O'fallon Buick GMC in O'fallon, MO
Dealer Analysis 36 Deals Found
282 Cars for sale now, starting at $10,200
Avg. Price: 33128.3
Typical Price Range: 12990.0–56960.0
Average Savings ($) Below Market Price
Avg. Savings: $2,844
Save up to $9,050 below est. market price
% of Used Cars That Are Deals
Avg. Mileage: 63101.0
Typical Mileage Range: 13411.3–119526.0
% of Listings with Valid Price, Mileage, and Photo
- This Dealer
- Average Dealer
O'fallon Buick GMC is given a 4.6 "overall dealer rating" based on our analysis of 918 cars the dealer recently listed for sale. This assesses the dealer's price competitiveness, responsiveness to inquiries, and information transparency (how good the dealers are at providing basic information such as vehicle photos, price and mileage).
Inventory Analysis
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Showing 1-20 of 282 Listings
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$27,900
GOOD DEAL
2024 Kia Sportage SX-Prestige
- 37,783 Miles
- O Fallon, MO (0 mi away)
- $1,809 Below market value of $29,709
- Listed Today
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Used 2024 Kia Sportage SX-Prestige for Sale
37,783 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $27,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 5XYK5CDF5RG188919 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, sunroof |
| Mileage | 37,783 mi. |
| Transmission | Automatic |
| Exterior Color | Ebony black |
| Interior Color | Black |
| MPG | 25 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$28,500
GOOD DEAL
2020 Chevrolet Tahoe LT
- 98,806 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 6.1999726 yrs
- $1,900 Below market value of $30,400
- Listed Today
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Used 2020 Chevrolet Tahoe LT for Sale
98,806 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $28,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GNSKBKC1LR165021 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, internet radio |
| Mileage | 98,806 mi. |
| Transmission | Automatic |
| Exterior Color | Summit white |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
2026 GMC Acadia Elevation
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 GMC Acadia Elevation for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GKENNKSXTJ260640 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 21 combined |
| Drivetrain | 4X4 |
2026 GMC Acadia Elevation
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 GMC Acadia Elevation for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GKENNKS5TJ261419 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 21 combined |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 Pro
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 GMC Sierra 1500 Pro for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1GTRUAED7TZ271652 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, voice recognition, power outlet |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 Buick Envista Sport Touring
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 Buick Envista Sport Touring for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 3-cylinder |
| Fuel Type | Flex fuel |
| Seats | 5 Seats |
| VIN | KL47LBEP4TB120202 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Interior Color | Black |
| MPG | 22 combined |
| Drivetrain | Front-wheel drive |
$20,900
GOOD DEAL
2016 GMC Sierra 1500 SLE
- 113,514 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 5.88627 yrs
- $2,051 Below market value of $22,951
- Listed 3 days ago
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Used 2016 GMC Sierra 1500 SLE for Sale
113,514 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $20,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Flex fuel |
| Seats | 6 Seats |
| VIN | 3GTU2MEH4GG343305 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, internet radio, alloy wheels |
| Mileage | 113,514 mi. |
| Transmission | Automatic |
| Exterior Color | Red |
| Interior Color | Brown |
| MPG | 19 combined |
| Drivetrain | 4X4 |
$32,900
GOOD DEAL
2018 Toyota Tacoma SR
- 40,048 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 10.719844 yrs
- $770 Below market value of $33,670
- Listed 3 days ago
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Used 2018 Toyota Tacoma SR for Sale
40,048 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $32,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3TMCZ5AN3JM162018 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, voice recognition, power outlet |
| Mileage | 40,048 mi. |
| Transmission | Automatic |
| Exterior Color | Silver |
| Interior Color | Gray |
| MPG | 20 combined |
| Drivetrain | 4X4 |
2026 GMC Acadia Elevation
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 GMC Acadia Elevation for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GKENNKS7TJ259722 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 21 combined |
| Drivetrain | 4X4 |
2026 GMC Acadia Elevation
- O Fallon, MO (0 mi away)
- Listed 3 days ago
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New 2026 GMC Acadia Elevation for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GKENNKS1TJ260199 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 21 combined |
| Drivetrain | 4X4 |
$12,800
GOOD DEAL
2015 Ford Explorer XLT
- 98,161 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 4.579008 yrs
- $625 Below market value of $13,425
- Listed 3 days ago
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Used 2015 Ford Explorer XLT for Sale
98,161 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $12,800 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1FM5K8D86FGB88081 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, alloy wheels, satellite radio, voice recognition |
| Mileage | 98,161 mi. |
| Transmission | Automatic |
| Exterior Color | White |
| Interior Color | Gray |
| MPG | 14 combined |
| Drivetrain | All-wheel drive |
$14,600
GREAT DEAL
2019 Buick Encore Preferred
- 50,843 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 6.6815324 yrs
- $2,075 Below market value of $16,675
- Listed 5 days ago
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Used 2019 Buick Encore Preferred for Sale
50,843 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $14,600 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | KL4CJASB8KB865850 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, internet radio, alloy wheels |
| Mileage | 50,843 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| MPG | 27 combined |
| Drivetrain | Front-wheel drive |
$35,900
FAIR DEAL
2021 GMC Sierra 1500 Denali
- 100,076 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 8.52652 yrs
- $468 Above market value of $35,432
- Listed 5 days ago
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Used 2021 GMC Sierra 1500 Denali for Sale
100,076 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $35,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GTU9FEL9MG240968 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 100,076 mi. |
| Transmission | Automatic |
| Exterior Color | Gray |
| Interior Color | Black |
| MPG | 16 combined |
| Drivetrain | 4X4 |
$28,400
FAIR DEAL
2019 Chevrolet Colorado ZR2
- 73,325 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 8.429875 yrs
- $111 Above market value of $28,288
- Listed 5 days ago
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Used 2019 Chevrolet Colorado ZR2 for Sale
73,325 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $28,400 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1GCGTEEN1K1154365 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, alloy wheels |
| Mileage | 73,325 mi. |
| Transmission | Automatic |
| Exterior Color | White |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 AT4
- O Fallon, MO (0 mi away)
- Listed 6 days ago
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New 2026 GMC Sierra 1500 AT4 for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Diesel |
| Seats | 5 Seats |
| VIN | 3GTUUEE88TG145143 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Interior Color | Black |
| Drivetrain | 4X4 |
2026 GMC Terrain Denali
- O Fallon, MO (0 mi away)
- Listed 6 days ago
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New 2026 GMC Terrain Denali for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALZEG4TL396290 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Denali
- O Fallon, MO (0 mi away)
- Listed 6 days ago
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New 2026 GMC Terrain Denali for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALZEG3TL395907 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Denali
- O Fallon, MO (0 mi away)
- Listed 6 days ago
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New 2026 GMC Terrain Denali for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALZEG3TL395048 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Denali
- O Fallon, MO (0 mi away)
- Listed 6 days ago
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New 2026 GMC Terrain Denali for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALZEG2TL394411 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Denali
- O Fallon, MO (0 mi away)
- Listed 7 days ago
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New 2026 GMC Terrain Denali for Sale
0 Miles
O Fallon, MO (0 mi away)
| Category | New Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GKALZEG4TL395348 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
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