O'fallon Buick GMC in O'fallon, MO
Dealer Analysis
340 Cars for sale
Avg. Price: 30757.8
Typical Price Range: 12900.0–55560.0
Average Savings ($) Below Market Price
Avg. Savings: N/A
% of Used Cars That Are Deals
Avg. Mileage: 69564.6
Typical Mileage Range: 17669.6–124571.0
% 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 958 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
Vehicle Age
Top Makes
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Domestic/Foreign
Luxury/Non-Luxury
Showing 1-20 of 340 Listings
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2016 Volkswagen Jetta 1.8T SEL
- Listed Today
- O Fallon, MO (0 mi away)
- $10.6K avg. price with 97K avg. miles
- iSeeCars Dealer Score
Additional info close
Used 2016 Volkswagen Jetta 1.8T SEL for Sale
Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3VWL17AJ3GM331945 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, sunroof |
| Mileage | mi. |
| Transmission | Automatic |
| MPG | 29 combined |
| Drivetrain | Front-wheel drive |
2025 Ford Maverick XL
- Listed Today
- O Fallon, MO (0 mi away)
- $33.1K avg. price with 3K avg. miles
- iSeeCars Dealer Score
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Used 2025 Ford Maverick XL for Sale
Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3FTTW8BA2SRA04232 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, satellite radio, voice recognition |
| Mileage | mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | All-wheel drive |
2019 Chevrolet Cruze LT
- Listed Today
- O Fallon, MO (0 mi away)
- $12.7K avg. price with 78K avg. miles
- iSeeCars Dealer Score
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Used 2019 Chevrolet Cruze LT for Sale
Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1G1BE5SM9K7144169 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, internet radio, alloy wheels |
| Mileage | mi. |
| Transmission | Automatic |
| Interior Color | Black |
| MPG | 32 combined |
| Drivetrain | Front-wheel drive |
2019 Jeep Wrangler Unlimited
- Listed Today
- O Fallon, MO (0 mi away)
- $28.1K avg. price with 69K avg. miles
- iSeeCars Dealer Score
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Used 2019 Jeep Wrangler Unlimited for Sale
Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1C4HJXEG8KW589135 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, satellite radio, voice recognition |
| Mileage | mi. |
| Interior Color | Black |
| Drivetrain | 4X4 |
2024 Chevrolet Corvette Z06
- Listed 20 days ago
- O Fallon, MO (0 mi away)
- $89.3K avg. price with 4K avg. miles
- iSeeCars Dealer Score
Additional info close
Used 2024 Chevrolet Corvette Z06 for Sale
Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 2 Seats |
| VIN | 1G1YF3D37R5603933 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, navigation, backup camera, leather upholstery, alloy wheels |
| Mileage | mi. |
| Transmission | Automatic |
| Interior Color | Red |
| MPG | 15 combined |
| Drivetrain | Rear-wheel drive |
2026 GMC Terrain Denali
- Listed Today
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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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 | 3GKALZEG0TL317181 |
| 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 Sierra 1500 Denali
- Listed Today
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 1500 Denali 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 | 5 Seats |
| VIN | 1GTUUGEL8TZ210296 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 Denali
- Listed Today
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 1500 Denali 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 | 5 Seats |
| VIN | 1GTUUGEL6TZ212029 |
| 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 Yukon Elevation
- Listed Today
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Yukon Elevation 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 | 8 Seats |
| VIN | 1GKS2BKD9TR164172 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 Denali
- Listed 4 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 1500 Denali 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 | 5 Seats |
| VIN | 1GTUUGEL5TZ209543 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 SLT
- Listed 5 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 1500 SLT 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 | 3GTUUDEL8TG178125 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 GMC Sierra 1500 SLT
- Listed 5 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
Additional info close
New 2026 GMC Sierra 1500 SLT 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 | 3GTUUDEL5TG178129 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 Buick Enclave Preferred
- Listed 5 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 Buick Enclave Preferred 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 | 7 Seats |
| VIN | 5GAERAKSXTJ195069 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Interior Color | Black |
| MPG | 22 combined |
| Drivetrain | Front-wheel drive |
2026 GMC Sierra 2500HD SLT
- Listed 5 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 2500HD SLT 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 | 1GT4UNE76TF156571 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Interior Color | Gray |
| Drivetrain | 4X4 |
2026 GMC Sierra 2500HD Denali Ultimate
- Listed 6 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 2500HD Denali Ultimate 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 | Diesel |
| Seats | 5 Seats |
| VIN | 1GT4UXEY8TF155250 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 Buick Enclave Avenir
- Listed 6 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 Buick Enclave Avenir 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 | 7 Seats |
| VIN | 5GAEVCKS0TJ193497 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Interior Color | Black |
| MPG | 21 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Elevation
- Listed 9 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Terrain 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 | 5 Seats |
| VIN | 3GKALMEG4TL312777 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | CVT |
| MPG | 27 combined |
| Drivetrain | Front-wheel drive |
2026 GMC Sierra 1500 SLT
- Listed 9 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
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New 2026 GMC Sierra 1500 SLT 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 | 3GTUUDEL6TG171884 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 0 mi. |
| Transmission | Automatic |
| Drivetrain | 4X4 |
2026 GMC Terrain Elevation
- Listed 9 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
Additional info close
New 2026 GMC Terrain 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 | 5 Seats |
| VIN | 3GKALUEG4TL312620 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | Automatic |
| MPG | 25 combined |
| Drivetrain | 4X4 |
2026 GMC Terrain Elevation
- Listed 10 days ago
- O Fallon, MO (0 mi away)
- iSeeCars Dealer Score
Additional info close
New 2026 GMC Terrain 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 | 5 Seats |
| VIN | 3GKALMEG3TL310471 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 0 mi. |
| Transmission | CVT |
| MPG | 27 combined |
| Drivetrain | Front-wheel drive |
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