Live US dealer listings Median-priced benchmark Updated 2026-07-19
Cheapest · Used 2018 BMW 640xi Rank #1 / 33 listings

Cheapest Used 2018 BMW 640xi for Sale in the US

The cheapest used 2018 BMW 640xi in the US today costs $13,495 — a 2018 Xdrive GT located in Decatur, GA. We track 33 active listings; the median price is $19,498, so the top deal is $6,003 under the median.

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Top 10 cheapest listings

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  1. 2018 BMW 640xi
    $13,495
    2018 BMW 640xi Xdrive GT
    145,076 mi · Decatur, GA · Atlanta Prestige Motors
    View listing →
  2. 2018 BMW 640xi
    $14,990
    2018 BMW 640xi Xdrive GT
    125,387 mi · Goldsboro, NC · MT Car Sales Inc.
    View listing →
  3. 2018 BMW 640xi
    $15,888
    2018 BMW 640xi Xdrive GT
    108,710 mi · Oxford, NC · Oxford Car & Truck
    View listing →
  4. 2018 BMW 640xi
    $15,995
    2018 BMW 640xi Xdrive GT
    96,085 mi · Pensacola, FL · drive it now inc
    View listing →
  5. 2018 BMW 640xi
    $16,783
    2018 BMW 640xi Xdrive GT
    107,244 mi · Danvers, MA · Ira Subaru of Danvers
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  6. 2018 BMW 640xi
    $16,788
    2018 BMW 640xi Xdrive GT
    99,512 mi · Miami, FL · Car Factory Outlet
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  7. $16,988
    2018 BMW 640xi Xdrive GT
    99,512 mi · Miami, FL · Car Factory Outlet
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  8. 2018 BMW 640xi
    $16,994
    2018 BMW 640xi Xdrive GT
    94,484 mi · Orlando, FL · Mint Auto Sales
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  9. $18,288
    2018 BMW 640xi Xdrive GT
    96,352 mi · Troy, NC · Montgomery Ford
    View listing →
  10. 2018 BMW 640xi
    $18,495
    2018 BMW 640xi Xdrive GT
    90,200 mi · Lehi, UT · Action Auto Sales and Finance Inc.
    View listing →

FAQ

How much does the cheapest used 2018 BMW 640xi cost?

$13,495 — a 2018 Xdrive GT in Decatur, GA (as of 2026-07-19).

What is the median price of a used 2018 BMW 640xi?

$19,498 across 33 US dealer active listings.

How often are prices updated?

Listings and prices refresh continuously; this page is re-generated at least twice a day.

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Prices updated 2026-07-19. Data covers active dealer listings across the USA.