Used GMC Sierra Hd for Sale in O Fallon, MO

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$98,929
$98,929 above
$2,917/mo est. ?
4,973 km

Authorized EpicVIN dealer

63379, Troy MO

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$87,923
$87,923 above
$2,587/mo est. ?
11 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$80,408
$80,408 above
$2,366/mo est. ?
8 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$68,494
$68,494 above
$2,020/mo est. ?
57,964 km

Bob Brockland Buick GMC

Authorized EpicVIN dealer

62236, Columbia IL

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$101,735
$101,735 above
$2,994/mo est. ?
10 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$82,398
$82,398 above
$2,425/mo est. ?
10 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$80,903
$80,903 above
$2,381/mo est. ?
8 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$93,705
$93,705 above
$2,757/mo est. ?
8 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$85,455
$85,455 above
$2,515/mo est. ?
10 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$88,019
$88,019 above
$2,590/mo est. ?
11 km 6.6L

Authorized EpicVIN dealer

63379, Troy MO

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$77,089
$77,089 above
$2,273/mo est. ?
71,495 km

Authorized EpicVIN dealer

63141, Saint Louis MO

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$88,765
$88,765 above
$2,618/mo est. ?
1,585 km

Authorized EpicVIN dealer

63141, Saint Louis MO

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$82,814
$82,814 above
$2,437/mo est. ?
0 km

Dave Sinclair Buick GMC

63123, St Louis MO

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$91,044
$91,044 above
$2,679/mo est. ?
8 km

63379, Troy MO

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$74,648
$74,648 above
$2,201/mo est. ?
14,431 km

Bob Brockland Buick GMC

62236, Columbia IL

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$95,094
$95,094 above
$2,798/mo est. ?
0 km 6.6L

Suntrup Buick GMC

63376, St Peters MO

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$66,844
$66,844 above
$1,967/mo est. ?
21 km 6.6L

Dave Sinclair Buick GMC

63123, St Louis MO

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$58,339
$58,339 above
$1,717/mo est. ?
0 km 6.6L

63123, Saint Louis MO

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$58,791
$58,791 above
$1,730/mo est. ?
0 km 6.6L

63123, Saint Louis MO

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$76,682
$76,682 above
$2,256/mo est. ?
3 km 6.6L

Bob Brockland Buick GMC

62236, Columbia IL

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$96,460
$96,460 above
$2,838/mo est. ?
0 km 6.6L

Modern Auto Company

4.5 Google 263 reviews

63090, Washington MO

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$72,995
$72,995 above
$2,153/mo est. ?
76,563 km

Sunset Auto

63127, Saint Louis MO

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$76,800
$76,800 above
$2,265/mo est. ?
40,942 km

63303, St. Charles MO

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$85,520
$85,520 above
$2,517/mo est. ?
0 km 6.6L

Bommarito Buick GMC

63011, Ellisville MO

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Frequently Asked Questions

Our marketplace currently lists 223 used cars in O Fallon, MO from dealers and private sellers. Prices range from $47,538 to $68,805.

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

The average listed price in O Fallon, MO is $58,172. 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.