in the past 12 months.
Data: DriveIndex. 9 verified auction sales for the 2004 BMW 645Ci Convertible, latest sale Dec 30, 2025. Methodology
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| Sold | Price | Mileage | Gearbox |
|---|---|---|---|
| Dec 30, 2025 | $13,000 | 78,000 mi | Automatic |
| Sep 2, 2025 | $12,500 | 44,000 mi | Automatic |
| Feb 27, 2025 | $13,000 | 55,000 mi | Automatic |
| Mar 13, 2024 | $15,500 | 49,000 mi | Automatic |
| Feb 20, 2023 | $10,000 | 96,000 mi | Manual |
| Aug 18, 2022 | $16,500 | 70,000 mi | Manual |
| Jan 5, 2022 | $16,485 | 69,000 mi | Manual |
| Jul 26, 2021 | $18,500 | 73,000 mi | Manual |
| Jun 7, 2021 | $23,000 | 71,000 mi | — |
Verified results from the world's leading collector-car auction houses and marketplaces.
All BMW 645Ci Convertible auction results →See the full picture on the 2004 BMW 645Ci Convertible
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BMW 645Ci Convertible by Year
2004 BMW 645Ci Convertible: Frequently Asked Questions
How much is a 2004 BMW 645Ci Convertible worth?
A 2004 BMW 645Ci Convertible is worth approximately $12,959, based on 9 verified auction sales tracked by DriveIndex. No sale since Dec 30, 2025, so this value may not reflect today's market. Half of all verified sales fall between $13,000 and $16,500; the full verified range is $10,000 to $23,000. Condition, mileage and options move an individual car within that band.
How many 2004 BMW 645Ci Convertible sell per year?
1 has sold at auction in the past 12 months. DriveIndex has tracked 9 2004 BMW 645Ci Convertible sales in total.
Are 2004 BMW 645Ci Convertible sale prices higher or lower than a year ago?
There aren't yet enough recent sales to compute a reliable 12-month price direction for the 2004 BMW 645Ci Convertible. 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 2004 BMW 645Ci Convertible?
DriveIndex tracks for-sale listings and auction results for the 2004 BMW 645Ci Convertible from the world's leading collector-car auction houses and marketplaces.
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