Used BMW 645i Price in the US
A used BMW 645i in the US typically lists for $7,397–$12,438, with a median asking price of $9,694 across 6 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $3,995, a 2004 Ci in Opa Locka, FL — below 95% of the market, so expect an older model year, a base trim or high mileage.
Cheapest 6 listed right now
ranked by price
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 $7,397–$12,438. Cars this far under usually carry an older model year, a base trim or high mileage.
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6 pinnedFAQ
How much does a used BMW 645i cost?
A used BMW 645i in the US typically lists for $7,397 to $12,438, with a median asking price of $9,694 across 6 active US dealer listings. Nine in ten are priced between $4,746 and $13,743 (as of 2026-09-01, source: UnderMarket Cars).
Is $10,000 a good price for a used BMW 645i?
That sits at about the market median ($9,694) for a used BMW 645i. Under $7,397 puts you in the cheapest quarter of active US listings and under $4,746 in the cheapest 5%; above $13,743 is the priciest 5% (as of 2026-09-01).
What is the cheapest used BMW 645i for sale right now?
$3,995 — a 2004 BMW 645i Ci in Opa Locka, FL, $5,699 under the median (as of 2026-09-01).
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?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used BMW 645i price page at least twice a day. The data date shown on this page is 2026-09-01.
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Prices updated 2026-09-01. Data covers active dealer listings across the USA.