Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used BMW 645i 11 listings tracked

Used BMW 645i Price in the US

A used BMW 645i in the US typically lists for $7,498–$11,610, with a median asking price of $9,995 across 11 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $5,998, a 2004 CI in Panorama City, CA — below 95% of the market, so expect an older model year, high mileage or a branded title — check the vehicle history.

Cheapest 10 listed right now

ranked by price
  1. $5,998
    2004 BMW 645i CI
    159,977 mi · Panorama City, CA · Happy Auto Group
    View listing →
  2. $6,995
    2004 BMW 645i CI
    140,000 mi · Spokane, WA · Austins Apex Auto
    View listing →
  3. 2004 BMW 645i
    $6,995
    2004 BMW 645i CI
    131,835 mi · Largo, FL · Dynamic Motors
    View listing →
  4. $8,000
    2004 BMW 645i CI
    69,184 mi · Spanaway, WA · TM Auto Sales
    View listing →
  5. 2004 BMW 645i
    $9,500
    2004 BMW 645i CI
    102,000 mi · Belvidere, NJ
    View listing →
  6. 2004 BMW 645i
    $9,995
    2004 BMW 645i CI
    54,636 mi · Duluth, MN · Duluth Motorsports
    View listing →
  7. 2004 BMW 645i
    $10,590
    2004 BMW 645i CI
    61,027 mi · Pompano Beach, FL · Sienna Motors
    View listing →
  8. $11,220
    2004 BMW 645i CI
    84,142 mi · Houston, TX · Mossy Nissan
    View listing →
  9. 2004 BMW 645i
    $12,000
    2004 BMW 645i CI
    92,457 mi · Havertown, PA
    View listing →
  10. 2004 BMW 645i
    $13,684
    2004 BMW 645i CI
    67,244 mi · Frederick, MD · South Street Autos
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used BMW 645i asks $7,498–$11,610. Cars this far under: expect an older model year, high mileage or a branded title — check the vehicle history.

FAQ

How much does a used BMW 645i cost?

A used BMW 645i in the US typically lists for $7,498 to $11,610, with a median asking price of $9,995 across 11 active US dealer listings. Nine in ten are priced between $6,497 and $13,997 (as of 2026-10-17, source: UnderMarket Cars).

Is $10,000 a good price for a used BMW 645i?

That sits at about the market median ($9,995) for a used BMW 645i. Under $7,498 puts you in the cheapest quarter of active US listings and under $6,497 in the cheapest 5%; above $13,997 is the priciest 5% (as of 2026-10-17).

What is the cheapest used BMW 645i for sale right now?

$5,998 — a 2004 BMW 645i CI in Panorama City, CA, $3,997 under the median (as of 2026-10-17).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used BMW 645i page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

Explore more

Search with map & filters

Prices updated 2026-10-17. Data covers active dealer listings across the USA.