OAV Dealer Intelligence
O'Fallon Buick GMC inventory in O'Fallon, MO
OAV.io analyzes millions of vehicle listings using RetailVision™ market data to identify vehicles priced below expected market ranges based on year, make, model, trim (when available), and comparable listings.
OAV helps determine if a vehicle is a good deal by comparing its price to similar listings within its supported comparable range. Sell-through is separate Demand-Verified evidence, not part of the price verdict.
Market snapshot · October 22, 2026
OAV evaluates vehicle asking prices against comparable listings when sufficient market evidence is available. Days-on-lot and Demand-Verified sell-through are separate demand signals. Market data is refreshed regularly.
Use this page to
- Compare O'Fallon Buick GMC's prices against the local O'Fallon, MO market.
- Find O'Fallon Buick GMC's lowest-days-on-lot inventory (faster-turning vehicles).
- Track O'Fallon Buick GMC's deal mix (Great Deal / Fair Price / Overpriced) over time.
Listing price distribution
OAV checked 367 current listings at this dealer on October 22, 2026: 0 Great Deal, 17 Fair Price and 1 Overpriced against comparable listings, and 349 Unscored.
OAV's price verdicts apply to individual listings, not dealers. No dealer can pay to change a verdict or its placement.
Figures compare advertised listing prices against OAV's comparable-market range and may not include taxes, registration, or dealer fees.
368 total vehicles listed · 312 new · 56 used
Request availability and out-the-door price
OAV will route your inquiry to O'Fallon Buick GMC for current availability and an out-the-door price quote (taxes, fees, add-ons included). Choose from 368 vehicles in inventory.
OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.
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Vehicles at O'Fallon Buick GMC
OAV found 368 active listings for O'Fallon Buick GMC in O'Fallon, MO (312 new · 56 used). OAV evaluates vehicle asking prices against comparable listings when sufficient market evidence is available. Days-on-lot and Demand-Verified sell-through are separate demand signals. Market data is refreshed regularly.
Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).
According to RetailVision™ data, OAV is currently analyzing approximately 400 vehicles in this dealer's inventory in O'Fallon, MO.
New Inventory
312 new vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
312
Average Price
$56,704
Price Range
$24,609–$111,454
Avg Days on Lot
75
Used Inventory
56 used vehicles · evidence-backed Price-to-Market analysis
Vehicles Listed
56
Average Price
$38,654
Price Range
$10,599–$86,099
Avg Days on Lot
34
Deal Mix· 23 of 56 shown
Great Dealsⓘ
0
0.0% of 23 shown
Fair Priceⓘ
7
30.4% of 23 shown
Overpricedⓘ
0
0.0% of 23 shown
Unscoredⓘ
16
69.6% of 23 shown
Current Inventory (100 of 368)
Sorted by deal quality. Each listing rated by OAV's Price-to-Market analysis.
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Nissan Rogue
O'Fallon, MO
Market: $14,500 – $23,008
Comparison: 84 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)
O'Fallon, MO
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2020 Ford F-150
O'Fallon, MO
Market: $17,500 – $30,995
Comparison: 38 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 45 days listed (based on current market benchmarks)
O'Fallon, MO
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2023 Chevrolet TrailBlazer
O'Fallon, MO
Market: $18,112 – $22,521
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 10 days listed (based on current market benchmarks)
O'Fallon, MO
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2021 GMC Acadia
O'Fallon, MO
Market: $20,899 – $28,279
Comparison: 15 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 8 days listed (based on current market benchmarks)
O'Fallon, MO
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2016 GMC Sierra 1500
O'Fallon, MO
Market: $15,500 – $30,372
Comparison: 11 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 24 days listed (based on current market benchmarks)
O'Fallon, MO
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2023 Jeep Compass
O'Fallon, MO
Market: $21,345 – $25,190
Comparison: 10 similar vehicles
Fairly priced — in line with the typical market range for similar vehicles · 39 days listed (based on current market benchmarks)
O'Fallon, MO
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2025 Subaru Legacy
O'Fallon, MO
Market: $30,400 – $31,790
Comparison: 10 similar vehicles
Fairly priced — priced near the comparable range, but not far enough below it to qualify as a Great Deal · 40 days listed (based on current market benchmarks)
O'Fallon, MO
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2020 Ford Edge
O'Fallon, MO
O'Fallon, MO
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2019 Subaru Forester
O'Fallon, MO
O'Fallon, MO
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2021 Honda Odyssey
O'Fallon, MO
O'Fallon, MO
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2022 Jeep Compass
O'Fallon, MO
O'Fallon, MO
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2023 GMC Acadia
O'Fallon, MO
O'Fallon, MO
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2016 GMC Yukon
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2024 GMC Terrain
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
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2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Encore GX
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2024 Hyundai Santa Cruz
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
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2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2025 Mercedes-Benz GLA
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envista
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 Jeep Wrangler 4-Door
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Terrain
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2022 BMW X5
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Jeep Grand Cherokee
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envision
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 GMC Sierra 1500
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 GMC Sierra 1500
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envision
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Enclave
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Acadia
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2024 GMC Sierra 2500HD
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Canyon
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Envision
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 Buick Enclave
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Acadia
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2023 Cadillac Escalade
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Acadia
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 2500HD
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Sierra 1500
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2027 GMC Yukon XL
O'Fallon, MO
O'Fallon, MO
Image from the dealer's site. OAV does not own, control, or store dealer images.
2026 GMC Yukon
O'Fallon, MO
O'Fallon, MO
Reviews & OAV Score™
Buyer reviews and the composite OAV Score™ for O'Fallon Buick GMC inventory in O'Fallon, MO.
not enough data yet
No published reviews yet.
How this dealer listing is verified
This dealer entry is one of 56,000+ U.S. dealerships tracked by OAV. Inventory counts and pricing statistics shown above are derived from the dealer's publicly advertised vehicle listings, aggregated and standardized using OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477). Individual vehicle VINs in the listings above can be independently verified at the NHTSA VIN decoder.
This page renders OAV's public market summary for this rooftop. Dealers who want this listing removed entirely may email oavsupport@oav.io.