Used 2020 BMW M850i Price in the US
A used 2020 BMW M850i in the US typically lists for $39,187–$47,872, with a median asking price of $43,410 across 23 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $31,975, a 2020 Xdrive GC in Crestwood, IL — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
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$38,8792020 BMW M850i Xdrive GC87,024 mi · Atlantic Highlands, NJ · NJ Auto Xchange LlcView listing →
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These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 BMW M850i asks $39,187–$47,872. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2020 BMW M850i cost?
A used 2020 BMW M850i in the US typically lists for $39,187 to $47,872, with a median asking price of $43,410 across 23 active US dealer listings. Nine in ten are priced between $36,999 and $55,481 (as of 2026-10-15, source: UnderMarket Cars).
Is $43,000 a good price for a used 2020 BMW M850i?
That sits at about the market median ($43,410) for a used 2020 BMW M850i. Under $39,187 puts you in the cheapest quarter of active US listings and under $36,999 in the cheapest 5%; above $55,481 is the priciest 5% (as of 2026-10-15).
What is the cheapest used 2020 BMW M850i for sale right now?
$31,975 — a 2020 BMW M850i Xdrive GC in Crestwood, IL, $11,435 under the median (as of 2026-10-15).
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 2020 BMW M850i page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.
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Prices updated 2026-10-15. Data covers active dealer listings across the USA.