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

Sedans near Fairfield, IL 62837

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 Fairfield, IL 62837 with OAV's Price-to-Market analysis against comparable listings. A verdict appears only where the evidence supports one. These vehicles are grouped by OAV's price verdict in the order Great Deal, Fair Price, Overpriced, then Unscored; within each group they are listed from the lowest asking price upward. Days-on-lot is shown as a separate demand signal and is not a ranking input.

Market snapshot · October 16, 2026

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 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 manage their profile directly and 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™

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.

According to RetailVision™ data, OAV is currently analyzing approximately 300 sedans across the Fairfield, IL 62837 market.

Sedan Listings

254

Average Price

$17,859

Price Range

$2,900–$49,950

Avg Days on Lot

122

Sedan Market near Fairfield, IL 62837

Dealers within 50 miles of Fairfield, IL have 254 sedans listed. The average asking price is $17,859, with prices ranging from $2,900 to $49,950. The average sedan listing stays on dealer lots for 122 days.

OAV answers these questions

What are the best priced sedans in Fairfield, IL 62837?
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 Fairfield, IL 62837 are priced below market?
Sedans in Fairfield, IL 62837 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 Fairfield, IL 62837?
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 Fairfield, IL 62837?
OAV's Price-to-Market analysis compares a listing's asking price against similar sedans in Fairfield, IL 62837, 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.

Sedans market summary — Fairfield, IL 62837

MarketFairfield, IL 62837
Body typeSedans
Listings analyzed254
Average price$17,859
Price range$2,900 – $49,950
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 cadenceDaily

Popular Sedan Makes near 62837

Nissan (64)Chevrolet (54)Toyota (31)Ford (19)Hyundai (16)Kia (15)Dodge (11)Chrysler (6)

Featured Sedans Listings near 62837

2018 Mercedes-Benz C-Class Sedan C300

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

2018 Mercedes-Benz C-Class Sedan C300

Johnston City, IL

Great DealLimited · 16
$10,500115,293 mi

Market: $13,389 – $19,605

Comparison: 16 similar vehicles

Competitively priced ~22% below the typical range compared to similar vehicles · 14 days listed (based on current market benchmarks)

Johnston City, IL

2025 Chevrolet Malibu 1LT

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

2025 Chevrolet Malibu 1LT

Centralia, IL

Great DealLimited · 15
$17,99545,486 mi

Market: $21,035 – $23,376

Comparison: 15 similar vehicles

Competitively priced ~14% below the typical range compared to similar vehicles · 62 days listed (based on current market benchmarks)

Centralia, IL

2014 Ford Focus Titanium

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

2014 Ford Focus Titanium

Princeton, IN

Fair PriceLimited · 11
$4,895117,183 mi

Market: $3,255 – $9,290

Comparison: 11 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 182 days listed (based on current market benchmarks)

Princeton, IN

2015 Chevrolet Sonic LTZ

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

2015 Chevrolet Sonic LTZ

Odin, IL

Fair PriceModerate · 21
$6,250114,862 mi

Market: $4,775 – $13,995

Comparison: 21 similar vehicles

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

Odin, IL

2015 Ford Fiesta SE

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

2015 Ford Fiesta SE

Mount Carmel, IL

Fair PriceLimited · 17
$7,77988,230 mi

Market: $3,300 – $12,495

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 16 days listed (based on current market benchmarks)

Mount Carmel, IL

2012 Chevrolet Cruze LS

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

2012 Chevrolet Cruze LS

Effingham, IL

Fair PriceModerate · 25
$7,990103,204 mi

Market: $2,888 – $9,990

Comparison: 25 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 76 days listed (based on current market benchmarks)

Effingham, IL

2018 Kia FORTE LX

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

2018 Kia FORTE LX

Odin, IL

Fair PriceModerate · 28
$8,495105,483 mi

Market: $5,500 – $15,744

Comparison: 28 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 86 days listed (based on current market benchmarks)

Odin, IL

2015 Chevrolet Cruze LTZ

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

2015 Chevrolet Cruze LTZ

Mount Vernon, IN

Fair PriceModerate · 23
$8,995107,640 mi

Market: $4,700 – $10,387

Comparison: 23 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 161 days listed (based on current market benchmarks)

Mount Vernon, IN

2012 Chevrolet Impala 2FL

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

2012 Chevrolet Impala 2FL

Harrisburg, IL

Fair PriceModerate · 25
$9,495115,857 mi

Market: $3,700 – $10,204

Comparison: 25 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 69 days listed (based on current market benchmarks)

Harrisburg, IL

No Photo

2013 Kia Optima LX

Centralia, IL

Fair PriceModerate · 33
$10,50088,004 mi

Market: $3,257 – $10,995

Comparison: 33 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 19 days listed (based on current market benchmarks)

Centralia, IL

2016 Ford Fusion SE

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

2016 Ford Fusion SE

Mount Carmel, IL

Fair PriceRobust · 107
$10,664107,634 mi

Market: $4,998 – $14,599

Comparison: 107 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 22 days listed (based on current market benchmarks)

Mount Carmel, IL

2019 Ford Fusion SE

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

2019 Ford Fusion SE

Evansville, IN

Fair PriceRobust · 74
$10,990100,042 mi

Market: $5,795 – $16,998

Comparison: 74 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 23 days listed (based on current market benchmarks)

Evansville, IN

2019 Hyundai Elantra SEL

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

2019 Hyundai Elantra SEL

Salem, IL

Fair PriceModerate · 20
$10,99897,160 mi

Market: $7,995 – $14,200

Comparison: 20 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 498 days listed (based on current market benchmarks)

Salem, IL

2019 Kia Optima LX

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

2019 Kia Optima LX

Carmi, IL

Fair PriceModerate · 43
$11,305100,788 mi

Market: $7,048 – $13,500

Comparison: 43 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 192 days listed (based on current market benchmarks)

Carmi, IL

2019 Ford Fusion SE

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

2019 Ford Fusion SE

Mount Vernon, IN

Fair PriceRobust · 56
$11,890100,140 mi

Market: $5,795 – $16,998

Comparison: 56 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 7 days listed (based on current market benchmarks)

Mount Vernon, IN

2023 Kia Rio S

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

2023 Kia Rio S

West Frankfort, IL

Fair PriceModerate · 27
$13,90060,919 mi

Market: $9,995 – $16,495

Comparison: 27 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 35 days listed (based on current market benchmarks)

West Frankfort, IL

2014 Honda Civic LX

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

2014 Honda Civic LX

Mount Carmel, IL

Fair PriceRobust · 55
$13,94379,080 mi

Market: $6,980 – $15,998

Comparison: 55 similar vehicles

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

Mount Carmel, IL

2018 Chevrolet Malibu 1LT

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

2018 Chevrolet Malibu 1LT

Mount Carmel, IL

Fair PriceRobust · 172
$14,19498,852 mi

Market: $5,600 – $17,349

Comparison: 172 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 48 days listed (based on current market benchmarks)

Mount Carmel, IL

2021 Chevrolet Malibu 1LT

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

2021 Chevrolet Malibu 1LT

Centralia, IL

Fair PriceModerate · 40
$14,386102,058 mi

Market: $8,999 – $18,995

Comparison: 40 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 6 days listed (based on current market benchmarks)

Centralia, IL

2020 Nissan Altima SR

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

2020 Nissan Altima SR

Centralia, IL

Fair PriceLimited · 10
$15,660110,412 mi

Market: $9,900 – $18,900

Comparison: 10 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 41 days listed (based on current market benchmarks)

Centralia, IL

2024 Volkswagen Jetta S

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

2024 Volkswagen Jetta S

Centralia, IL

Fair PriceLimited · 15
$16,49562,719 mi

Market: $15,698 – $18,727

Comparison: 15 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 36 days listed (based on current market benchmarks)

Centralia, IL

2024 Chevrolet Malibu 1LT

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

2024 Chevrolet Malibu 1LT

Centralia, IL

Fair PriceRobust · 519
$16,49561,952 mi

Market: $11,999 – $23,412

Comparison: 519 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 62 days listed (based on current market benchmarks)

Centralia, IL

2024 Nissan Versa Sedan S

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

2024 Nissan Versa Sedan S

Vincennes, IN

Fair PriceLimited · 12
$18,14415,301 mi

Market: $17,160 – $19,995

Comparison: 12 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 43 days listed (based on current market benchmarks)

Vincennes, IN

2025 Nissan Sentra SV

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

2025 Nissan Sentra SV

Centralia, IL

Fair PriceRobust · 50
$18,75657,312 mi

Market: $17,245 – $21,250

Comparison: 50 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 58 days listed (based on current market benchmarks)

Centralia, IL

Explore more markets