Used Kia for Sale in O'Fallon, MO

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$21,899
$21,899 above
$646/mo est. ?
152,203 km 1.6L

Drive Force Auto Plaza

63026, Fenton MO

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$1,450
$1,450 above
$43/mo est. ?
199,829 km 2.0L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$2,350
$2,350 above
$69/mo est. ?
239,788 km 3.3L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$38,511
$38,511 above
$1,136/mo est. ?
59,013 km 3.8L

Lou Fusz Kia

63132, Saint Louis MO

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$19,998
$19,998 above
$590/mo est. ?
89,608 km

CarMax St. Louis Mid Rivers Mall - Now offering Curbside Pickup

63376, O Fallon MO

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197,287 km 2.4L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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291,490 km 2.4L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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49,329 km 2.0L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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309,125 km 3.3L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$14,991
$14,991 above
$442/mo est. ?
124,093 km

Johnny Londoff Chevrolet

4.2 Google 1262 reviews

63031, Florissant MO

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139,250 km 2.4L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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347,156 km 3.3L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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192,709 km 2.4L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$1,400
$1,400 above
$41/mo est. ?
123,390 km 2.0L

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5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$27,024
$27,024 above
$797/mo est. ?
32,559 km 1.6L

Dave Sinclair Buick GMC

63123, St Louis MO

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$21,998
$21,998 above
$649/mo est. ?
61,873 km

CarMax St. Louis Mid Rivers Mall - Now offering Curbside Pickup

63376, O Fallon MO

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$19,998
$19,998 above
$590/mo est. ?
32,942 km

CarMax St. Louis South Lindbergh

63123, SAINT GEORGE MO

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$11,499
$11,499 above
$339/mo est. ?
201,909 km 1.6L

63114, Saint Louis MO

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37,631 km 2.0L

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Authorized EpicVIN dealer

5.0
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1 review
3.7 Google 199 reviews

63044, BRIDGETON MO

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$5,990
$5,990 above
$177/mo est. ?
201,692 km 2.0L

Auto Nova

4.4 Google 71 reviews

63125, Saint Louis MO

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$33,994
$33,994 above
$1,002/mo est. ?
46,502 km

Napletons Mid Rivers Chrysler Dodge Jeep Ram

63376, Saint Peters MO

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$35,000
$35,000 above
$1,032/mo est. ?
9,971 km

Napleton's Mid Rivers Kia

4.6 Google 2490 reviews

63376, St Peters MO

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$13,500
$13,500 above
$398/mo est. ?
150,473 km

Ed Napleton Honda of St. Peters

4.5 Google 3785 reviews

63376, Saint Peters MO

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$31,999
$31,999 above
$944/mo est. ?
27,056 km

Bommarito Nissan Ballwin

63011, Ballwin MO

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Frequently Asked Questions

Our marketplace currently lists 751 used cars in O'fallon, MO from dealers and private sellers. Prices range from $6,672 to $19,599.

Top brands by active listings in O'fallon, MO are Kia. The mix often reflects local buying preferences.

The average listed price in O'fallon, MO is $13,483. Browse by budget: under $10,000, under $20,000, or under $30,000.

No — you can buy from a seller in O'fallon, MO 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 Missouri.