BMW 645Ci Convertible Auction Results
DriveIndex has tracked 26 verified BMW 645Ci Convertible auction sales, with sold prices from $10,000 to $36,000 and a median of $16,750. 3 have sold in the past 12 months. Every price is a real, completed sale, never an estimate or an asking price. The median sale price is down 21.8% over the past 12 months versus the prior year (data through Apr 9, 2026). That figure tracks the median of what actually sold, so it moves with the mix of years, trims and mileages that came to market as well as with the market itself.
Data: DriveIndex. 26 verified auction sales for the BMW 645Ci Convertible, latest sale Apr 9, 2026. Methodology
Recent BMW 645Ci Convertible Auction Results
| Sold | Price | Mileage |
|---|---|---|
| Apr 9, 2026 | $11,945 | 32,000 mi |
| Jan 22, 2026 | $17,000 | 18,000 mi |
| Dec 30, 2025 | $13,000 | 78,000 mi |
| Sep 2, 2025 | $12,500 | 44,000 mi |
| Mar 12, 2025 | $21,500 | 34,652 mi |
| Feb 27, 2025 | $13,000 | 55,000 mi |
| Oct 31, 2024 | $20,250 | 12,000 mi |
| Aug 29, 2024 | $15,001 | 58,000 mi |
| May 18, 2024 | $15,500 | 44,000 mi |
| Mar 13, 2024 | $15,500 | 49,000 mi |
| Nov 16, 2023 | $10,500 | 91,000 mi |
| Oct 9, 2023 | $18,000 | 14,000 mi |
| Sep 6, 2023 | $13,500 | 46,000 mi |
| Jun 5, 2023 | $20,000 | 6,000 mi |
| May 7, 2023 | $23,000 | 28,000 mi |
Verified results from the world's leading collector-car auction houses and marketplaces.
This page shows the 15 most recent. Pro opens every verified BMW 645Ci Convertible sale with its price and where it sold, plus the Value Signal (whether the 645Ci Convertible is appreciating, stable or depreciating) and a 1–5 year projection.
BMW 645Ci Convertible Auction Results by Year
BMW 645Ci Convertible Auction Results: Frequently Asked Questions
How much does a BMW 645Ci Convertible sell for at auction?
The median verified BMW 645Ci Convertible sale is $16,750, with sold prices ranging from $10,000 to $36,000 depending on year, mileage, and condition. Every figure comes from a completed sale, not an estimate.
How many BMW 645Ci Convertible have sold at auction?
DriveIndex has tracked 26 verified BMW 645Ci Convertible sales, 3 of them in the past 12 months.
Are BMW 645Ci Convertible sale prices higher or lower than a year ago?
The median BMW 645Ci Convertible sale price is down 21.8% over the past 12 months compared with the prior year, based on verified auction sales (data through Apr 9, 2026). That figure tracks the median of what actually sold, so it moves with the mix of years, trims and mileages that came to market as well as with the market itself. The full Value Signal classification and its 1–5 year projection are part of DriveIndex Pro.
Where do these auction results come from?
From completed sales at the world's leading collector-car auction houses and marketplaces, verified and normalized by DriveIndex. Every sold price with where it sold, and the Value Signal, are part of DriveIndex Pro.