2005 BMW 645Ci Convertible
Sold at Mecum Auctions on July 25, 2026.
$20,900Confirmed
The price as reported by the house. Hammer price $19,000, before the buyer's premium. Read from the house's results Oct. 14, 2026.
The car
- Year
- 2005
- Make and model
- BMW 6 Series (2004 on)
- Generation
- 6 Series (2004 to 2010)
- Gearbox
- Automatic
- VIN
- WBAEK73415B327412
- 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, 25% 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 |
|---|---|---|---|
| 36k-Mile 2005 BMW 645Ci CoupeBring a Trailer, Oct. 13, 2026 | Bring a Trailer | Oct. 13, 2026 | $13,250 |
| 2005 BMW 645Ci CONVERTIBLEBarrett-Jackson, June 25, 2026 | Barrett-Jackson | June 25, 2026 | $6,800 |
| 2005 BMW 645Ci CONVERTIBLEBarrett-Jackson, April 16, 2026 | Barrett-Jackson | April 16, 2026 | $11,000 |
| 2005 BMW 645Ci ConvertibleBring a Trailer, April 9, 2026 | Bring a Trailer | April 9, 2026 | $11,945 |
| 2005 BMW 645Ci CoupeBring a Trailer, March 1, 2026 | Bring a Trailer | March 1, 2026 | $12,250 |
| 2005 BMW 645Ci ConvertibleBring a Trailer, Jan. 22, 2026 | Bring a Trailer | Jan. 22, 2026 | $17,000 |
| 2005 BMW 645Ci ConvertibleMecum, Jan. 18, 2026 | Mecum | Jan. 18, 2026 | $7,800 |
| 2005 BMW 645Ci ConvertibleMecum, Jan. 18, 2026 | Mecum | Jan. 18, 2026 | $13,000 |