Used GMC Sierra for Sale in O Fallon, IL
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South Auto Center
Authorized EpicVIN dealer
63052, Imperial MO
Check DetailsSouth Auto Center
Authorized EpicVIN dealer
63052, Imperial MO
Check DetailsNapleton Nissan
Authorized EpicVIN dealer
63132, St. Louis MO
Check DetailsClement Pre-Owned
Authorized EpicVIN dealer
63033, Florissant MO
Check DetailsWeber Ford
Authorized EpicVIN dealer
62040, Granite City IL
Check DetailsWeber Ford
Authorized EpicVIN dealer
62040, Granite City IL
Check DetailsDon Brown Chevrolet
Authorized EpicVIN dealer
63110, Saint Louis MO
Check DetailsWeber Ford
Authorized EpicVIN dealer
62040, Granite City IL
Check DetailsBob Brockland Buick GMC
Authorized EpicVIN dealer
62236, Columbia IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsNewbold Toyota
Authorized EpicVIN dealer
62269, O Fallon IL
Check DetailsJim Butler Chevrolet
Authorized EpicVIN dealer
63026, Fenton MO
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsJansen Chevrolet Co., Inc.
Authorized EpicVIN dealer
62245, Germantown IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsLaura Buick GMC, Inc.
Authorized EpicVIN dealer
62234, Collinsville IL
Check DetailsQuality Buick GMC Cadillac
Authorized EpicVIN dealer
62002, Alton IL
Check DetailsFrequently Asked Questions
Our marketplace currently lists 659 used cars in O Fallon, IL from dealers and private sellers. Prices range from $21,684 to $45,870.
Top brands by active listings in O Fallon, IL are Gmc. The mix often reflects local buying preferences.
The average listed price in O Fallon, IL is $33,499. 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.
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