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

Best Priced Vehicles in Monmouth, 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 local comparables.

OAV helps determine if a vehicle is a good deal by comparing it to similar listings and expected sell-through rates.

The best priced vehicles in Monmouth, IL are vehicles currently listed below their typical market range, based on local comparables and days-on-lot velocity. These vehicles are ranked based on how far below their expected market range they fall and how quickly similar vehicles are selling.

Market snapshot · August 1, 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 using price-to-market analysis, local comparable ranges, days-on-lot, comparable count, and demand and velocity signals from similar vehicles — surfacing the ones priced below their typical market range and supported by recent sell-through. OAV is built for the next car-shopping behavior: asking which vehicle to buy, not just browsing inventory.

Vehicles market summary — Monmouth, IL

MarketMonmouth, IL
Body typeVehicles
Listings analyzed75
Average price$27,399
Price range$2,995 – $67,290
Average days on lot231 days
Ranking signalsPrice-to-market, year, mileage, days-on-lot, comparable count
Refresh cadenceDaily

How OAV Identifies Deals

OAV uses RetailVision™ market data to analyze current listings, historical sales patterns, and local market conditions. Vehicles are ranked based on pricing versus comparable listings in the same region and expected sell-through velocity.

  • Millions of local retail comparables across U.S. markets.
  • Vehicles compared on year, make, model, and trim (when available) within the local and regional market.
  • Real price-to-market ranges from regularly refreshed market data.
  • Days on lot incorporated as a sell-through velocity signal.
  • Listings priced below their typical market range surface as undervalued — a great deal or a good deal compared to similar vehicles in the local market.
  • Listings within the typical range surface as fairly priced — in line with what comparable vehicles are listed for locally.
  • Listings priced above the typical range surface as above market — higher than what comparable vehicles are typically listed for in the area.
  • 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 or a good deal in its local market.

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 in the local and regional market — using year, make, model, trim, mileage, and condition signals — 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. Every listing is benchmarked against millions of comparable retail listings in the same metro and broader region — never national averages. A truck priced $2,000 below market in Dallas is compared against Dallas trucks; an EV priced below market in Los Angeles is compared against LA EVs. Local comparables make 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 local 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 75 vehicles across the Monmouth, IL market.

Total Listings

75

Average Price

$27,399

Price Range

$2,995–$67,290

Avg Days on Lot

231

Monmouth Vehicle Market Summary

The Monmouth, IL used and new vehicle market currently has 75 active listings tracked by OAV. The average asking price is $27,399, with prices ranging from $2,995 to $67,290. Vehicles in this market spend an average of 231 days on dealer lots before selling. OAV's Price-to-Market AI analyzes each listing against local and regional comparables to flag Great Deals, Fair Prices, and Overpriced listings.

OAV answers these questions

What are the best priced vehicles in Monmouth, IL?
OAV ranks vehicles in Monmouth, IL by how far below their typical market range they are listed, using local comparable vehicles and days-on-lot velocity. Listings labeled Great Deal sit below the comparable range; Fair Price sits within it.
Which vehicles in Monmouth, IL are priced below market?
Vehicles flagged as undervalued are priced below the typical range for comparable cars in Monmouth, 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 Monmouth, 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 vehicles are undervalued compared with local comparables in Monmouth, IL?
OAV's Price-to-Market analysis compares every listing against similar cars in Monmouth, IL, using year, make, model, trim, mileage, and condition signals. Undervalued listings price below the typical comparable range and are surfaced as Great Deals.

Popular Makes in Monmouth

Top Dealers in Monmouth

Ranked by inventory count. All dealers shown with their business name and market summary.

Featured Listings in Monmouth

No Photo

2022 RAM 1500 Classic

Monmouth, IL

Great Deal
$14,649140,618 mi

Market: $27,762$29,436

Comparison scope: Monmouth, IL area

Competitively priced ~49% below the typical range in the Monmouth market compared to similar vehicles · 3 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2016 Chevrolet Silverado 1500

Monmouth, IL

Great Deal
$20,149138,512 mi

Market: $27,491$27,671

Comparison scope: Monmouth, IL area

Competitively priced ~27% below the typical range in the Monmouth market compared to similar vehicles · 77 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2015 Ford Transit

Monmouth, IL

Great Deal
$11,049143,571 mi

Comparison scope: Monmouth, IL area

Competitively priced ~34% below the typical range in the Monmouth market compared to similar vehicles · 254 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2021 Chevrolet Silverado 1500

Monmouth, IL

Great Deal
$30,995Mileage not verified

Market: $36,681$40,995

Comparison scope: Monmouth, IL area

Competitively priced ~20% below the typical range in the Monmouth market compared to similar vehicles · 441 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2019 Ford F-150

Monmouth, IL

Great Deal
$22,149113,595 mi

Market: $26,378$27,680

Comparison scope: Monmouth, IL area

Competitively priced ~18% below the typical range in the Monmouth market compared to similar vehicles · 30 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2015 GMC Sierra 1500

Monmouth, IL

Great Deal
$13,649186,091 mi

Market: $14,367$25,183

Comparison scope: Monmouth, IL area

Competitively priced ~31% below the typical range in the Monmouth market compared to similar vehicles · 97 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2017 Chrysler Pacifica

Monmouth, IL

Great Deal
$12,649105,161 mi

Comparison scope: Monmouth, IL area

Competitively priced ~5% below the typical range in the Monmouth market compared to similar vehicles · 17 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2015 Chevrolet Silverado 1500

Monmouth, IL

Great Deal
$13,995167,944 mi

Market: $14,368$22,254

Comparison scope: Monmouth, IL area

Competitively priced ~24% below the typical range in the Monmouth market compared to similar vehicles · 389 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2002 Mazda 626

Monmouth, IL

Fair Price
$2,995195,661 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 144 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

1994 Mercury Grand Marquis

Monmouth, IL

Fair Price
$4,649106,620 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2016 Dodge Dart

Monmouth, IL

Fair Price
$6,449153,409 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2009 Chevrolet Impala

Monmouth, IL

Fair Price
$7,64978,895 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2015 Buick Regal

Monmouth, IL

Fair Price
$9,99975,965 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 254 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2007 Jeep Wrangler Unlimited

Monmouth, IL

Fair Price
$10,149132,830 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 92 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2012 Jeep Wrangler

Monmouth, IL

Fair Price
$12,399115,824 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2008 Chevrolet Silverado 2500HD

Monmouth, IL

Fair Price
$12,995131,797 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2019 Ford Escape

Monmouth, IL

Fair Price
$13,64965,614 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2013 RAM 1500 Pickup

Monmouth, IL

Fair Price
$13,99595,359 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 149 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2016 Ford Mustang

Monmouth, IL

Fair Price
$14,149113,540 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 83 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2011 Ford F-250 Super Duty

Monmouth, IL

Fair Price
$14,149103,555 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2012 Subaru Impreza

Monmouth, IL

Fair Price
$14,149131,490 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 655 days on lot (based on current market benchmarks)

Monmouth, IL

No Photo

2015 RAM 2500 Pickup

Monmouth, IL

Fair Price
$15,649150,551 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2015 GMC Yukon XL

Monmouth, IL

Fair Price
$17,649139,189 mi

Comparison scope: Monmouth, IL area

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

Monmouth, IL

No Photo

2018 Lincoln MKX

Monmouth, IL

Fair Price
$17,99589,005 mi

Comparison scope: Monmouth, IL area

Fairly priced — in line with the typical market range in the Monmouth market for similar vehicles · 616 days on lot (based on current market benchmarks)

Monmouth, IL

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