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

Sedans in Illinois

Explore sedans in Illinois with OAV's Price-to-Market analysis against comparable listings. A verdict appears only where the evidence supports one. These vehicles are listed from the lowest asking price upward; each carries its own price verdict or is marked Unscored, and days-on-lot is shown as a separate demand signal, not a ranking input.

Market snapshot · October 6, 2026 · refresh delayed · 2 days ago

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.

According to RetailVision™ data, OAV is currently analyzing approximately 35,000 sedans across the Illinois market.

Total sedans

34,915

Average Price

$31,597

Price Range

$3,000–$550,154

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™

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.

Sedans market summary — Illinois

MarketIllinois
Body typeSedans
Listings analyzed34,915
Average price$31,597
Price range$3,000 – $550,154
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

Cheapest Great Deals on Sedans in Illinois

Lowest-priced listings flagged as Great Deal by OAV's Price-to-Market analysis.

OAV answers these questions

What are the best priced Sedans in Illinois?
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 Illinois are priced below market?
Sedans in Illinois 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 Illinois?
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 Illinois?
OAV's Price-to-Market analysis compares a listing's asking price against similar Sedans in Illinois, using year, make, model, geography, and available configuration attributes, with trim/configuration matching applied where sufficient comparable data supports it, and mileage is not used to select comparables or adjust comparable prices, but acts as a reliability check on used vehicles — OAV withholds a verdict when mileage is very high or unreliable, or when a lower price is better explained by higher-than-typical mileage than by a genuine market discount. 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.

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, and mileage is not used to select comparables or adjust comparable prices, but acts as a reliability check on used vehicles — OAV withholds a verdict when mileage is very high or unreliable, or when a lower price is better explained by higher-than-typical mileage than by a genuine market discount — to compute a price-to-market range. 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.

Explore more markets

All Sedans in Illinois

Showing the 24 best-priced sedans from 34,915 active listings.

2009 INFINITI G Sedan

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

2009 INFINITI G Sedan

Frankfort, IL

UnscoredInsufficient · 0
$3,000166,789 mi

Frankfort, IL

2015 Chevrolet Malibu

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

2015 Chevrolet Malibu

Rockford, IL

Fair PriceModerate · 22
$3,000182,792 mi

Market: $1,995 – $11,990

Comparison: 22 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 3 days listed (based on current market benchmarks)

Rockford, IL

2008 Chrysler Sebring

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

2008 Chrysler Sebring

Loves Park, IL

Fair PriceLimited · 11
$3,000138,200 mi

Market: $2,876 – $4,995

Comparison: 11 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 51 days listed (based on current market benchmarks)

Loves Park, IL

2015 Chevrolet Cruze

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

2015 Chevrolet Cruze

Chicago, IL

UnscoredModerate · 23
$3,084150,000 mi

Comparison: 23 similar vehicles

Chicago, IL

2003 Volkswagen Passat

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

2003 Volkswagen Passat

McLean, IL

UnscoredInsufficient · 0
$3,100161,000 mi

McLean, IL

2014 Chevrolet Cruze

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

2014 Chevrolet Cruze

Morton Grove, IL

Great DealModerate · 22
$3,20094,753 mi

Market: $3,850 – $7,990

Comparison: 22 similar vehicles

Competitively priced ~17% below the typical range compared to similar vehicles · 210 days listed (based on current market benchmarks)

Morton Grove, IL

2001 Toyota Prius

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

2001 Toyota Prius

McLean, IL

UnscoredInsufficient · 0
$3,200161,000 mi

McLean, IL

2002 Mercedes-Benz E-Class

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

2002 Mercedes-Benz E-Class

Markham, IL

UnscoredInsufficient · 0
$3,20079,271 mi

Markham, IL

2003 Buick Century

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

2003 Buick Century

Harvey, IL

UnscoredLimited · 7
$3,20079,300 mi

Comparison: 7 similar vehicles

Harvey, IL

2003 Hyundai Accent

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

2003 Hyundai Accent

McLean, IL

UnscoredInsufficient · 0
$3,200127,000 mi

McLean, IL

2004 Volkswagen Passat

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

2004 Volkswagen Passat

McLean, IL

UnscoredLimited · 17
$3,200122,000 mi

Comparison: 17 similar vehicles

McLean, IL

2005 Chevrolet Impala

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

2005 Chevrolet Impala

McLean, IL

UnscoredInsufficient · 0
$3,200151,000 mi

McLean, IL

2005 Hyundai Sonata

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

2005 Hyundai Sonata

McLean, IL

UnscoredInsufficient · 0
$3,200161,210 mi

McLean, IL

2011 Chevrolet Malibu

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

2011 Chevrolet Malibu

Loves Park, IL

Fair PriceModerate · 23
$3,200121,145 mi

Market: $2,750 – $6,895

Comparison: 23 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 5 days listed (based on current market benchmarks)

Loves Park, IL

2012 Chrysler 200

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

2012 Chrysler 200

Armington, IL

UnscoredModerate · 34
$3,249188,610 mi

Comparison: 34 similar vehicles

Armington, IL

2006 Mercedes-Benz S-Class

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

2006 Mercedes-Benz S-Class

Naperville, IL

UnscoredInsufficient · 0
$3,250166,839 mi

Naperville, IL

2012 Chrysler 200

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

2012 Chrysler 200

Naperville, IL

UnscoredLimited · 10
$3,250154,665 mi

Comparison: 10 similar vehicles

Naperville, IL

2007 Mercury Milan

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

2007 Mercury Milan

Galesburg, IL

UnscoredInsufficient · 0
$3,263161,476 mi

Galesburg, IL

2010 Mazda MAZDA3

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

2010 Mazda MAZDA3

Villa Park, IL

UnscoredLimited · 10
$3,289183,583 mi

Comparison: 10 similar vehicles

Villa Park, IL

2003 Saturn ION

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

2003 Saturn ION

McLean, IL

UnscoredInsufficient · 0
$3,30091,241 mi

McLean, IL

2004 Volkswagen Passat

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

2004 Volkswagen Passat

McLean, IL

Fair PriceLimited · 17
$3,300124,000 mi

Market: $3,200 – $4,248

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 1455 days listed (based on current market benchmarks)

McLean, IL

2006 Volkswagen Jetta

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

2006 Volkswagen Jetta

Addison, IL

UnscoredInsufficient · 0
$3,300187,735 mi

Addison, IL

2008 Nissan Sentra

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

2008 Nissan Sentra

Loves Park, IL

UnscoredInsufficient · 0
$3,300126,185 mi

Loves Park, IL

2008 Pontiac G6

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

2008 Pontiac G6

Loves Park, IL

UnscoredLimited · 9
$3,300135,317 mi

Comparison: 9 similar vehicles

Loves Park, IL

Other vehicle markets in Illinois