Used 2020 BMW 840i Price in the US
A used 2020 BMW 840i in the US typically lists for $35,730–$42,040, with a median asking price of $39,526 across 52 active US dealer listings (as of 2026-10-16). The cheapest one listed right now is $22,495, a 2020 Gran in Fort Worth, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $35,730 – $42,040
- Median
- $39,526
- Cheapest 5%
- under $28,523
- Cheapest listed now
- $22,495
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
$29,4952020 BMW 840i Xdrive GC99,743 mi · Maryland Heights, MO · Continental Auto Sales of Maryland HeightsView 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 840i asks $35,730–$42,040. 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 840i cost?
A used 2020 BMW 840i in the US typically lists for $35,730 to $42,040, with a median asking price of $39,526 across 52 active US dealer listings. Nine in ten are priced between $28,523 and $47,122 (as of 2026-10-16, source: UnderMarket Cars).
Is $40,000 a good price for a used 2020 BMW 840i?
That sits at about the market median ($39,526) for a used 2020 BMW 840i. Under $35,730 puts you in the cheapest quarter of active US listings and under $28,523 in the cheapest 5%; above $47,122 is the priciest 5% (as of 2026-10-16).
What is the cheapest used 2020 BMW 840i for sale right now?
$22,495 — a 2020 BMW 840i Gran in Fort Worth, TX, $17,031 under the median (as of 2026-10-16).
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 840i page is regenerated from it when it is requested. The figures on this page are from 2026-10-16.
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Prices updated 2026-10-16. Data covers active dealer listings across the USA.