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U.S. Patent No. 12,236,477 — Patented Automotive Data Standardization Technology
OAV

Sedans in O'Fallon, IL

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.

Explore sedans in O'Fallon, IL with OAV's Price-to-Market analysis against comparable listings. A verdict appears only where the evidence supports one.

Market snapshot · November 3, 2026 · refresh delayed · 2 days ago

How OAV Identifies Deals

OAV builds a comparable range for each vehicle from regularly refreshed dealer-advertised listings — same make, model and year range, trim where the data supports it. Where the evidence supports a verdict, a vehicle is rated by how its asking price compares to that range; days-on-lot and sell-through are separate demand signals, never inputs to the Price-to-Market verdict. When OAV evaluates a listing but the evidence does not support a verdict, the listing is Unscored.

  • Millions of retail comparables across U.S. markets.
  • Vehicles compared on year, make, model, and trim (when available).
  • Real price-to-market ranges from regularly refreshed market data.
  • Days-on-lot is a separate demand signal, never an input to the Price-to-Market verdict.
  • Listings priced below the comparable-range floor by at least OAV's minimum-gap margin surface as Great Deal — a great deal compared to similar vehicles currently for sale.
  • Listings priced within the comparable range, or below the floor by less than that margin surface as Fair Price — fairly priced, in line with what comparable vehicles are typically listed for.
  • Listings priced above the comparable range surface as Overpriced — above market, higher than what comparable vehicles are typically listed for.
  • Dealer business information is public on every profile. OAV-claimed dealers route inquiries through OAV.

This helps identify which listings are a great deal relative to comparable vehicles — OAV's Great Deal verdict — and shows the evidence behind every rating.

Powered by OAV's patented vehicle market standardization technology (U.S. Patent No. 12,236,477).

Learn how OAV identifies Demand-Verified Deals™

According to RetailVision™ data, OAV is currently analyzing approximately 200 sedans across the O'Fallon, IL market.

Sedan Listings

213

Average Price

$30,097

Price Range (excl. >$200k outliers)

$5,714–$113,983

Average price and price range exclude listings priced above $200,000 to keep placeholder / upfit outliers out of the reported market range; the sedan listings count includes them.

Shop sedans by budget

About the sedan market

Sedans benefit from a structural pricing advantage in the used market because new-car demand has shifted toward SUVs — the same model-year Camry, Accord, Civic, or Corolla typically lists below an equivalently equipped CR-V or RAV4. Hybrid sedan trims (Camry Hybrid, Accord Hybrid, Sonata Hybrid) carry a ~$2-3k premium that pays back over typical hold periods via fuel savings. Premium and sport-trim sedans (Camry XSE, Accord Touring, Civic Si, Mazda3 Turbo) sell faster than base trims when priced competitively.

Sedans market summary — O'Fallon, IL

MarketO'Fallon, IL
Body typeSedans
Listings analyzed213
Average price$30,097
Price range$5,714 – $113,983
Price-to-Market basisAsking price vs comparable listings (same make/model, year window, trim where available). Days-on-lot and sell-through are separate demand signals, not verdict inputs.
Refresh cadenceRefresh delayed · 2 days ago

Sedan Market in O'Fallon, IL

Dealers in O'Fallon have 213 sedans listed. The average asking price is $30,097, ranging from $5,714 to $113,983.

OAV answers these questions

What are the best priced sedans in O'Fallon, IL?
OAV orders sedans in O'Fallon, IL by price verdict — Great Deal first — and, within each group, by comparable-evidence depth and then price; days-on-lot is shown as a separate demand signal, not a ranking input. Great Deal means priced below the comparable-range floor by at least OAV's minimum-gap margin; Fair Price means priced within the comparable range, or below the floor by less than that margin.
Which sedans in O'Fallon, IL are priced below market?
Sedans in O'Fallon, IL rated Great Deal are priced below the comparable-range floor by at least OAV's minimum-gap margin. Each one links to its vehicle page.
Which listings are Demand-Verified in O'Fallon, IL?
A listing is Demand-Verified when the matched sold cohort of similar vehicles is moving faster than its market baseline, the cohort meets minimum-sample and freshness requirements, and this specific listing has not aged beyond the cohort's typical selling window. It is sell-through evidence about demand, and is separate from OAV's price-to-market verdict.
Which sedans are priced below comparable listings in O'Fallon, IL?
OAV's Price-to-Market analysis compares a listing's asking price against similar sedans in O'Fallon, IL, using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it. Mileage is never used to select comparables or adjust their prices. OAV withholds a verdict when mileage looks unreliable, or when higher-than-typical mileage, not a market discount, better explains a lower price. Over 120,000 miles, OAV still publishes Overpriced but withholds Great Deal and Fair Price: comparable cars usually have fewer miles, which can make those two verdicts misleading. Where OAV publishes a verdict, a listing priced below the comparable-range floor by at least OAV's minimum-gap margin is rated Great Deal; one priced within the comparable range, or below the floor by less than that margin, is Fair Price.

Analysis coverage — O'Fallon, IL sedan market

213 listings analyzed in this market — the top 71 are shown below. Of those 71, 1 (1%) are withheld from ranked recommendation — a withheld listing's vehicle page gives the reason. Confident verdicts get more visual weight; withheld listings still appear so the pool is auditable.

70
Scored
confident price-to-market verdict
0
Below range
priced under the supported comparable range but with limited comparable depth
1
Withheld
insufficient comparables, missing data, or thin cohort

These counts describe the 71 listings shown on this page, not the full 213 analyzed.

All Sedans in O'Fallon

15 confidently-priced sedans shown first — listings we can't price appear below.

2026 Honda Accord SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Honda Accord SE

O'Fallon, IL

Listed by Serra Honda O'Fallon

Fair PriceRobust · 212
$32,59112 mi

Market: $29,510 – $33,065

Comparison: 212 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 53 days listed (based on current market benchmarks)

O'Fallon, IL

2026 Honda Accord SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Honda Accord SE

O'Fallon, IL

Listed by Serra Honda O'Fallon

Fair PriceRobust · 212
$32,59112 mi

Market: $29,510 – $33,065

Comparison: 212 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 18 days listed (based on current market benchmarks)

O'Fallon, IL

2026 Honda Accord SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Honda Accord SE

O'Fallon, IL

Listed by Serra Honda O'Fallon

Fair PriceRobust · 212
$32,59112 mi

Market: $29,510 – $33,065

Comparison: 212 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 21 days listed (based on current market benchmarks)

O'Fallon, IL

2027 Toyota Camry SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2027 Toyota Camry SE

O'Fallon, IL

Listed by Newbold Toyota

Fair PriceRobust · 123
$31,860Mileage not verified

Market: $31,470 – $41,820

Comparison: 123 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 29 days listed (based on current market benchmarks)

O'Fallon, IL

2027 Toyota Camry SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2027 Toyota Camry SE

O'Fallon, IL

Listed by Newbold Toyota

Fair PriceRobust · 123
$33,693Mileage not verified

Market: $31,470 – $41,820

Comparison: 123 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 18 days listed (based on current market benchmarks)

O'Fallon, IL

2027 Toyota Camry SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2027 Toyota Camry SE

O'Fallon, IL

Listed by Newbold Toyota

Fair PriceRobust · 123
$33,705Mileage not verified

Market: $31,470 – $41,820

Comparison: 123 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 15 days listed (based on current market benchmarks)

O'Fallon, IL

2026 Volkswagen Jetta Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Volkswagen Jetta Sport

O'fallon, IL

Listed by Auffenberg Ford North

Fair PriceRobust · 91
$23,1825,861 mi

Market: $23,182 – $27,178

Comparison: 91 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 25 days listed (based on current market benchmarks)

O'fallon, IL

2026 Volkswagen Jetta Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Volkswagen Jetta Sport

O'fallon, IL

Listed by Auffenberg Ford North

Fair PriceRobust · 91
$23,1828,335 mi

Market: $23,182 – $27,178

Comparison: 91 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 25 days listed (based on current market benchmarks)

O'fallon, IL

2026 Volkswagen Jetta Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Volkswagen Jetta Sport

O'fallon, IL

Listed by Auffenberg Ford North

Fair PriceRobust · 91
$23,5126,714 mi

Market: $23,182 – $27,178

Comparison: 91 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 25 days listed (based on current market benchmarks)

O'fallon, IL

2024 Chevrolet Malibu 1LT

Image from the dealer's site. OAV does not own, control, or store dealer images.

2024 Chevrolet Malibu 1LT

O'Fallon, IL

Listed by Jack Schmitt Chevrolet of O'Fallon

Fair PriceRobust · 72
$17,44068,960 mi

Market: $13,500 – $22,634

Comparison: 72 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 13 days listed (based on current market benchmarks)

O'Fallon, IL

2026 Toyota Corolla LE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Toyota Corolla LE

O'Fallon, IL

Listed by Carmax O'Fallon

Fair PriceRobust · 54
$22,99815,335 mi

Market: $20,675 – $26,950

Comparison: 54 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 27 days listed (based on current market benchmarks)

O'Fallon, IL

2026 Toyota Corolla LE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 Toyota Corolla LE

O'Fallon, IL

Listed by Carmax O'Fallon

Fair PriceRobust · 54
$22,99814,863 mi

Market: $20,675 – $26,950

Comparison: 54 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 25 days listed (based on current market benchmarks)

O'Fallon, IL

2025 Toyota Corolla LE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2025 Toyota Corolla LE

O'Fallon, IL

Listed by Carmax O'Fallon

Fair PriceModerate · 47
$20,99844,049 mi

Market: $19,318 – $24,259

Comparison: 47 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 42 days listed (based on current market benchmarks)

O'Fallon, IL

2026 BMW 3 Series 330i

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 BMW 3 Series 330i

O'Fallon, IL

Listed by Newbold BMW

Fair PriceModerate · 35
$56,443Mileage not verified

Market: $52,383 – $63,614

Comparison: 35 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 125 days listed (based on current market benchmarks)

O'Fallon, IL

2026 BMW 3 Series 330i

Image from the dealer's site. OAV does not own, control, or store dealer images.

2026 BMW 3 Series 330i

O'Fallon, IL

Listed by Newbold BMW

Fair PriceModerate · 35
$57,518Mileage not verified

Market: $52,383 – $63,614

Comparison: 35 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 30 days listed (based on current market benchmarks)

O'Fallon, IL

Listings without a supported price verdict in O'Fallon

These sedans are shown for completeness, but OAV is withholding a Price-to-Market verdict — thin comparables, extreme mileage, a branded or salvage title, or other data limits. Each card shows why it's withheld.

2010 Honda Accord EX-L

Image from the dealer's site. OAV does not own, control, or store dealer images.

2010 Honda Accord EX-L

O'Fallon, IL

Unscored
$7,357277,911 mi

Comparison: 5 similar vehicles

O'Fallon, IL

2012 Volkswagen Passat SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Volkswagen Passat SE

O'Fallon, IL

UnscoredInsufficient · 3
$7,379146,239 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2013 Ford Fusion SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2013 Ford Fusion SE

O'fallon, IL

Unscored
$7,946121,926 mi

Comparison: 10 similar vehicles

O'fallon, IL

2012 Honda Civic LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2012 Honda Civic LX

O'Fallon, IL

Unscored
$8,957213,913 mi

Comparison: 7 similar vehicles

O'Fallon, IL

2015 Honda Civic LX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Honda Civic LX

O'Fallon, IL

UnscoredInsufficient · 3
$9,779159,667 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2014 Subaru Legacy 2.5i Sport

Image from the dealer's site. OAV does not own, control, or store dealer images.

2014 Subaru Legacy 2.5i Sport

O'Fallon, IL

UnscoredInsufficient · 0
$10,408109,565 mi

O'Fallon, IL

2010 Toyota Corolla LE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2010 Toyota Corolla LE

O'Fallon, IL

Unscored
$10,545129,948 mi

Comparison: 6 similar vehicles

O'Fallon, IL

2013 Lexus IS 250

Image from the dealer's site. OAV does not own, control, or store dealer images.

2013 Lexus IS 250

O'fallon, IL

UnscoredInsufficient · 0
$10,746155,635 mi

O'fallon, IL

2016 Toyota Camry XLE Hybrid

Image from the dealer's site. OAV does not own, control, or store dealer images.

2016 Toyota Camry XLE Hybrid

O'Fallon, IL

UnscoredInsufficient · 0
$11,213209,559 mi

O'Fallon, IL

2018 Hyundai Sonata SEL

Image from the dealer's site. OAV does not own, control, or store dealer images.

2018 Hyundai Sonata SEL

O'Fallon, IL

UnscoredInsufficient · 3
$11,413110,660 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2019 Ford Fusion SEL

Image from the dealer's site. OAV does not own, control, or store dealer images.

2019 Ford Fusion SEL

O'Fallon, IL

UnscoredInsufficient · 3
$12,71394,932 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2014 Audi A4 Premium

Image from the dealer's site. OAV does not own, control, or store dealer images.

2014 Audi A4 Premium

O'Fallon, IL

Unscored
$12,937113,274 mi

Comparison: 8 similar vehicles

O'Fallon, IL

2016 Chevrolet Impala 2LZ

Image from the dealer's site. OAV does not own, control, or store dealer images.

2016 Chevrolet Impala 2LZ

O'Fallon, IL

Unscored
$13,779122,235 mi

Comparison: 8 similar vehicles

O'Fallon, IL

2016 Volkswagen Jetta S

Image from the dealer's site. OAV does not own, control, or store dealer images.

2016 Volkswagen Jetta S

O'Fallon, IL

UnscoredInsufficient · 3
$13,99870,454 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2015 Subaru Impreza Premium

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Subaru Impreza Premium

O'Fallon, IL

UnscoredInsufficient · 0
$14,99872,685 mi

O'Fallon, IL

2020 Chevrolet Malibu 1LS

Image from the dealer's site. OAV does not own, control, or store dealer images.

2020 Chevrolet Malibu 1LS

O'Fallon, IL

UnscoredInsufficient · 3
$15,110100,892 mi

Comparison: 3 similar vehicles

O'Fallon, IL

2017 Toyota Corolla LE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2017 Toyota Corolla LE

O'Fallon, IL

Unscored
$15,998125,089 mi

Comparison: 7 similar vehicles

O'Fallon, IL

2017 Chevrolet Impala Premier

Image from the dealer's site. OAV does not own, control, or store dealer images.

2017 Chevrolet Impala Premier

O'Fallon, IL

UnscoredInsufficient · 4
$16,37995,459 mi

Comparison: 4 similar vehicles

O'Fallon, IL

2024 Volkswagen Jetta SE

Image from the dealer's site. OAV does not own, control, or store dealer images.

2024 Volkswagen Jetta SE

O'Fallon, IL

Unscored
$16,78661,250 mi

Comparison: 9 similar vehicles

O'Fallon, IL

2015 Honda Civic EX-L

Image from the dealer's site. OAV does not own, control, or store dealer images.

2015 Honda Civic EX-L

O'Fallon, IL

Unscored
$17,179109,180 mi

Comparison: 7 similar vehicles

O'Fallon, IL

2022 Nissan Sentra SV

Image from the dealer's site. OAV does not own, control, or store dealer images.

2022 Nissan Sentra SV

O'Fallon, IL

Unscored
$17,27995,992 mi

Comparison: 15 similar vehicles

O'Fallon, IL

2020 Honda Civic EX

Image from the dealer's site. OAV does not own, control, or store dealer images.

2020 Honda Civic EX

O'Fallon, IL

Unscored
$18,279112,587 mi

Comparison: 8 similar vehicles

O'Fallon, IL

2014 Lexus IS 250

Image from the dealer's site. OAV does not own, control, or store dealer images.

2014 Lexus IS 250

O'Fallon, IL

Unscored
$18,379113,014 mi

Comparison: 5 similar vehicles

O'Fallon, IL

2018 Honda Accord Hybrid EX-L

Image from the dealer's site. OAV does not own, control, or store dealer images.

2018 Honda Accord Hybrid EX-L

O'Fallon, IL

Unscored
$18,679117,303 mi

Comparison: 6 similar vehicles

O'Fallon, IL

What makes OAV different from traditional car-listing sites

Traditional vehicle-listing marketplaces are built for shoppers to browse inventory. OAV is the answer-engine layer above the marketplace: it evaluates vehicle asking prices with Price-to-Market against comparable listings and shows the market evidence behind each verdict. Days-on-lot and sell-through from similar vehicles are separate demand evidence, never inputs to the Price-to-Market verdict. OAV is built for the next car-shopping behavior: asking which vehicle to buy, not just browsing inventory.

How OAV.io compares with other car-pricing sites

How OAV works — common questions

How does OAV find cars priced below market?
OAV compares a listing's asking price against similar vehicles currently for sale — using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it — to compute a price-to-market range. Mileage is never used to select comparables or adjust their prices. OAV withholds a verdict when mileage looks unreliable, or when higher-than-typical mileage, not a market discount, better explains a lower price. Over 120,000 miles, OAV still publishes Overpriced but withholds Great Deal and Fair Price: comparable cars usually have fewer miles, which can make those two verdicts misleading. Where OAV publishes a verdict, a listing priced below the comparable-range floor by at least OAV's minimum-gap margin is rated Great Deal; one priced within the comparable range, or below the floor by less than that margin, is Fair Price.
What makes a Demand-Verified Deal different from a cheap listing?
A cheap listing is just priced low. The Demand-Verified badge is sell-through evidence: the listing's similar-vehicle sold cohort is moving faster than its market baseline, and this listing hasn't aged beyond that cohort's typical selling window — it is separate from OAV's price verdict. A Demand-Verified Deal combines both: the Demand-Verified badge AND a Great Deal verdict from Price-to-Market (priced below the comparable-range floor by at least OAV's minimum-gap margin). The price verdict establishes where the asking price sits relative to OAV's supported comparable range. The Demand-Verified signal measures whether the matched sold cohort is moving faster than its market baseline and whether this listing remains within that cohort's typical selling window — it does not show that buyers are paying this listing's asking price. While OAV re-validates the sell-through claim, the badge is withheld on every listing and no Demand-Verified Deals are being labeled.
Does OAV use local market comparables?
Yes — local-first. OAV starts with comparable retail listings in the same metro and broader region, and widens the comparison set only when local inventory is too thin to support a reliable range. A truck in Dallas is compared against Dallas-area trucks where the local market supports it; an EV in Los Angeles against LA-area EVs. This local-first approach makes the price-to-market math meaningful.
Why does days-on-lot matter when shopping for used cars?
How long a vehicle sits is a demand signal about its cohort, not proof that buyers are paying this listing's price. OAV compares a listing's days-on-lot to the sold cohort of similar vehicles: when comparable vehicles have been selling quickly and this listing is still within that cohort's typical selling window, it corroborates real demand. A listing sitting far longer than its cohort typically takes to sell is the opposite signal — worth confirming its history, condition, and price before assuming it's a deal.
Can OAV help find trucks, SUVs, or EVs priced below market?
Yes — OAV has body-type market views for trucks, SUVs, sedans and EVs in major U.S. metros and ZIP codes. Each listing links to its vehicle page. Start at the homepage or any city or ZIP page.

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