Used 2018 BMW 650I, B6 Price in the US
A used 2018 BMW 650I, B6 in the US typically lists for $36,098–$38,890, with a median asking price of $36,998 across 5 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $30,849, a 2018 Xdrive Gran in Broken Arrow, OK — below 95% of the market, so expect an older model year, a base trim or high mileage.
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$30,8492018 BMW 650I, B6 Xdrive Gran94,293 mi · Broken Arrow, OK · Jim Norton ChevroletView listing → -
$36,0982018 BMW 650I, B6 Xdrive Gran88,858 mi · Victor, NY · Auction Direct RochesterView listing →
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$39,9952018 BMW 650I, B6 Xdrive Gran65,626 mi · Hopkins, MN · Mainstreet Motor CompanyView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 BMW 650I, B6 asks $36,098–$38,890. Cars this far under usually carry an older model year, a base trim or high mileage.
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5 pinnedFAQ
How much does a used 2018 BMW 650I, B6 cost?
A used 2018 BMW 650I, B6 in the US typically lists for $36,098 to $38,890, with a median asking price of $36,998 across 5 active US dealer listings. Nine in ten are priced between $31,899 and $39,774 (as of 2026-08-28, source: UnderMarket Cars).
Is $37,000 a good price for a used 2018 BMW 650I, B6?
That sits at about the market median ($36,998) for a used 2018 BMW 650I, B6. Under $36,098 puts you in the cheapest quarter of active US listings and under $31,899 in the cheapest 5%; above $39,774 is the priciest 5% (as of 2026-08-28).
What is the cheapest used 2018 BMW 650I, B6 for sale right now?
$30,849 — a 2018 BMW 650I, B6 Xdrive Gran in Broken Arrow, OK, $6,149 under the median (as of 2026-08-28).
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 2018 BMW 650I, B6 price page at least twice a day. The data date shown on this page is 2026-08-28.
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Prices updated 2026-08-28. Data covers active dealer listings across the USA.