Used Mazda for Sale in O Fallon, IL
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63044, BRIDGETON MO
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62232, CASEYVILLE IL
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62232, CASEYVILLE IL
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62232, CASEYVILLE IL
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62232, CASEYVILLE IL
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62040, GRANITE CITY IL
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62232, CASEYVILLE IL
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62232, CASEYVILLE IL
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62205, CAHOKIA HEIGHTS IL
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62232, CASEYVILLE IL
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Authorized EpicVIN dealer
62232, CASEYVILLE IL
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Authorized EpicVIN dealer
62232, CASEYVILLE IL
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62205, CAHOKIA HEIGHTS IL
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63044, BRIDGETON MO
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62205, CAHOKIA HEIGHTS IL
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63044, BRIDGETON MO
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63123, SAINT GEORGE MO
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62205, CAHOKIA HEIGHTS IL
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62205, CAHOKIA HEIGHTS IL
Check DetailsCarMax St. Louis South Lindbergh
63123, SAINT GEORGE MO
Check DetailsFrequently Asked Questions
Our marketplace currently lists 436 used cars in O Fallon, IL from dealers and private sellers. Prices range from $10,842 to $26,688.
Top brands by active listings in O Fallon, IL are Mazda. The mix often reflects local buying preferences.
The average listed price in O Fallon, IL is $19,460. Browse by budget: under $10,000, under $20,000, or under $30,000.
No — you can buy from a seller in O Fallon, IL regardless of your state of residence. You'll need to register and title the vehicle in your home state within the required window (usually 30 days). Local dealers typically handle paperwork for out-of-state buyers.
Yes — popular nearby options include cities across the state. You can also browse all used cars in Illinois.
Broader inventory
Mazda in other cities in Illinois