2005 BMW 645Ci

Every time it’s been to auction

2 appearances. Oldest first.

1. Oct 2024Sold $20,250Bring a Trailer12,000 miles
2. Jan 2026Sold $17,000Bring a Trailer18,000 miles

What 645Ci convertibles sell for

11 sales since January 2025.

What the listing said

SamWhen it sold in January 2026, the listing gave 18,000 miles and a Carfax report.

645Ci convertibles that sold

The 11 sales behind the range above since January 2025. Newest first.

• 2005125,600 miles · Aug 2026 · Cars & Bids$7,900
• 200557,000 miles · Jun 2026 · Bring a Trailer$13,250
• 200532,000 miles · Apr 2026 · Bring a Trailer$11,945
• 2005This car · 18,000 miles · Jan 2026 · Bring a Trailer$17,000
• 200520,000 miles · Jul 2025 · Bring a Trailer$15,600
• 200577,000 miles · Jul 2025 · Bring a Trailer$13,250
• 200576,700 miles · Jun 2025 · Cars & Bids$12,900
• 200515,000 miles · Jun 2025 · Bring a Trailer$17,501
• 200533,000 miles · Apr 2025 · Bring a Trailer$10,500
• 200555,000 miles · Feb 2025 · Bring a Trailer$15,500
• 200549,000 miles · Jan 2025 · Bring a Trailer$9,500

645Ci coupes that sold

5 since January 2025. A different body, so not part of the range above. Newest first.

• 200536,000 miles · Oct 2026 · Bring a Trailer$13,250
• 200590,000 miles · Jun 2026 · Cars & Bids$9,950
• 200541,000 miles · Mar 2026 · Bring a Trailer$8,111
• 200591,400 miles · Oct 2025 · Cars & Bids$6,700
• 200591,200 miles · Feb 2025 · Cars & Bids$8,350

Questions

What did this car last sell for?

$17,000 ($17,850 with buyer's fee) on Bring a Trailer in January 2026.

How many times has it been to auction?

Twice, and it sold each time.

How does its last sale compare with others?

Its 2026 sale was $17,000. The typical range for 645Ci convertibles sold since January 2025 is $11,000 to $15,500.