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

Best Priced Cadillac in Illinois

The best priced Cadillac vehicles in Illinois 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 · July 4, 2026

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.

According to RetailVision™ data, OAV is currently analyzing approximately 3,600 Cadillac vehicles across the Illinois market, refreshed daily.

Total Cadillac

3,576

Average Price

$51,617

Price Range

$1,500–$222,408

Avg Days on Lot

84

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.

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™

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.

Cadillac market summary — Illinois

MarketIllinois
Body typeCadillac
Listings analyzed3,576
Average price$51,617
Price range$1,500 – $222,408
Average days on lot84 days
Ranking signalsPrice-to-market, year, mileage, days-on-lot, comparable count
Refresh cadenceDaily

OAV answers these questions

What are the best priced Cadillac vehicles in Illinois?
OAV ranks Cadillac vehicles in Illinois 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 Cadillac vehicles in Illinois are priced below market?
Cadillac vehicles flagged as undervalued are priced below the typical range for comparable Cadillac vehicles in Illinois. The "Top Deals" section on every market page surfaces these first, with the percentage gap from the typical range shown per listing.
Which listings have high sell-through velocity in Illinois?
OAV compares each listing's days-on-lot against the local market average. Listings selling meaningfully faster than the local average are tagged "high demand in this market" — a leading indicator of competitive pricing and strong shopper interest.
Which Cadillac vehicles are undervalued compared with local comparables in Illinois?
OAV's Price-to-Market analysis compares every listing against similar Cadillac vehicles in Illinois, using year, make, model, trim, mileage, and condition signals. Undervalued listings price below the typical comparable range and are surfaced as Great 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 one that's priced low. A Demand-Verified Deal is priced below market AND backed by sell-through evidence — the listing's days-on-lot relative to similar vehicles tells us whether the local market is actually buying at that price band. Combining the price signal with the demand signal separates real deals from listings that are cheap because nobody wants them.
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?
Days-on-lot is the strongest leading indicator of competitive pricing in a local market. A listing that turns over faster than the local average is, in aggregate, priced more attractively to buyers — which usually correlates with being below the typical price-to-market range. Slower-than-average days-on-lot can be the opposite signal: priced for the seller's expectations, not the market's.
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.

Explore more markets

All Cadillac in Illinois

Showing the 24 best-priced Cadillac from 3,576 active listings.

No Photo

2016 Cadillac CTS-V Sedan

Joliet, IL

Unscored
$79,9957,519 mi

Market: $79,995$79,995

Joliet, IL

No Photo

2019 Cadillac CTS-V Sedan

Orland Park, IL

Unscored
$80,43229,073 mi

Market: $75,995$94,995

Orland Park, IL

No Photo

2018 Cadillac CTS-V Sedan

Des Plaines, IL

Unscored
$50,801105,980 mi

Market: $50,801$50,801

Des Plaines, IL

No Photo

2019 Cadillac CTS-V Sedan

Joliet, IL

Unscored
$75,99533,192 mi

Market: $80,432$94,995

Joliet, IL

No Photo

2019 Cadillac CTS-V Sedan

Joliet, IL

Unscored
$94,9957,133 mi

Market: $75,995$82,995

Joliet, IL

No Photo

2019 Cadillac CTS-V Sedan

Joliet, IL

Unscored
$82,99523,499 mi

Market: $75,995$94,995

Joliet, IL

No Photo

2019 Cadillac ATS Coupe

Addison, IL

Unscored
$22,92841,487 mi

Market: $22,928$22,928

Addison, IL

No Photo

2014 Cadillac ATS

Zion, IL

Unscored
$6,999127,886 mi

Market: $6,402$8,490

Zion, IL

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2013 Cadillac ATS

South Holland, IL

Unscored
$7,95075,021 mi

Market: $7,950$7,950

South Holland, IL

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2013 Cadillac ATS

Chicago, IL

Unscored
$14,98514,284 mi

Market: $14,985$14,985

Chicago, IL

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2018 Cadillac ATS Sedan

Des Plaines, IL

Unscored
$15,59578,910 mi

Market: $15,595$15,595

Des Plaines, IL

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2017 Cadillac ATS Sedan

Chicago, IL

Unscored
$15,05674,205 mi

Market: $15,056$15,056

Chicago, IL

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2013 Cadillac ATS

Rockford, IL

Unscored
$7,995106,466 mi

Market: $7,995$7,995

Rockford, IL

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2013 Cadillac ATS

Villa Park, IL

Unscored
$10,49068,136 mi

Market: $10,490$10,490

Villa Park, IL

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2013 Cadillac ATS

South Holland, IL

Unscored
$5,950142,709 mi

Market: $5,950$5,950

South Holland, IL

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2015 Cadillac ATS

Aurora, IL

Unscored
$10,995139,988 mi

Market: $9,925$11,495

Aurora, IL

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2017 Cadillac ATS Sedan

Des Plaines, IL

Unscored
$15,29867,143 mi

Market: $14,999$18,489

Des Plaines, IL

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2017 Cadillac ATS Sedan

Peoria, IL

Unscored
$18,00017,408 mi

Market: $14,393$18,489

Peoria, IL

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2018 Cadillac ATS Sedan

Aurora, IL

Unscored
$21,99517,425 mi

Market: $21,995$21,995

Aurora, IL

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1983 Cadillac DeVille

Chicago, IL

Unscored
$14,99565,430 mi

Market: $14,995$14,995

Chicago, IL

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2018 Cadillac ATS Sedan

Rockford, IL

Unscored
$23,99036,357 mi

Market: $23,990$23,990

Rockford, IL

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2018 Cadillac ATS Sedan

Villa Park, IL

Unscored
$7,999120,105 mi

Market: $20,328$21,995

Villa Park, IL

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2018 Cadillac ATS Sedan

Red Bud, IL

Unscored
$17,99562,000 mi

Market: $17,995$17,995

Red Bud, IL

No Photo

2018 Cadillac ATS Sedan

Addison, IL

Unscored
$20,32848,501 mi

Market: $7,999$21,995

Addison, IL

Other vehicle markets in Illinois