2004 BMW 645Ci Convertible
Sold at Mecum Auctions on Nov. 13, 2025.
$20,350Confirmed
The price as reported by the house. Hammer price $18,500, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 2004
- Make and model
- BMW 6 Series (2004 on)
- Generation
- 6 Series (2004 to 2010)
- Gearbox
- Automatic
- VIN
- WBAEK73424B321052
- Condition
- Good (3)Likely
Condition is our reading of the listing's description on Hagerty's 1 to 4 scale, not an inspection.
Against comparable sales
Above the middle half of 143 comparable sales, 21% over its top.
Middle half of sales$8,687 to $15,250
Median$11,400
Sales behind it143Likely
From 143 sales of the BMW 6 Series (2004 on) 6 Series (2004 to 2010) in our data over the last 24 months. Hammer prices, before buyer's fees. Half sold between $8,687 and $15,250.
Closest sales
| Car | Auction | Date | Price |
|---|---|---|---|
| 2004 BMW 645Ci Convertible SportBring a Trailer, Oct. 7, 2026 | Bring a Trailer | Oct. 7, 2026 | $9,500 |
| 2004 BMW 645Ci ConvertibleBring a Trailer, Sept. 26, 2026 | Bring a Trailer | Sept. 26, 2026 | $7,000 |
| 2004 BMW 645Ci CONVERTIBLEBarrett-Jackson, Sept. 10, 2026 | Barrett-Jackson | Sept. 10, 2026 | $3,700 |
| 2004 BMW 645Ci ConvertibleBring a Trailer, Sept. 10, 2026 | Bring a Trailer | Sept. 10, 2026 | $9,900 |
| 2004 BMW 645Ci CONVERTIBLEBarrett-Jackson, Sept. 10, 2026 | Barrett-Jackson | Sept. 10, 2026 | $4,500 |
| 2004 BMW 645Ci ConvertibleBring a Trailer, Aug. 15, 2026 | Bring a Trailer | Aug. 15, 2026 | $9,500 |
| 2004 BMW 645Ci ConvertibleMecum, July 23, 2026 | Mecum | July 23, 2026 | $16,500 |
| 2004 BMW 645Ci ConvertibleBring a Trailer, May 20, 2026 | Bring a Trailer | May 20, 2026 | $8,988 |