O'fallon Buick GMC in O'fallon, MO
Dealer Analysis 25 Deals Found
351 Cars for sale now, starting at $11,900
Avg. Price: 32383.6
Typical Price Range: 12900.0–57020.0
Average Savings ($) Below Market Price
Avg. Savings: $4,054
Save up to $15,933 below est. market price
% of Used Cars That Are Deals
Avg. Mileage: 64011.5
Typical Mileage Range: 13200.4–120239.0
% 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 874 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
Top Bodystyles
Domestic/Foreign
Luxury/Non-Luxury
Showing 1-20 of 351 Listings
Sort by:
$86,900
$87,900
GREAT DEAL
2024 BMW 7 Series 760i xDrive
- 7,265 Miles
- O Fallon, MO (0 mi away)
- $15,933 Below market value of $102,833
- 1 Owner, Low annual miles
- Listed 50 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 BMW 7 Series 760i xDrive for Sale
7,265 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $86,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Seats | 5 Seats |
| VIN | WBA33EJ01RCS88037 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 7,265 mi. |
| Transmission | Automatic |
| Exterior Color | Black sapphire metallic |
| Interior Color | Black |
| MPG | 20 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$58,500
$58,900
GREAT DEAL
2024 GMC Sierra 2500HD SLT
- 25,483 Miles
- O Fallon, MO (0 mi away)
- $10,047 Below market value of $68,547
- 1 Owner, Low annual miles
- Listed 79 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 GMC Sierra 2500HD SLT for Sale
25,483 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $58,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1GT49NE79RF456339 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 25,483 mi. |
| Transmission | Automatic |
| Exterior Color | Summit white |
| Interior Color | Black |
| Drivetrain | 4X4 |
| Positives | one owner |
$44,900
$45,900
GREAT DEAL
2024 Porsche Macan Base
- 26,226 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 12.901775 yrs
- $7,901 Below market value of $52,801
- Listed 76 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 Porsche Macan Base for Sale
26,226 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $44,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | WP1AA2A50RLB13934 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 26,226 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| MPG | 21 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$43,900
$44,900
GREAT DEAL
2023 BMW X5 xDrive40i
- 34,825 Miles
- O Fallon, MO (0 mi away)
- $5,561 Below market value of $49,461
- 1 Owner, Low annual miles
- Listed 30 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2023 BMW X5 xDrive40i for Sale
34,825 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $43,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Seats | 5 Seats |
| VIN | 5UXCR6C02P9N71656 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, internet radio |
| Mileage | 34,825 mi. |
| Transmission | Automatic |
| Exterior Color | Mineral white metallic |
| MPG | 23 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$44,900
$45,500
GREAT DEAL
2024 Chevrolet Silverado 1500 LTZ
- 25,922 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 10.966453 yrs
- $6,181 Below market value of $51,081
- Listed 63 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 Chevrolet Silverado 1500 LTZ for Sale
25,922 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $44,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1GCUDGED1RZ328174 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 25,922 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$32,500
$32,900
GREAT DEAL
2022 Chevrolet Silverado 1500 Limited RST
- 69,707 Miles
- O Fallon, MO (0 mi away)
- $5,683 Below market value of $38,183
- 1 Owner
- Listed 102 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2022 Chevrolet Silverado 1500 Limited RST for Sale
69,707 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $32,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 1GCUYEEDXNZ195403 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, alloy wheels, satellite radio |
| Mileage | 69,707 mi. |
| Transmission | Automatic |
| Exterior Color | Shadow gray metallic |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$34,900
$35,700
GREAT DEAL
2021 Mercedes-Benz E-Class E 450 4MATIC
- 31,151 Miles
- O Fallon, MO (0 mi away)
- $7,446 Below market value of $42,346
- Low annual miles
- Listed 123 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2021 Mercedes-Benz E-Class E 450 4MATIC for Sale
31,151 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $34,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Seats | 5 Seats |
| VIN | W1KZF5KBXMA887033 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, sunroof |
| Mileage | 31,151 mi. |
| Transmission | Automatic |
| Exterior Color | Obsidian black |
| Interior Color | Black |
| MPG | 26 combined |
| Drivetrain | All-wheel drive |
$28,900
GOOD DEAL
2017 Chevrolet Silverado 1500 LTZ Z71
- 83,708 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 6.7253485 yrs
- $1,377 Below market value of $30,277
- Listed 8 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2017 Chevrolet Silverado 1500 LTZ Z71 for Sale
83,708 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $28,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 6 Seats |
| VIN | 3GCUKSEC9HG414282 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, alloy wheels |
| Mileage | 83,708 mi. |
| Transmission | Automatic |
| Exterior Color | Deep ocean blue metallic |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$26,800
GOOD DEAL
2023 Toyota Tacoma SR
- 63,522 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 14.119077 yrs
- $2,120 Below market value of $28,920
- Listed 6 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2023 Toyota Tacoma SR for Sale
63,522 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $26,800 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3TYAX5GN1PT070682 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, satellite radio, voice recognition |
| Mileage | 63,522 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| MPG | 21 combined |
| Drivetrain | 4X2 |
| Positives | one owner |
$36,900
$37,200
GOOD DEAL
2024 Chevrolet Colorado Trail Boss
- 4,190 Miles
- O Fallon, MO (0 mi away)
- $1,699 Below market value of $38,599
- 1 Owner, Low annual miles
- Listed 49 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 Chevrolet Colorado Trail Boss for Sale
4,190 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $36,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 1GCPTEEK8R1193714 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, alloy wheels |
| Mileage | 4,190 mi. |
| Transmission | Automatic |
| Exterior Color | Sand dune metallic |
| Interior Color | Black |
| MPG | 20 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$69,900
$70,900
GOOD DEAL
2023 Chevrolet Corvette Stingray
- 3,953 Miles
- O Fallon, MO (0 mi away)
- $4,023 Below market value of $73,923
- 1 Owner, Low annual miles
- Listed 69 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2023 Chevrolet Corvette Stingray for Sale
3,953 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $69,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 2 Seats |
| VIN | 1G1YB2D41P5110325 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, navigation, backup camera, leather upholstery, alloy wheels |
| Mileage | 3,953 mi. |
| Transmission | Automatic |
| Exterior Color | Hypersonic gray metallic |
| MPG | 19 combined |
| Drivetrain | Rear-wheel drive |
| Positives | one owner |
$42,300
$42,600
GOOD DEAL
2024 Ford Mustang GT Premium
- 26,597 Miles
- O Fallon, MO (0 mi away)
- $2,858 Below market value of $45,158
- 1 Owner, Low annual miles
- Listed 35 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 Ford Mustang GT Premium for Sale
26,597 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $42,300 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 4 Seats |
| VIN | 1FA6P8CF3R5418644 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, backup camera, leather upholstery, alloy wheels, satellite radio |
| Mileage | 26,597 mi. |
| Transmission | Automatic |
| Exterior Color | Vapor blue metallic |
| Interior Color | Black |
| Drivetrain | Rear-wheel drive |
| Positives | one owner |
$53,500
$53,800
GOOD DEAL
2025 Chevrolet Traverse High Country
- 8,612 Miles
- O Fallon, MO (0 mi away)
- $2,230 Below market value of $55,730
- 1 Owner, Low annual miles
- Listed 30 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2025 Chevrolet Traverse High Country for Sale
8,612 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $53,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 1GNEVKRS5SJ271650 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 8,612 mi. |
| Transmission | Automatic |
| Exterior Color | Mosaic black metallic |
| Interior Color | Black |
| MPG | 21 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$57,300
$57,600
GOOD DEAL
2023 Chevrolet Tahoe Z71
- 43,703 Miles
- O Fallon, MO (0 mi away)
- $4,592 Below market value of $61,892
- 1 Owner
- Listed 46 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2023 Chevrolet Tahoe Z71 for Sale
43,703 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $57,300 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GNSKPKD5PR108087 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 43,703 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
| Positives | one owner |
$46,500
$46,900
GOOD DEAL
2024 Toyota Grand Highlander Limited
- 33,204 Miles
- O Fallon, MO (0 mi away)
- $2,992 Below market value of $49,492
- 1 Owner
- Listed 34 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2024 Toyota Grand Highlander Limited for Sale
33,204 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $46,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | 5TDAAAB58RS017591 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 33,204 mi. |
| Transmission | Automatic |
| Exterior Color | Wind chill pearl |
| Interior Color | Black |
| MPG | 22 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$13,000
$13,900
GOOD DEAL
2017 GMC Terrain SLE-1
- 73,442 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 4.1080046 yrs
- $339 Below market value of $13,339
- Listed 37 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2017 GMC Terrain SLE-1 for Sale
73,442 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $13,000 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 4-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 2GKALMEK6H6349135 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, alloy wheels, satellite radio |
| Mileage | 73,442 mi. |
| Transmission | Automatic |
| Exterior Color | Quicksilver metallic |
| MPG | 25 combined |
| Drivetrain | Front-wheel drive |
$43,500
$43,900
GOOD DEAL
2025 Hyundai Palisade Calligraphy
- 20,269 Miles
- O Fallon, MO (0 mi away)
- $3,982 Below market value of $47,482
- 1 Owner, High annual miles
- Listed 52 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2025 Hyundai Palisade Calligraphy for Sale
20,269 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $43,500 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 6-cylinder |
| Fuel Type | Gas |
| Seats | 7 Seats |
| VIN | KM8R7DGE0SU837379 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, captain's chair, child safety, navigation, backup camera |
| Mileage | 20,269 mi. |
| Transmission | Automatic |
| Exterior Color | Abyss black pearl |
| Interior Color | Black |
| MPG | 21 combined |
| Drivetrain | All-wheel drive |
| Positives | one owner |
$58,200
$58,500
GOOD DEAL
2022 GMC Sierra 2500HD Denali
- 59,169 Miles
- O Fallon, MO (0 mi away)
- $2,161 Below market value of $60,361
- 1 Owner
- Listed 23 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2022 GMC Sierra 2500HD Denali for Sale
59,169 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $58,200 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Diesel |
| Seats | 5 Seats |
| VIN | 1GT49REY1NF276640 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 59,169 mi. |
| Transmission | Automatic |
| Exterior Color | Quicksilver metallic |
| Interior Color | Gray |
| Drivetrain | 4X4 |
| Positives | one owner |
$39,900
$40,500
GOOD DEAL
2019 Chevrolet Silverado 1500 High Country
- 41,553 Miles
- O Fallon, MO (0 mi away)
- Remaining Lifespan: 7.932823 yrs
- $2,636 Below market value of $42,536
- Listed 49 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2019 Chevrolet Silverado 1500 High Country for Sale
41,553 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $39,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 5 Seats |
| VIN | 3GCUYHEL3KG127044 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, navigation, backup camera, leather upholstery |
| Mileage | 41,553 mi. |
| Transmission | Automatic |
| Exterior Color | Black |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
$44,900
$45,500
GOOD DEAL
2021 Chevrolet Tahoe Z71
- 80,518 Miles
- O Fallon, MO (0 mi away)
- $3,562 Below market value of $48,462
- 2 Price Drops in 17 days
- Listed 16 days ago
●
iSeeCars Dealer Score
Additional info close
Used 2021 Chevrolet Tahoe Z71 for Sale
80,518 Miles
O Fallon, MO (0 mi away)
| Category | Used Cars |
| Price | $44,900 |
| For Sale By | dealer |
| iSeeCars Dealer Score | |
| Engine | 8-cylinder |
| Fuel Type | Gas |
| Seats | 8 Seats |
| VIN | 1GNSKPKD5MR259166 |
| Location | O Fallon, MO - 0 mi. |
| Features | bluetooth, child safety, backup camera, leather upholstery, internet radio |
| Mileage | 80,518 mi. |
| Transmission | Automatic |
| Exterior Color | Summit white |
| Interior Color | Black |
| MPG | 17 combined |
| Drivetrain | 4X4 |
Page 1 of 18
Other Nearby Dealers
Used Cars for Sale Insights
Find More Cars For Sale
Explore Models
Ford F-150
Save $26,456 on 22,449 Deals
96,191 Listings from $1,500
96,191 Listings from $1,500
Nissan Altima
Save $6,315 on 6,711 Deals
22,447 Listings from $1,495
22,447 Listings from $1,495
Chevrolet Impala
Save $5,030 on 755 Deals
2,570 Listings from $1,350
2,570 Listings from $1,350
Chevrolet Cruze
Save $4,756 on 1,228 Deals
3,318 Listings from $1,599
3,318 Listings from $1,599
Volkswagen Jetta
Save $5,603 on 3,427 Deals
14,264 Listings from $1,200
14,264 Listings from $1,200
Ford Super Duty F-250
Save $20,106 on 4,532 Deals
28,299 Listings from $2,500
28,299 Listings from $2,500
Honda Odyssey
Save $8,783 on 3,617 Deals
13,220 Listings from $1,500
13,220 Listings from $1,500
Ford Super Duty F-350
Save $21,734 on 2,940 Deals
20,647 Listings from $3,000
20,647 Listings from $3,000
Chevrolet Impala Limited
Save $3,435 on 101 Deals
314 Listings from $3,400
314 Listings from $3,400
Audi A4
Save $6,265 on 1,057 Deals
2,243 Listings from $1,550
2,243 Listings from $1,550