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Car Dealerships in O Fallon, MO

7 dealerships in O Fallon, MO list 240 vehicles on AutosXchange.

7dealerships240vehicles

Cars for sale in O FallonMissouri dealers
AutosXchange Intel

Dealer activity in O Fallon, MO

0 of 3 dealerships meet the ranking threshold. Data as of Nov 6, 12:35 PM UTC.

Most active dealers (removed from sale, 30 days)

Rankings appear once dealers have at least 20 listings tracked for 14 days (tracking began Nov 5, 2026).

Most price changes (30 days)

Rankings appear once dealers have at least 20 listings tracked for 14 days (tracking began Nov 5, 2026).

Fastest average turnover

Shown once dealers have 10+ removals of cars first listed after their first week on AutosXchange.

Largest inventory

  1. 1MYLENBUSCH AUTO SOURCE O'Fallon, MO · 77 listings
  2. 2STL Automotive Group O'Fallon, MO · 52 listings
  3. 3O'Fallon Motors O’Fallon, MO · 35 listings
Rankings use only dealers with at least 20 listings tracked over at least 14 days. "Units moved" counts listings removed from the dealer's website in the last 30 days (relists excluded); it is not a confirmed sale. Price changes count listings with at least one price change of $50+. Turnover = median days from first listing to removal, for cars first listed after the dealer's first week on AutosXchange (10+ removals). Source: AutosXchange Intel Hub, autos-xchange.com/market. Asking prices of dealer listings tracked by AutosXchange since Nov 5, 2026, not sold prices; not seasonally adjusted. A market figure is published only with at least 30 listings from at least 5 dealers (no dealer above 40%). "Removed from sale" means a listing left the dealer's website; it is not a confirmed sale. Methodology
Dealerships

Dealerships in O Fallon, MO