Used Audi A4 for Sale in O Fallon, IL

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$14,443
$14,443 above
$426/mo est. ?
156,734 km

Authorized EpicVIN dealer

63123, Saint Louis MO

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$22,587
$22,587 above
$666/mo est. ?
87,374 km

Dean Team Volvo Cars of Saint Louis

Authorized EpicVIN dealer

63143, Saint Louis MO

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$5,995
$5,995 above
$177/mo est. ?
265,803 km

KTS Auto Sales Inc

63136, St Luis MO

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$8,995
$8,995 above
$265/mo est. ?
197,939 km

KTS Auto Sales Inc

63136, St Luis MO

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$4,900
$4,900 above
$144/mo est. ?
234,643 km

GOODFELLAS AUTO SALES

63052, Imperial MO

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$16,042
$16,042 above
$473/mo est. ?
140,093 km

63123, Saint Louis MO

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$8,995
$8,995 above
$265/mo est. ?
173,809 km

63116, St Louis MO

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$9,949
$9,949 above
$293/mo est. ?
173,155 km 2.0L

Dean Team of Brentwood

63144, Brentwood MO

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$10,495
$10,495 above
$309/mo est. ?
94,743 km 2.0L

Royal Motor Sales LLC

63116, Saint Louis MO

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$13,995
$13,995 above
$413/mo est. ?
109,636 km

Bogie's Motors

63139, Saint Louis MO

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$19,998
$19,998 above
$590/mo est. ?
92,704 km

CarMax St. Louis South Lindbergh

63123, SAINT GEORGE MO

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$21,249
$21,249 above
$627/mo est. ?
108,494 km

63141, Saint Louis MO

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$29,949
$29,949 above
$883/mo est. ?
13,736 km

Auffenberg Volkswagen

62269, Shiloh IL

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$21,810
$21,810 above
$643/mo est. ?
48,330 km

62269, Shiloh IL

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$11,995
$11,995 above
$354/mo est. ?
156,190 km

Lucky Motorz

63114, Saint Louis MO

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$20,993
$20,993 above
$619/mo est. ?
83,930 km

Audi Exchange of Kirkwood New

63122, Kirkwood MO

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$27,618
$27,618 above
$814/mo est. ?
91,296 km

Audi Creve Coeur

63141, Creve Coeur MO

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$18,141
$18,141 above
$535/mo est. ?
134,493 km

Auffenberg Nissan

4.6 Google 1280 reviews

62269, O Fallon IL

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$33,500
$33,500 above
$988/mo est. ?
26,791 km

Bommarito Volkswagen Hazelwood

4.5 Google 1103 reviews

63042, Hazelwood MO

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Frequently Asked Questions

Our marketplace currently lists 19 used cars in O Fallon, IL from dealers and private sellers. Prices range from $17,931 to $17,931.

Top brands by active listings in O Fallon, IL are Audi. The mix often reflects local buying preferences.

The average listed price in O Fallon, IL is $17,931. 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.