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

Coupes near Carthage, IL 62321

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 coupes in Carthage, IL 62321 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 · November 10, 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 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 cohort of similar vehicles whose listings recently came off the market is leaving the market faster than its market baseline, and this listing hasn't been listed longer than that cohort's typical time on market — 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 cohort's listings are coming off the market faster than its market baseline and whether this listing has been listed longer than that cohort's typical time on market — 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 how long listings for similar vehicles stayed on the market before coming off it (not always a sale): when those listings have been coming off the market quickly and this listing has not been listed longer than is typical, it corroborates real demand. A listing sitting far longer than its cohort's typical time on market 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 62 coupes across the Carthage, IL 62321 market.

Coupe Listings

62

Average Price

$43,746

Price Range

$6,499–$185,085

Avg Days on Lot

125

Coupe Market near Carthage, IL 62321

Dealers within 50 miles of Carthage, IL have 62 coupes listed. The average asking price is $43,746, with prices ranging from $6,499 to $185,085. The average coupe listing stays on dealer lots for 125 days.

OAV answers these questions

What are the best priced coupes in Carthage, IL 62321?
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 coupes in Carthage, IL 62321 are priced below market?
Coupes in Carthage, IL 62321 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 Carthage, IL 62321?
A listing is Demand-Verified when the matched cohort of similar vehicles whose listings recently came off the market is leaving the market faster than its market baseline, the cohort meets minimum-sample and freshness requirements, and this specific listing has not been listed longer than the cohort's typical time on market. It is sell-through evidence about demand, and is separate from OAV's price-to-market verdict.
Which coupes are priced below comparable listings in Carthage, IL 62321?
OAV's Price-to-Market analysis compares a listing's asking price against similar coupes in Carthage, IL 62321, 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.

Coupes market summary — Carthage, IL 62321

MarketCarthage, IL 62321
Body typeCoupes
Listings analyzed62
Average price$43,746
Price range$6,499 – $185,085
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 Coupe Makes near 62321

Chevrolet (19)Ford (19)Dodge (8)Toyota (4)Lexus (3)Subaru (2)Porsche (2)Kia (1)

Featured Coupes Listings near 62321

2027 Chevrolet Corvette 3LT

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

2027 Chevrolet Corvette 3LT

Quincy, IL

Great DealModerate · 44
$93,8601 mi

Market: $96,515 – $136,585

Comparison: 44 similar vehicles

Competitively priced ~3% below the typical range compared to similar vehicles · 80 days listed (based on current market benchmarks)

Quincy, IL

2015 Chevrolet Camaro 1LT

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

2015 Chevrolet Camaro 1LT

Quincy, IL

Fair PriceModerate · 22
$12,873115,061 mi

Market: $11,200 – $17,403

Comparison: 22 similar vehicles

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

Quincy, IL

2015 Dodge Challenger SXT

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

2015 Dodge Challenger SXT

Macomb, IL

Fair PriceLimited · 15
$17,58174,811 mi

Market: $10,495 – $22,595

Comparison: 15 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 20 days listed (based on current market benchmarks)

Macomb, IL

2017 Dodge Challenger R/T Plus

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

2017 Dodge Challenger R/T Plus

Quincy, IL

Fair PriceLimited · 11
$27,98079,093 mi

Market: $21,123 – $28,400

Comparison: 11 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 20 days listed (based on current market benchmarks)

Quincy, IL

2024 Ford Mustang EcoBoost

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

2024 Ford Mustang EcoBoost

Quincy, IL

Fair PriceLimited · 12
$28,42031,969 mi

Market: $25,099 – $32,138

Comparison: 12 similar vehicles

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

Quincy, IL

2027 Toyota GR86 Premium

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

2027 Toyota GR86 Premium

Quincy, IL

Fair PriceModerate · 37
$37,5743 mi

Market: $36,004 – $43,799

Comparison: 37 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 12 days listed (based on current market benchmarks)

Quincy, IL

2026 Ford Mustang EcoBoost

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

2026 Ford Mustang EcoBoost

Quincy, IL

Fair PriceModerate · 41
$37,610Mileage not verified

Market: $30,455 – $43,615

Comparison: 41 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 381 days listed (based on current market benchmarks)

Quincy, IL

2027 Toyota GR86 Premium

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

2027 Toyota GR86 Premium

Quincy, IL

Fair PriceModerate · 37
$38,049Mileage not verified

Market: $36,004 – $43,799

Comparison: 37 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 2 days listed (based on current market benchmarks)

Quincy, IL

2018 Ford Mustang GT Premium

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

2018 Ford Mustang GT Premium

West Burlington, IA

Fair PriceLimited · 18
$39,93811,560 mi

Market: $33,477 – $52,367

Comparison: 18 similar vehicles

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

West Burlington, IA

2026 Ford Mustang EcoBoost Premium

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

2026 Ford Mustang EcoBoost Premium

Quincy, IL

Fair PriceLimited · 17
$42,380Mileage not verified

Market: $35,406 – $49,720

Comparison: 17 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 411 days listed (based on current market benchmarks)

Quincy, IL

2024 Ford Mustang GT Premium

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

2024 Ford Mustang GT Premium

Quincy, IL

Fair PriceModerate · 23
$44,92018,788 mi

Market: $41,962 – $47,874

Comparison: 23 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 226 days listed (based on current market benchmarks)

Quincy, IL

2024 Ford Mustang GT Premium

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

2024 Ford Mustang GT Premium

Quincy, IL

Fair PriceLimited · 12
$45,42027,705 mi

Market: $41,898 – $46,887

Comparison: 12 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 139 days listed (based on current market benchmarks)

Quincy, IL

2026 Ford Mustang EcoBoost Premium

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

2026 Ford Mustang EcoBoost Premium

Fort Madison, IA

Fair PriceLimited · 19
$45,699Mileage not verified

Market: $35,406 – $59,120

Comparison: 19 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 9 days listed (based on current market benchmarks)

Fort Madison, IA

2026 Ford Mustang GT Premium

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

2026 Ford Mustang GT Premium

Quincy, IL

Fair PriceModerate · 39
$61,410Mileage not verified

Market: $55,825 – $177,467

Comparison: 39 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 54 days listed (based on current market benchmarks)

Quincy, IL

2021 Chevrolet Corvette 2LT

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

2021 Chevrolet Corvette 2LT

West Burlington, IA

Fair PriceLimited · 12
$63,14811,944 mi

Market: $61,412 – $65,468

Comparison: 12 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 90 days listed (based on current market benchmarks)

West Burlington, IA

2023 Chevrolet Corvette 2LT

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

2023 Chevrolet Corvette 2LT

Quincy, IL

Fair PriceModerate · 25
$66,9903,454 mi

Market: $59,286 – $72,500

Comparison: 25 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 68 days listed (based on current market benchmarks)

Quincy, IL

2023 Dodge Challenger SRT

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

2023 Dodge Challenger SRT

Quincy, IL

Fair PriceModerate · 28
$68,3835,942 mi

Market: $63,362 – $142,407

Comparison: 28 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 213 days listed (based on current market benchmarks)

Quincy, IL

2026 Chevrolet Corvette 2LT

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

2026 Chevrolet Corvette 2LT

Quincy, IL

Fair PriceLimited · 16
$90,5554 mi

Market: $79,279 – $105,590

Comparison: 16 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 126 days listed (based on current market benchmarks)

Quincy, IL

2024 Chevrolet Corvette 3LZ

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

2024 Chevrolet Corvette 3LZ

Quincy, IL

Fair PriceModerate · 29
$118,000488 mi

Market: $109,995 – $120,594

Comparison: 29 similar vehicles

Fairly priced — in line with the typical market range for similar vehicles · 59 days listed (based on current market benchmarks)

Quincy, IL

2026 Ford Mustang Dark Horse

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

2026 Ford Mustang Dark Horse

Fort Madison, IA

Fair PriceModerate · 28
$118,580Mileage not verified

Market: $68,569 – $154,585

Comparison: 28 similar vehicles

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

Fort Madison, IA

2024 Ford Mustang EcoBoost

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

2024 Ford Mustang EcoBoost

Macomb, IL

OverpricedLimited · 10
$34,31013,312 mi

Market: $25,962 – $29,408

Comparison: 10 similar vehicles

Priced ~17% above the typical market range for similar vehicles (based on current market benchmarks)

Macomb, IL

2023 Dodge Challenger R/T

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

2023 Dodge Challenger R/T

Quincy, IL

OverpricedLimited · 13
$48,42030,162 mi

Market: $31,199 – $47,360

Comparison: 13 similar vehicles

Priced ~2% above the typical market range for similar vehicles (based on current market benchmarks)

Quincy, IL

2007 Honda Civic LX

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

2007 Honda Civic LX

Macomb, IL

Unscored
$6,499109,411 mi

Comparison: 6 similar vehicles

Macomb, IL

2010 Ford Mustang V6

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

2010 Ford Mustang V6

Monmouth, IL

Unscored
$8,149106,261 mi

Comparison: 6 similar vehicles

Monmouth, IL

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