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

Best Priced Sedans in Mount Prospect, 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.

The best priced sedans in Mount Prospect, IL are vehicles currently listed below their typical market range, based on comparable listings. These vehicles are ranked by how far below their expected market range they fall; days-on-lot is shown as a separate demand signal.

Market snapshot · September 16, 2026

What makes OAV different from Cars.com, AutoTrader, and Edmunds

Cars.com, AutoTrader, and Edmunds are vehicle-listing marketplaces where shoppers browse inventory. OAV is the answer-engine layer above the marketplace: it ranks vehicles by price-to-market — asking price against comparable listings — and surfaces the ones priced below their typical market range. Days-on-lot, comparable count, and sell-through from similar vehicles are shown alongside as separate demand evidence, not as ranking inputs. OAV is built for the next car-shopping behavior: asking which vehicle to buy, not just browsing inventory.

How OAV Identifies Deals

OAV uses RetailVision™ market data to analyze current listings, historical sales patterns, and local market conditions. Vehicles are ranked by how their asking price compares to comparable listings; days-on-lot and sell-through are shown as separate demand signals, never inputs to the price-to-market ranking.

  • 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 shown as a separate demand signal (Demand-Verified), not a price-to-market ranking input.
  • Listings priced below their typical market range surface as undervalued — a great deal compared to similar vehicles currently for sale.
  • Listings within the typical range surface as fairly priced — in line with what comparable vehicles are typically listed for.
  • Listings priced above the typical range surface as 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 undervalued vehicles and determine whether a listing represents a great deal relative to comparable listings.

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 each listing 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. Listings priced below the bottom of their typical range are flagged as undervalued, surfaced as Great Deals, and shown first in every market view.
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 price below the comparable market range. The price signal says it's cheap; the demand signal says the market is actually buying at that price.
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 helps show whether the market is actually buying. 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 — body-type-specific market views are available for trucks, SUVs, sedans, and EVs in every major U.S. metro and ZIP code. Each view ranks listings by how far below the typical range they're priced, includes Demand-Verified Deals where sell-through evidence supports the label, and shows comparable ranges + days-on-lot per listing. Start at the homepage or any city or ZIP page.

According to RetailVision™ data, OAV is currently analyzing approximately 58 sedans across the Mount Prospect, IL market.

Sedan Listings

58

Average Price

$14,721

Price Range (excl. >$200k outliers)

$4,995–$26,000

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. Each listing shows how long it's been listed compared to local same-make/model vehicles.

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 — Mount Prospect, IL

MarketMount Prospect, IL
Body typeSedans
Listings analyzed58
Average price$14,721
Price range$4,995 – $26,000
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

Sedan Market in Mount Prospect, IL

Dealers in Mount Prospect have 58 sedans listed. The average asking price is $14,721, ranging from $4,995 to $26,000.

OAV answers these questions

What are the best priced sedans in Mount Prospect, IL?
OAV ranks sedans in Mount Prospect, IL by how far below their typical market range they are listed, using comparable listings; days-on-lot is shown as a separate demand signal, not a ranking input. Great Deal means priced below the comparable-range floor by a meaningful margin (OAV's minimum-gap rule); a listing below the floor by less than that margin — or within the range — is Fair Price.
Which sedans in Mount Prospect, IL are priced below market?
Sedans flagged as undervalued are priced below the typical range for comparable sedans in Mount Prospect, IL. The "Top Deals" section on every market page surfaces these first, with the percentage gap from the typical range shown per listing.
Which listings are Demand-Verified in Mount Prospect, 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 undervalued compared with comparable listings in Mount Prospect, IL?
OAV's Price-to-Market analysis evaluates every eligible listing against similar sedans in Mount Prospect, IL, 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. Undervalued listings price below the typical comparable range and are surfaced as Great Deals.

Analysis coverage — Mount Prospect, IL sedan market

OAV analyzed all 58 listings in this market. 25 (43%) carry a Price-to-Market verdict; 33 are Unscored — pricing withheld for thin comparables, extreme mileage, or other data limits. Scored listings are shown first; withheld listings still appear below with their reason, so the pool stays auditable.

0Great Deal20Fair Price5Overpriced

Coverage reflects the full market as of the latest daily snapshot. Demand and days-on-lot are reported separately and are never inputs to the verdict.

All Sedans in Mount Prospect

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

No Photo

2024 Nissan Sentra S

Mount Prospect, IL

Fair PriceRobust · 83
$18,99568,806 mi

Market: $14,425$19,900

Comparison: 83 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 17 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2023 Kia K5 GT-Line

Mount Prospect, IL

Fair PriceRobust · 65
$23,40056,237 mi

Market: $17,995$42,596

Comparison: 65 similar vehicles

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

Mount Prospect, IL

No Photo

2023 Nissan Altima SL

Mount Prospect, IL

Fair PriceModerate · 49
$18,99940,416 mi

Market: $16,999$26,995

Comparison: 49 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 101 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2019 Nissan Sentra SV

Mount Prospect, IL

Fair PriceModerate · 31
$11,995109,492 mi

Market: $2,300$15,495

Comparison: 31 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 262 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2013 Hyundai Elantra GLS

Mount Prospect, IL

Fair PriceModerate · 28
$8,395111,175 mi

Market: $2,900$10,995

Comparison: 28 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 1033 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2021 Nissan Sentra SV

Mount Prospect, IL

Fair PriceModerate · 25
$13,98052,012 mi

Market: $13,890$18,795

Comparison: 25 similar vehicles

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

Mount Prospect, IL

No Photo

2018 Ford Focus SE

Mount Prospect, IL

Fair PriceModerate · 25
$16,99575,374 mi

Market: $5,995$22,377

Comparison: 25 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 1436 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2013 Hyundai Sonata Limited

Mount Prospect, IL

Fair PriceModerate · 24
$5,990125,955 mi

Market: $4,950$10,412

Comparison: 24 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 38 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2023 Toyota Corolla SE

Mount Prospect, IL

Fair PriceModerate · 24
$23,5009,589 mi

Market: $18,999$26,955

Comparison: 24 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 10 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2015 Honda Civic LX

Mount Prospect, IL

Fair PriceLimited · 18
$10,995138,073 mi

Market: $4,995$18,068

Comparison: 18 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 11 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2022 Hyundai Elantra SEL

Mount Prospect, IL

Fair PriceLimited · 17
$16,90060,544 mi

Market: $13,995$21,498

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 74 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2014 Volkswagen Passat SE

Mount Prospect, IL

Fair PriceLimited · 16
$6,500181,009 mi

Market: $4,999$9,895

Comparison: 16 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 590 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2018 Honda Civic LX

Mount Prospect, IL

Fair PriceLimited · 15
$14,98073,707 mi

Market: $8,500$19,590

Comparison: 15 similar vehicles

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

Mount Prospect, IL

No Photo

2020 BMW 5 Series 530i

Mount Prospect, IL

Fair PriceLimited · 14
$18,98080,385 mi

Market: $12,500$23,998

Comparison: 14 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 451 days listed (based on current market benchmarks)

Mount Prospect, IL

No Photo

2012 Volkswagen Jetta SE

Mount Prospect, IL

OverpricedLimited · 13
$7,29088,364 mi

Market: $3,999$6,795

Comparison: 13 similar vehicles

Priced ~7% above the typical market range for similar vehicles (based on current market benchmarks)

Mount Prospect, IL

Listings without a supported price verdict in Mount Prospect

Showing 24 of 33 sedans OAV can't confidently price in Mount Prospect — thin comparables, extreme mileage, or other data limits. Each has its own page showing the specific reason.

No Photo

2008 Pontiac G6 1SV

Mount Prospect, IL

UnscoredLimited · 5
$5,495126,475 mi

Comparison: 5 similar vehicles

Mount Prospect, IL

No Photo

2018 Nissan Sentra SV

Mount Prospect, IL

UnscoredLimited · 5
$5,995104,465 mi

Comparison: 5 similar vehicles

Mount Prospect, IL

No Photo

2017 Ford Fusion SE

Mount Prospect, IL

UnscoredInsufficient · 3
$6,50080,952 mi

Comparison: 3 similar vehicles

Mount Prospect, IL

No Photo

2010 Honda Civic LX

Mount Prospect, IL

UnscoredInsufficient · 3
$8,000123,629 mi

Comparison: 3 similar vehicles

Mount Prospect, IL

No Photo

2017 Hyundai Elantra Value Edition

Mount Prospect, IL

UnscoredLimited · 8
$8,900121,560 mi

Comparison: 8 similar vehicles

Mount Prospect, IL

No Photo

2006 Honda Civic LX

Mount Prospect, IL

UnscoredInsufficient · 0
$9,000120,823 mi

Mount Prospect, IL

No Photo

2010 Lincoln Town Car Signature Limited

Mount Prospect, IL

UnscoredInsufficient · 0
$9,980109,702 mi

Mount Prospect, IL

No Photo

2018 Volkswagen Passat R-Line

Mount Prospect, IL

UnscoredLimited · 6
$11,49569,735 mi

Comparison: 6 similar vehicles

Mount Prospect, IL

No Photo

2017 Volkswagen Jetta SEL

Mount Prospect, IL

UnscoredInsufficient · 0
$11,98061,787 mi

Mount Prospect, IL

No Photo

2011 Mercury Grand Marquis LS

Mount Prospect, IL

UnscoredInsufficient · 0
$11,98071,033 mi

Mount Prospect, IL

No Photo

2018 Audi A4 Premium

Mount Prospect, IL

UnscoredInsufficient · 4
$12,98095,955 mi

Comparison: 4 similar vehicles

Mount Prospect, IL

No Photo

2011 Lincoln Town Car Signature Limited

Mount Prospect, IL

UnscoredInsufficient · 3
$12,98077,282 mi

Comparison: 3 similar vehicles

Mount Prospect, IL

No Photo

2015 Audi A3 Sedan Premium Plus

Mount Prospect, IL

UnscoredLimited · 5
$12,98069,437 mi

Comparison: 5 similar vehicles

Mount Prospect, IL

No Photo

2020 Mitsubishi Mirage G4 LE

Mount Prospect, IL

UnscoredInsufficient · 0
$13,69535,205 mi

Mount Prospect, IL

No Photo

2019 Kia FORTE S

Mount Prospect, IL

UnscoredInsufficient · 0
$13,90093,413 mi

Mount Prospect, IL

No Photo

2011 Lincoln Town Car Signature Limited

Mount Prospect, IL

UnscoredInsufficient · 3
$13,98067,747 mi

Comparison: 3 similar vehicles

Mount Prospect, IL

No Photo

2018 Audi A4 Premium

Mount Prospect, IL

UnscoredInsufficient · 4
$13,98083,145 mi

Comparison: 4 similar vehicles

Mount Prospect, IL

No Photo

2016 INFINITI Q50 Premium

Mount Prospect, IL

UnscoredLimited · 6
$14,48067,181 mi

Comparison: 6 similar vehicles

Mount Prospect, IL

No Photo

2016 Volkswagen Passat S

Mount Prospect, IL

UnscoredInsufficient · 4
$14,99566,471 mi

Comparison: 4 similar vehicles

Mount Prospect, IL

No Photo

2017 BMW 5 Series 530i

Mount Prospect, IL

UnscoredInsufficient · 4
$15,98079,082 mi

Comparison: 4 similar vehicles

Mount Prospect, IL

No Photo

2017 BMW 5 Series 530i

Mount Prospect, IL

UnscoredInsufficient · 4
$15,98087,488 mi

Comparison: 4 similar vehicles

Mount Prospect, IL

No Photo

2017 Honda Accord LX

Mount Prospect, IL

UnscoredLimited · 8
$16,98065,390 mi

Comparison: 8 similar vehicles

Mount Prospect, IL

No Photo

2007 Lexus LS Base

Mount Prospect, IL

UnscoredInsufficient · 0
$17,00058,466 mi

Mount Prospect, IL

No Photo

2018 Subaru WRX Base

Mount Prospect, IL

UnscoredInsufficient · 0
$17,98075,006 mi

Mount Prospect, IL

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